bdl2008

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-06-18 01:24:50

Command Arguments

Time of First Successful Submission: 2026-06-18 01:30:24

Command History

Time of First Successful Submission: 2026-06-18 01:31:40

The Root Path

Time of First Successful Submission: 2026-06-18 02:27:37

Absolute Paths

Time of First Successful Submission: 2026-06-18 02:28:37

Changing position

Time of First Successful Submission: 2026-06-18 02:31:54

Changing to an Absolute Path

Time of First Successful Submission: 2026-06-18 02:33:55

Relative Paths

Time of First Successful Submission: 2026-06-18 02:37:37

Cat

Time of First Successful Submission: 2026-06-18 02:49:25

Ls

Time of First Successful Submission: 2026-06-18 03:03:48

Ls All

Time of First Successful Submission: 2026-06-18 03:56:44

Find

Time of First Successful Submission: 2026-06-18 04:55:09

Piping Echo

Time of First Successful Submission: 2026-06-18 23:44:17

Piping Stdout

Time of First Successful Submission: 2026-06-18 23:46:40

Piping Stdin

Time of First Successful Submission: 2026-06-19 00:04:15

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-06-18 00:18:56

Using the VSCode Workspace

Time of First Successful Submission: 2026-06-18 00:25:49

Using the GUI Desktop

Time of First Successful Submission: 2026-06-18 00:30:30

Pasting into the Desktop

Time of First Successful Submission: 2026-06-18 00:35:57

Restarting Challenges

Time of First Successful Submission: 2026-06-18 01:07:47

Challenge Programs

Time of First Successful Submission: 2026-06-18 01:40:14

The Flag File

Time of First Successful Submission: 2026-06-18 02:04:07

Using Privileged Mode

Time of First Successful Submission: 2026-06-18 02:12:39

Persistent Home Directories - One

Time of First Successful Submission: 2026-06-18 02:16:09

Persistent Home Directories - Two

Time of First Successful Submission: 2026-06-18 02:17:22

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-06-18 01:24:50

Intro to Arguments

Time of First Successful Submission: 2026-06-18 01:30:24

Command History

Time of First Successful Submission: 2026-06-18 01:31:40

The Root

Time of First Successful Submission: 2026-06-18 02:27:37

Program and absolute paths

Time of First Successful Submission: 2026-06-18 02:28:37

Position thy self

Time of First Successful Submission: 2026-06-18 02:31:54

Position elsewhere

Time of First Successful Submission: 2026-06-18 02:33:55

implicit relative paths, from /

Time of First Successful Submission: 2026-06-18 02:37:37

explicit relative paths, from /

Time of First Successful Submission: 2026-06-18 02:39:48

implicit relative path

Time of First Successful Submission: 2026-06-18 02:41:45

home sweet home

Time of First Successful Submission: 2026-06-18 02:45:48

cat: not the pet, but the command!

Time of First Successful Submission: 2026-06-18 02:49:25

catting absolute paths

Time of First Successful Submission: 2026-06-18 02:50:38

more catting practice

Time of First Successful Submission: 2026-06-18 02:55:01

grepping for a needle in a haystack

Time of First Successful Submission: 2026-06-18 02:56:45

comparing files

Time of First Successful Submission: 2026-06-18 03:02:18

listing files

Time of First Successful Submission: 2026-06-18 03:03:48

touching files

Time of First Successful Submission: 2026-06-18 03:13:26

removing files

Time of First Successful Submission: 2026-06-18 03:49:52

moving files

Time of First Successful Submission: 2026-06-18 03:54:17

copying files

Time of First Successful Submission: 2026-06-18 03:55:17

hidden files

Time of First Successful Submission: 2026-06-18 03:56:44

An Epic Filesystem Quest

Time of First Successful Submission: 2026-06-18 05:05:48

making directories

Time of First Successful Submission: 2026-06-18 04:51:19

finding files

Time of First Successful Submission: 2026-06-18 04:55:09

linking files

Time of First Successful Submission: 2026-06-18 04:59:20

Learning From Documentation

Time of First Successful Submission: 2026-06-18 06:29:29

Learning Complex Usage

Time of First Successful Submission: 2026-06-18 06:32:19

Reading Manuals

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Searching Manuals

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Searching For Manuals

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Helpful Programs

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Help for Builtins

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Matching with *

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Matching with ?

