plimplim

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-04-22 05:56:54

Command Arguments

Time of First Successful Submission: 2026-04-22 05:58:30

Command History

Time of First Successful Submission: 2026-04-22 05:59:18

The Root Path

Time of First Successful Submission: 2026-04-22 06:36:57

Absolute Paths

Time of First Successful Submission: 2026-04-22 06:37:39

Changing position

Time of First Successful Submission: 2026-04-22 06:40:22

Changing to an Absolute Path

Time of First Successful Submission: 2026-04-22 06:41:29

Relative Paths

Time of First Successful Submission: 2026-04-22 06:42:59

Cat

Time of First Successful Submission: 2026-04-24 03:16:27

Ls

Time of First Successful Submission: 2026-04-24 03:23:51

Ls All

Time of First Successful Submission: 2026-04-24 03:30:35

Find

Time of First Successful Submission: 2026-04-24 03:46:20

Piping Echo

Time of First Successful Submission: 2026-04-25 02:58:47

Piping Stdout

Time of First Successful Submission: 2026-04-25 03:01:12

Piping Stdin

Time of First Successful Submission: 2026-04-25 03:15:39

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-04-22 05:28:14

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-22 05:31:09

Using the GUI Desktop

Time of First Successful Submission: 2026-04-22 05:40:14

Pasting into the Desktop

Time of First Successful Submission: 2026-04-22 05:42:04

Restarting Challenges

Time of First Successful Submission: 2026-04-22 05:52:01

Challenge Programs

Time of First Successful Submission: 2026-04-22 06:02:15

The Flag File

Time of First Successful Submission: 2026-04-22 06:04:13

Using Privileged Mode

Time of First Successful Submission: 2026-04-22 06:14:27

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-22 06:18:02

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-22 06:18:50

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-04-22 05:56:54

Intro to Arguments

Time of First Successful Submission: 2026-04-22 05:58:30

Command History

Time of First Successful Submission: 2026-04-22 05:59:18

The Root

Time of First Successful Submission: 2026-04-22 06:36:57

Program and absolute paths

Time of First Successful Submission: 2026-04-22 06:37:39

Position thy self

Time of First Successful Submission: 2026-04-22 06:40:22

Position elsewhere

Time of First Successful Submission: 2026-04-22 06:41:29

implicit relative paths, from /

Time of First Successful Submission: 2026-04-22 06:42:59

explicit relative paths, from /

Time of First Successful Submission: 2026-04-22 06:44:11

implicit relative path

Time of First Successful Submission: 2026-04-22 06:45:06

home sweet home

Time of First Successful Submission: 2026-04-22 06:50:45

cat: not the pet, but the command!

Time of First Successful Submission: 2026-04-24 03:16:27

catting absolute paths

Time of First Successful Submission: 2026-04-24 03:17:23

more catting practice

Time of First Successful Submission: 2026-04-24 03:18:22

grepping for a needle in a haystack

Time of First Successful Submission: 2026-04-24 03:20:10

comparing files

Time of First Successful Submission: 2026-04-24 03:22:59

listing files

Time of First Successful Submission: 2026-04-24 03:23:51

touching files

Time of First Successful Submission: 2026-04-24 03:26:16

removing files

Time of First Successful Submission: 2026-04-24 03:26:53

moving files

Time of First Successful Submission: 2026-04-24 03:28:44

copying files

Time of First Successful Submission: 2026-04-24 03:29:46

hidden files

Time of First Successful Submission: 2026-04-24 03:30:35

An Epic Filesystem Quest

Time of First Successful Submission: 2026-04-24 03:37:36

making directories

Time of First Successful Submission: 2026-04-24 03:38:32

finding files

Time of First Successful Submission: 2026-04-24 03:46:20

linking files

Time of First Successful Submission: 2026-04-24 03:51:13

Learning From Documentation

Time of First Successful Submission: 2026-04-25 01:48:42

Learning Complex Usage

Time of First Successful Submission: 2026-04-25 01:50:26

Reading Manuals

Time of First Successful Submission: 2026-04-25 01:54:04

Searching Manuals

Time of First Successful Submission: 2026-04-25 01:55:22

Searching For Manuals

Time of First Successful Submission: 2026-04-25 02:10:43

Helpful Programs

Time of First Successful Submission: 2026-04-25 02:13:14

Help for Builtins

Time of First Successful Submission: 2026-04-25 02:14:51

Matching with *

Time of First Successful Submission: 2026-04-25 02:23:22

Matching with ?