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Matching with []

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Matching paths with []

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Multiple globs

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Mixing globs

Time of First Successful Submission: 2026-06-18 07:42:28

Exclusionary globbing

Time of First Successful Submission: 2026-06-18 07:44:33

Tab completion

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Multiple options for tab completion

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Tab completion on commands

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Redirecting output

Time of First Successful Submission: 2026-06-18 23:44:17

Redirecting more output

Time of First Successful Submission: 2026-06-18 23:46:40

Appending output

Time of First Successful Submission: 2026-06-18 23:53:00

Redirecting errors

Time of First Successful Submission: 2026-06-19 00:01:45

Redirecting input

Time of First Successful Submission: 2026-06-19 00:04:15

Grepping stored results

Time of First Successful Submission: 2026-06-19 00:07:28

Grepping live output

Time of First Successful Submission: 2026-06-19 00:10:59

Grepping errors

Time of First Successful Submission: 2026-06-19 00:15:13

Filtering with grep -v

Time of First Successful Submission: 2026-06-19 00:18:54

Filtering with sed

Time of First Successful Submission: 2026-06-19 00:27:50

Duplicating piped data with tee

Time of First Successful Submission: 2026-06-19 01:09:07

Process substitution for input

Time of First Successful Submission: 2026-06-19 01:16:46

Writing to multiple programs

Time of First Successful Submission: 2026-06-19 01:52:42

Split-piping stderr and stdout

Time of First Successful Submission: 2026-06-19 02:07:20

Named pipes

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Printing Variables

Time of First Successful Submission: 2026-06-19 02:24:55

Setting Variables

Time of First Successful Submission: 2026-06-19 02:26:00

Multi-word Variables

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Exporting Variables

Time of First Successful Submission: 2026-06-19 02:32:29

Printing Exported Variables

Time of First Successful Submission: 2026-06-19 02:33:38

Storing Command Output

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Reading Input

Time of First Successful Submission: 2026-06-19 02:37:53

Reading Files

Time of First Successful Submission: 2026-06-19 02:40:17

Translating characters

Time of First Successful Submission: 2026-06-19 03:36:28

Deleting characters

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Deleting newlines

Time of First Successful Submission: 2026-06-19 03:42:22

Extracting the first lines with head

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Extracting specific sections of text

Time of First Successful Submission: 2026-06-19 03:47:17

Sorting data

Time of First Successful Submission: 2026-06-19 03:51:54

Listing Processes

Time of First Successful Submission: 2026-06-19 04:08:47

Killing Processes

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Interrupting Processes

Time of First Successful Submission: 2026-06-19 04:36:07

Killing Misbehaving Processes

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Suspending Processes

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Resuming Processes

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Backgrounding Processes

Time of First Successful Submission: 2026-06-19 04:56:17

Foregrounding Processes

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Starting Backgrounded Processes

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Process Exit Codes

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Becoming root with su

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Other users with su

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Cracking passwords

Time of First Successful Submission: 2026-06-19 05:24:15

Using sudo

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Changing File Ownership

Time of First Successful Submission: 2026-06-19 06:39:33

Groups and Files

Time of First Successful Submission: 2026-06-19 06:41:02

Fun With Groups Names

Time of First Successful Submission: 2026-06-19 06:43:28

Changing Permissions

Time of First Successful Submission: 2026-06-19 06:46:09

Executable Files

Time of First Successful Submission: 2026-06-19 06:47:30

Permission Tweaking Practice

Time of First Successful Submission: 2026-06-19 06:56:39

Permissions Setting Practice

Time of First Successful Submission: 2026-06-19 07:07:25

The SUID Bit

Time of First Successful Submission: 2026-06-19 07:11:53

Chaining with Semicolons

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Building on Success

Time of First Successful Submission: 2026-06-19 07:16:48

Handling Failure

Time of First Successful Submission: 2026-06-19 07:17:47

Your First Shell Script

Time of First Successful Submission: 2026-06-19 07:20:32

Redirecting Script Output

Time of First Successful Submission: 2026-06-19 07:23:40

Executable Shell Scripts

Time of First Successful Submission: 2026-06-19 07:25:27

Understanding Shebangs

Time of First Successful Submission: 2026-06-19 07:31:17

Scripting with Arguments

Time of First Successful Submission: 2026-06-19 07:36:25

Scripting with Conditionals

Time of First Successful Submission: 2026-06-19 07:45:37

Scripting with Default Cases

Time of First Successful Submission: 2026-06-19 07:47:13

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-06-19 07:51:26

Reading Shell Scripts

Time of First Successful Submission: 2026-06-19 07:56:15

Launching Screen

Time of First Successful Submission: 2026-06-19 07:58:43

Detaching and Attaching

Time of First Successful Submission: 2026-06-19 08:01:21

Finding Sessions

Time of First Successful Submission: 2026-06-19 08:04:26

Switching Windows

Time of First Successful Submission: 2026-06-19 08:06:50

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-06-19 08:15:02

Switching Windows (tmux)