Time of First Successful Submission: 2026-04-25 02:26:07

Matching with []

Time of First Successful Submission: 2026-04-25 02:28:08

Matching paths with []

Time of First Successful Submission: 2026-04-25 02:30:45

Multiple globs

Time of First Successful Submission: 2026-04-25 02:33:14

Mixing globs

Time of First Successful Submission: 2026-04-25 02:50:05

Exclusionary globbing

Time of First Successful Submission: 2026-04-25 02:51:58

Tab completion

Time of First Successful Submission: 2026-04-25 02:54:05

Multiple options for tab completion

Time of First Successful Submission: 2026-04-25 02:55:39

Tab completion on commands

Time of First Successful Submission: 2026-04-25 02:56:27

Redirecting output

Time of First Successful Submission: 2026-04-25 02:58:47

Redirecting more output

Time of First Successful Submission: 2026-04-25 03:01:12

Appending output

Time of First Successful Submission: 2026-04-25 03:03:06

Redirecting errors

Time of First Successful Submission: 2026-04-25 03:13:40

Redirecting input

Time of First Successful Submission: 2026-04-25 03:15:39

Grepping stored results

Time of First Successful Submission: 2026-04-25 03:18:08

Grepping live output

Time of First Successful Submission: 2026-04-25 03:20:00

Grepping errors

Time of First Successful Submission: 2026-04-25 03:21:59

Filtering with grep -v

Time of First Successful Submission: 2026-04-25 03:24:25

Filtering with sed

Time of First Successful Submission: 2026-04-25 03:27:20

Duplicating piped data with tee

Time of First Successful Submission: 2026-04-25 03:33:34

Process substitution for input

Time of First Successful Submission: 2026-04-25 03:37:09

Writing to multiple programs

Time of First Successful Submission: 2026-04-25 03:46:27

Split-piping stderr and stdout

Time of First Successful Submission: 2026-04-25 03:57:01

Named pipes

Time of First Successful Submission: 2026-04-25 04:02:31

Printing Variables

Time of First Successful Submission: 2026-04-25 04:47:42

Setting Variables

Time of First Successful Submission: 2026-04-25 04:49:51

Multi-word Variables

Time of First Successful Submission: 2026-04-25 04:50:43

Exporting Variables

Time of First Successful Submission: 2026-04-25 04:53:27

Printing Exported Variables

Time of First Successful Submission: 2026-04-25 04:54:10

Storing Command Output

Time of First Successful Submission: 2026-04-25 04:55:56

Reading Input

Time of First Successful Submission: 2026-04-25 04:58:03

Reading Files

Time of First Successful Submission: 2026-04-25 04:59:52

Translating characters

Time of First Successful Submission: 2026-04-25 05:04:57

Deleting characters

Time of First Successful Submission: 2026-04-25 05:05:41

Deleting newlines

Time of First Successful Submission: 2026-04-25 05:07:40

Extracting the first lines with head

Time of First Successful Submission: 2026-04-25 05:08:47

Extracting specific sections of text

Time of First Successful Submission: 2026-04-25 05:11:04

Sorting data

Time of First Successful Submission: 2026-04-25 05:12:55

Listing Processes

Time of First Successful Submission: 2026-04-25 06:54:19

Killing Processes

Time of First Successful Submission: 2026-04-25 06:57:26

Interrupting Processes

Time of First Successful Submission: 2026-04-25 06:58:01

Killing Misbehaving Processes

Time of First Successful Submission: 2026-04-25 07:04:48

Suspending Processes

Time of First Successful Submission: 2026-04-25 07:13:02

Resuming Processes

Time of First Successful Submission: 2026-04-25 07:14:03

Backgrounding Processes

Time of First Successful Submission: 2026-04-25 07:16:52

Foregrounding Processes

Time of First Successful Submission: 2026-04-25 07:18:00

Starting Backgrounded Processes

Time of First Successful Submission: 2026-04-25 07:19:02

Process Exit Codes

Time of First Successful Submission: 2026-04-25 07:20:43

Becoming root with su