Time of First Successful Submission: 2026-06-19 08:21:14

The PATH Variable

Time of First Successful Submission: 2026-06-19 08:24:50

Setting PATH

Time of First Successful Submission: 2026-06-19 08:27:01

Finding Commands

Time of First Successful Submission: 2026-06-19 08:28:26

Adding Commands

Time of First Successful Submission: 2026-06-19 08:40:10

Hijacking Commands

Time of First Successful Submission: 2026-06-19 09:50:40

Bashrc Backdoor

Time of First Successful Submission: 2026-06-19 10:09:34

Sniffing Input

Time of First Successful Submission: 2026-06-19 11:15:35

Overshared Directories

Time of First Successful Submission: 2026-06-19 13:55:59

Tricky Linking

Time of First Successful Submission: 2026-06-19 14:22:32

Sniffing Process Arguments

Time of First Successful Submission: 2026-06-19 14:31:28

Snooping on Configurations

Time of First Successful Submission: 2026-06-19 14:39:28

The Fork Bomb

Time of First Successful Submission: 2026-06-19 15:00:05

Disk-Space Doomsday

Time of First Successful Submission: 2026-06-19 15:06:21

rm -rf /

Time of First Successful Submission: 2026-06-19 15:14:48

Life after rm -rf /

Time of First Successful Submission: 2026-06-19 15:20:33

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-06-19 15:41:10

Computing 101

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Your First Register

Time of First Successful Submission: 2026-06-20 00:26:24

Your First Syscall

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Exit Codes

Time of First Successful Submission: 2026-06-20 00:42:24

Building Executables

Time of First Successful Submission: 2026-06-20 00:52:15

Moving Between Registers

Time of First Successful Submission: 2026-06-20 01:00:03

Loading From Memory

Time of First Successful Submission: 2026-06-20 01:11:27

More Loading Practice

Time of First Successful Submission: 2026-06-20 01:13:49

Dereferencing Pointers

Time of First Successful Submission: 2026-06-20 01:21:32

Dereferencing Yourself

Time of First Successful Submission: 2026-06-20 01:24:36

Dereferencing with Offsets

Time of First Successful Submission: 2026-06-20 01:29:11

Stored Addresses

Time of First Successful Submission: 2026-06-20 01:38:17

Double Dereference

Time of First Successful Submission: 2026-06-20 01:43:00

The Stack

Time of First Successful Submission: 2026-06-20 01:55:34

Stack Offsets

Time of First Successful Submission: 2026-06-20 01:59:45

Program Arguments on the Stack

Time of First Successful Submission: 2026-06-20 02:04:51

Popping From the Stack

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Negative Numbers

Time of First Successful Submission: 2026-06-20 02:37:39

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-06-20 06:51:33

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-06-20 06:57:45

Encoding Negatives

Time of First Successful Submission: 2026-06-20 07:03:38

Binary and Hex Encoding

Time of First Successful Submission: 2026-06-20 07:05:58

More Hex

Time of First Successful Submission: 2026-06-20 07:09:09

Decoding Hex

Time of First Successful Submission: 2026-06-20 07:11:07

Mixed Conversions

Time of First Successful Submission: 2026-06-20 07:27:17

Disassembling Programs

Time of First Successful Submission: 2026-06-20 07:37:32

Tracing Syscalls

Time of First Successful Submission: 2026-06-20 07:43:49

Starting GDB

Time of First Successful Submission: 2026-06-20 07:47:17

Quitting GDB

Time of First Successful Submission: 2026-06-20 07:48:36

Starting Programs in GDB

Time of First Successful Submission: 2026-06-20 07:53:02

Disassembling in GDB

Time of First Successful Submission: 2026-06-20 07:55:02

Stepping Through Instructions

Time of First Successful Submission: 2026-06-20 07:58:11

Reading Register Values

Time of First Successful Submission: 2026-06-20 08:00:04

Popping Stack Values

Time of First Successful Submission: 2026-06-20 08:03:54

Examining Memory

Time of First Successful Submission: 2026-06-20 08:07:54

Examining Stack Pointers

Time of First Successful Submission: 2026-06-20 08:14:10

Cooperative Debugging

Time of First Successful Submission: 2026-06-20 08:31:54

Running with Arguments

Time of First Successful Submission: 2026-06-20 08:39:10

Redirecting Input in GDB

Time of First Successful Submission: 2026-06-29 05:47:10

Writing Output

Time of First Successful Submission: 2026-06-20 09:05:55

Chaining Syscalls

Time of First Successful Submission: 2026-06-20 09:10:57

Writing Strings

Time of First Successful Submission: 2026-06-20 09:13:42

Reading Data

Time of First Successful Submission: 2026-06-20 09:44:10

Reading Exactly

Time of First Successful Submission: 2026-06-20 09:49:31

Opening Files

Time of First Successful Submission: 2026-06-20 10:15:37

Hardcoding the Filename

Time of First Successful Submission: 2026-06-20 10:30:01

RIP-Relative Strings

Time of First Successful Submission: 2026-06-20 11:08:08

Comparing Values

Time of First Successful Submission: 2026-06-21 00:52:49

Comparing Characters

Time of First Successful Submission: 2026-06-21 01:43:58

Conditional Control Flow

Time of First Successful Submission: 2026-06-21 01:53:51

Comparing Strings

Time of First Successful Submission: 2026-06-21 02:00:41

Reverse the Password

Time of First Successful Submission: 2026-06-21 02:09:24

Conditionals Without Conditionals

Time of First Successful Submission: 2026-06-21 03:15:47

Looping

Time of First Successful Submission: 2026-06-21 03:30:28

Writing From a Shared Library

Time of First Successful Submission: 2026-06-21 04:04:08

Returning a Value

Time of First Successful Submission: 2026-06-21 04:13:16

Calling Through a Pointer

Time of First Successful Submission: 2026-06-21 04:45:33

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-06-21 04:52:28

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-06-21 07:10:22

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-06-21 06:52:57

Sign Extension

Time of First Successful Submission: 2026-06-21 09:12:04

Little-Endian Bytes

Time of First Successful Submission: 2026-06-21 23:44:49

Qword by Qword

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Dword by Dword

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Word by Word

Time of First Successful Submission: 2026-06-22 00:18:01

Byte by Byte

Time of First Successful Submission: 2026-06-22 00:22:37

Cracking a Struct

Time of First Successful Submission: 2026-06-22 00:31:40

Scrambled Struct

Time of First Successful Submission: 2026-06-22 00:58:41

Reverse the Calculation

Time of First Successful Submission: 2026-06-22 01:07:13

Reverse the Reverse

Time of First Successful Submission: 2026-06-22 01:14:54

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-06-22 01:31:24

Even or Odd

Time of First Successful Submission: 2026-06-22 01:43:10

Masking Bits

Time of First Successful Submission: 2026-06-22 01:53:05

Lowercase a String

Time of First Successful Submission: 2026-06-22 01:56:24

Uppercase a String

Time of First Successful Submission: 2026-06-22 02:10:38

Swap Case

Time of First Successful Submission: 2026-06-22 02:18:56

Shifting Left

Time of First Successful Submission: 2026-06-22 02:25:09

Shifting Right

Time of First Successful Submission: 2026-06-22 02:29:29

Loops on Data

Time of First Successful Submission: 2026-06-22 02:46:02

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-06-22 08:16:55

Loading Stale Stack Data

Time of First Successful Submission: 2026-06-22 08:25:44

Stealing Stale Stack Data

Time of First Successful Submission: 2026-06-22 08:36:34

Reserving Your Own Frame

Time of First Successful Submission: 2026-06-22 08:58:39

Using Your Own Frame

Time of First Successful Submission: 2026-06-22 09:48:06

Environment Variables on the Stack

Time of First Successful Submission: 2026-06-22 10:36:48

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-06-22 10:48:12

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-06-22 11:02:17

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-06-22 11:08:12

A Single Digit

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Two Digits

Time of First Successful Submission: 2026-06-23 01:06:40

String to Integer

Time of First Successful Submission: 2026-06-23 02:15:53

Negative Numbers

Time of First Successful Submission: 2026-06-23 03:37:53

Where the Number Ends

Time of First Successful Submission: 2026-06-23 07:26:28

A Whole Program

Time of First Successful Submission: 2026-06-23 08:01:31

A Single Digit, Back to Text

Time of First Successful Submission: 2026-06-23 23:58:20

Divide and Remainder

Time of First Successful Submission: 2026-06-24 00:32:37

Drop the Leading Zero

Time of First Successful Submission: 2026-06-24 01:39:31

Integer to String

Time of First Successful Submission: 2026-06-24 02:46:46

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-06-24 07:11:33

Sum Them All

Time of First Successful Submission: 2026-06-24 14:10:52

Addition

Time of First Successful Submission: 2026-06-25 01:24:28

Subtraction

Time of First Successful Submission: 2026-06-25 04:05:46

Multiplication

Time of First Successful Submission: 2026-06-25 07:21:13

Bitwise Operators

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Unary Operators

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Literal Output

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Newline Escapes

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Escaped Syntax

Time of First Successful Submission: 2026-06-26 00:42:55

Decimal Markers

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Multiple Decimal Markers

Time of First Successful Submission: 2026-06-26 02:08:10

String Markers

Time of First Successful Submission: 2026-06-26 02:21:58

Hex Byte Escapes

Time of First Successful Submission: 2026-06-26 04:44:48

Debugging Programs

Time of First Successful Submission: 2026-06-26 06:11:44

Inspecting Registers

Time of First Successful Submission: 2026-06-26 06:19:17

Examining Memory

Time of First Successful Submission: 2026-06-26 07:01:08

Setting Breakpoints

Time of First Successful Submission: 2026-06-27 01:45:56

GDB Scripting

Time of First Successful Submission: 2026-06-27 02:05:32

Modifying Data

Time of First Successful Submission: 2026-06-27 02:45:38

Modifying Execution

Time of First Successful Submission: 2026-06-27 03:42:19

Broken Functions

Time of First Successful Submission: 2026-06-27 05:22:55

Exit

Time of First Successful Submission: 2026-06-27 06:07:55

Socket

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Bind

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Listen

Time of First Successful Submission: 2026-06-28 04:33:30

Accept

Time of First Successful Submission: 2026-06-28 04:41:19

Static Response

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Dynamic Response

Time of First Successful Submission: 2026-06-28 12:01:34

Iterative GET Server

Time of First Successful Submission: 2026-06-28 12:10:42

Concurrent GET Server

Time of First Successful Submission: 2026-06-28 14:36:39

Concurrent POST Server

Time of First Successful Submission: 2026-06-29 02:29:32

Web Server

Time of First Successful Submission: 2026-06-29 05:42:12

Playing With Programs

96 / 116 1420 / 24354

What's the password?

Time of First Successful Submission: 2026-06-29 06:28:23

... and again!

Time of First Successful Submission: 2026-06-29 06:29:54

Newline Troubles

Time of First Successful Submission: 2026-06-29 06:33:47

Reasoning about files

Time of First Successful Submission: 2026-06-29 07:14:22

Specifying Filenames

Time of First Successful Submission: 2026-06-29 07:19:16

Binary and Hex Encoding

Time of First Successful Submission: 2026-06-29 07:22:42

More Hex

Time of First Successful Submission: 2026-06-29 07:31:10

Decoding Hex

Time of First Successful Submission: 2026-06-29 07:54:15

Decoding Practice

Time of First Successful Submission: 2026-06-29 07:58:22

Encoding Practice

Time of First Successful Submission: 2026-06-29 08:28:47

Hex-encoding ASCII

Time of First Successful Submission: 2026-06-30 00:17:43

Nested Encoding

Time of First Successful Submission: 2026-06-30 00:38:00

Hex-encoding UTF-8

Time of First Successful Submission: 2026-06-30 00:59:04

UTF Mixups

Time of First Successful Submission: 2026-06-30 01:10:36

Modifying Encoded Data

Time of First Successful Submission: 2026-06-30 01:21:15

Decoding Base64

Time of First Successful Submission: 2026-06-30 02:05:05

Encoding Base64

Time of First Successful Submission: 2026-06-30 02:13:41

Dealing with Obfuscation

Time of First Successful Submission: 2026-06-30 02:27:02

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-06-30 02:42:51

Your First HTTP Request

Time of First Successful Submission: 2026-06-30 02:54:27

Reading Flask

Time of First Successful Submission: 2026-06-30 02:58:36

Commented Data

Time of First Successful Submission: 2026-06-30 03:02:34

HTTP Metadata

Time of First Successful Submission: 2026-06-30 03:06:46

HTTP (netcat)

Time of First Successful Submission: 2026-06-30 03:29:35

HTTP Paths (netcat)

Time of First Successful Submission: 2026-06-30 04:48:45

HTTP (curl)

Time of First Successful Submission: 2026-06-30 04:53:20

HTTP (python)

Time of First Successful Submission: 2026-06-30 06:41:39

HTTP Host Header (python)

Time of First Successful Submission: 2026-06-30 07:21:15

HTTP Host Header (curl)

Time of First Successful Submission: 2026-06-30 07:35:44

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-06-30 09:08:47

URL Encoding (netcat)

Time of First Successful Submission: 2026-06-30 09:55:47

HTTP GET Parameters

Time of First Successful Submission: 2026-06-30 10:04:15

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-06-30 10:46:09

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-06-30 10:50:29

HTTP Forms

Time of First Successful Submission: 2026-06-30 23:58:05

HTTP Forms (curl)

Time of First Successful Submission: 2026-07-01 00:48:37

HTTP Forms (netcat)

Time of First Successful Submission: 2026-07-01 01:15:30

HTTP Forms (python)

Time of First Successful Submission: 2026-07-01 01:22:14

HTTP Forms Without Forms

Time of First Successful Submission: 2026-07-01 10:43:45

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-07-01 10:50:51

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-07-01 11:22:28

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-07-01 12:18:34

HTTP Redirects (curl)

Time of First Successful Submission: 2026-07-01 12:27:06

HTTP Redirects (python)

Time of First Successful Submission: 2026-07-02 00:37:33

HTTP Cookies (curl)

Time of First Successful Submission: 2026-07-02 00:43:19

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-07-02 00:50:30

HTTP Cookies (python)

Time of First Successful Submission: 2026-07-02 01:08:37

Server State (python)

Time of First Successful Submission: 2026-07-02 01:02:04

Listening Web

Time of First Successful Submission: 2026-07-02 01:14:34

Speaking Redirects

Time of First Successful Submission: 2026-07-02 01:29:17

JavaScript Redirects

Time of First Successful Submission: 2026-07-02 07:01:51

Including JavaScript

Time of First Successful Submission: 2026-07-02 08:53:20

HTTP (javascript)

Time of First Successful Submission: 2026-07-02 09:12:59

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-07-02 09:47:13

HTTP Forms (javascript)

Time of First Successful Submission: 2026-07-02 10:48:12

cat

Time of First Successful Submission: 2026-07-02 23:53:20

more

Time of First Successful Submission: 2026-07-02 23:54:53

less

Time of First Successful Submission: 2026-07-02 23:55:30

tail

Time of First Successful Submission: 2026-07-02 23:56:00

head

Time of First Successful Submission: 2026-07-02 23:56:30

sort

Time of First Successful Submission: 2026-07-02 23:59:16

vim

Time of First Successful Submission: 2026-07-03 00:00:36

emacs

Time of First Successful Submission: 2026-07-03 00:01:13

nano

Time of First Successful Submission: 2026-07-03 00:01:50

rev

Time of First Successful Submission: 2026-07-03 00:04:40

od

Time of First Successful Submission: 2026-07-03 00:31:16

hd

Time of First Successful Submission: 2026-07-03 01:03:16

xxd

Time of First Successful Submission: 2026-07-03 01:26:28

base32

Time of First Successful Submission: 2026-07-03 10:39:37

base64

Time of First Successful Submission: 2026-07-03 10:40:39

split

Time of First Successful Submission: 2026-07-03 10:44:55

gzip

Time of First Successful Submission: 2026-07-03 11:03:31

bzip2

Time of First Successful Submission: 2026-07-03 11:05:32

zip

Time of First Successful Submission: 2026-07-03 11:10:54

tar

Time of First Successful Submission: 2026-07-03 11:52:18

ar

Time of First Successful Submission: 2026-07-03 12:01:39

cpio

Time of First Successful Submission: 2026-07-03 12:20:32

genisoimage

Time of First Successful Submission: 2026-07-03 13:17:51

env

Time of First Successful Submission: 2026-07-03 13:24:42

find

Time of First Successful Submission: 2026-07-03 14:14:17

make

Time of First Successful Submission: 2026-07-04 00:16:21

nice

Time of First Successful Submission: 2026-07-04 00:20:37

timeout

Time of First Successful Submission: 2026-07-04 00:22:22

stdbuf

Time of First Successful Submission: 2026-07-04 00:24:10

setarch

Time of First Successful Submission: 2026-07-04 00:30:20

watch

Time of First Successful Submission: 2026-07-04 00:32:51

socat

Time of First Successful Submission: 2026-07-04 00:46:42

whiptail

Time of First Successful Submission: 2026-07-04 01:29:07

awk

Time of First Successful Submission: 2026-07-04 02:21:59

sed

Time of First Successful Submission: 2026-07-04 06:34:33

ed

Time of First Successful Submission: 2026-07-04 06:40:18

chown

Time of First Successful Submission: 2026-07-04 06:42:08

chmod

Time of First Successful Submission: 2026-07-04 06:43:04

cp

Time of First Successful Submission: 2026-07-04 06:54:19

mv

Time of First Successful Submission: 2026-07-06 03:46:22

perl

Time of First Successful Submission: 2026-07-06 01:54:04

python

Time of First Successful Submission: 2026-07-06 02:04:43

ruby

Time of First Successful Submission: 2026-07-06 03:50:23

bash

Time of First Successful Submission: 2026-07-06 03:55:05

date

Time of First Successful Submission: 2026-07-06 03:59:17

dmesg

Time of First Successful Submission: 2026-07-06 04:00:49

wc

Time of First Successful Submission: 2026-07-06 04:02:19

gcc

Time of First Successful Submission: 2026-07-06 04:05:18

as

Time of First Successful Submission: 2026-07-06 04:06:35

wget

Time of First Successful Submission: 2026-07-06 04:18:07

ssh-keygen

Time of First Successful Submission: 2026-07-06 05:23:16

SQL Queries

Time of First Successful Submission: 2026-07-06 07:12:31

Filtering SQL

Time of First Successful Submission: 2026-07-06 07:18:47

Choosing Columns

Time of First Successful Submission: 2026-07-06 07:21:32

Exclusionary Filtering

Time of First Successful Submission: 2026-07-06 07:24:06

Filtering Strings

Time of First Successful Submission: 2026-07-06 07:27:54

Filtering on Expressions

Time of First Successful Submission: 2026-07-06 07:44:02

SELECTing Expressions

Time of First Successful Submission: 2026-07-06 08:04:56

Composite Conditions

Time of First Successful Submission: 2026-07-06 08:09:19

Reaching Your LIMITs

Time of First Successful Submission: 2026-07-06 08:12:36

Querying Metadata

Time of First Successful Submission: 2026-07-06 08:20:03

DSU Cyber Camps

12 / 104 3302 / 50226

Using the Terminal

Time of First Successful Submission: 2026-06-18 00:18:56

Using the VSCode Workspace

Time of First Successful Submission: 2026-06-18 00:25:49

Using the GUI Desktop

Time of First Successful Submission: 2026-06-18 00:30:30

Pasting into the Desktop

Time of First Successful Submission: 2026-06-18 00:35:57

Connecting over SSH

Time of First Successful Submission: 2026-06-18 00:51:34

Restarting Challenges

Time of First Successful Submission: 2026-06-18 01:07:47

Getting Help

Time of First Successful Submission: 2026-06-18 01:15:58

Challenge Programs

Time of First Successful Submission: 2026-06-18 01:40:14

The Flag File

Time of First Successful Submission: 2026-06-18 02:04:07

Using Privileged Mode

Time of First Successful Submission: 2026-06-18 02:12:39

Persistent Home Directories - One

Time of First Successful Submission: 2026-06-18 02:16:09

Persistent Home Directories - Two

Time of First Successful Submission: 2026-06-18 02:17:22

GCA CTF

12 / 104 3302 / 50226

Using the Terminal

Time of First Successful Submission: 2026-06-18 00:18:56

Using the VSCode Workspace

Time of First Successful Submission: 2026-06-18 00:25:49

Using the GUI Desktop

Time of First Successful Submission: 2026-06-18 00:30:30

Pasting into the Desktop

Time of First Successful Submission: 2026-06-18 00:35:57

Connecting over SSH

Time of First Successful Submission: 2026-06-18 00:51:34

Restarting Challenges

Time of First Successful Submission: 2026-06-18 01:07:47

Getting Help

Time of First Successful Submission: 2026-06-18 01:15:58

Challenge Programs

Time of First Successful Submission: 2026-06-18 01:40:14

The Flag File

Time of First Successful Submission: 2026-06-18 02:04:07

Using Privileged Mode

Time of First Successful Submission: 2026-06-18 02:12:39

Persistent Home Directories - One

Time of First Successful Submission: 2026-06-18 02:16:09

Persistent Home Directories - Two

Time of First Successful Submission: 2026-06-18 02:17:22