Time of First Successful Submission: 2026-04-25 07:33:28

Other users with su

Time of First Successful Submission: 2026-04-25 07:35:08

Cracking passwords

Time of First Successful Submission: 2026-04-25 07:39:37

Using sudo

Time of First Successful Submission: 2026-04-25 07:42:36

Changing File Ownership

Time of First Successful Submission: 2026-04-25 19:46:31

Groups and Files

Time of First Successful Submission: 2026-04-25 19:47:53

Fun With Groups Names

Time of First Successful Submission: 2026-04-25 19:50:16

Changing Permissions

Time of First Successful Submission: 2026-04-25 19:52:50

Executable Files

Time of First Successful Submission: 2026-04-25 19:54:33

Permission Tweaking Practice

Time of First Successful Submission: 2026-04-25 19:59:18

Permissions Setting Practice

Time of First Successful Submission: 2026-04-25 20:09:48

The SUID Bit

Time of First Successful Submission: 2026-04-25 20:15:49

Chaining with Semicolons

Time of First Successful Submission: 2026-04-25 20:17:36

Building on Success

Time of First Successful Submission: 2026-04-25 20:19:09

Handling Failure

Time of First Successful Submission: 2026-04-25 20:20:09

Your First Shell Script

Time of First Successful Submission: 2026-04-25 20:23:22

Redirecting Script Output

Time of First Successful Submission: 2026-04-25 20:30:06

Executable Shell Scripts

Time of First Successful Submission: 2026-04-25 20:30:59

Understanding Shebangs

Time of First Successful Submission: 2026-04-25 20:34:35

Scripting with Arguments

Time of First Successful Submission: 2026-04-25 20:36:08

Scripting with Conditionals

Time of First Successful Submission: 2026-04-25 20:39:05

Scripting with Default Cases

Time of First Successful Submission: 2026-04-25 20:41:11

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-04-25 20:44:19

Reading Shell Scripts

Time of First Successful Submission: 2026-04-25 20:46:40

Launching Screen

Time of First Successful Submission: 2026-04-25 21:35:45

Detaching and Attaching

Time of First Successful Submission: 2026-04-25 21:37:47

Finding Sessions

Time of First Successful Submission: 2026-04-25 21:40:58

Switching Windows

Time of First Successful Submission: 2026-04-25 21:57:16

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-04-25 22:04:31

Switching Windows (tmux)

Time of First Successful Submission: 2026-04-25 22:17:51

The PATH Variable

Time of First Successful Submission: 2026-04-26 02:15:08

Setting PATH

Time of First Successful Submission: 2026-04-26 02:16:43

Finding Commands

Time of First Successful Submission: 2026-04-26 02:18:03

Adding Commands

Time of First Successful Submission: 2026-04-26 02:24:52

Hijacking Commands

Time of First Successful Submission: 2026-04-26 02:28:42

Bashrc Backdoor

Time of First Successful Submission: 2026-04-26 02:32:15

Sniffing Input

Time of First Successful Submission: 2026-04-26 07:06:12

Overshared Directories

Time of First Successful Submission: 2026-04-26 07:18:57

Tricky Linking

Time of First Successful Submission: 2026-04-26 07:38:21

Sniffing Process Arguments

Time of First Successful Submission: 2026-04-26 07:43:50

Snooping on Configurations

Time of First Successful Submission: 2026-04-26 07:45:41

The Fork Bomb

Time of First Successful Submission: 2026-04-27 00:19:16

Disk-Space Doomsday

Time of First Successful Submission: 2026-04-27 00:24:09

rm -rf /

Time of First Successful Submission: 2026-04-27 00:27:56

Life after rm -rf /

Time of First Successful Submission: 2026-04-27 00:42:35

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-04-27 00:44:55

Computing 101

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Your First Register

Time of First Successful Submission: 2026-04-28 03:07:24

Your First Syscall

Time of First Successful Submission: 2026-04-28 03:11:56

Exit Codes

Time of First Successful Submission: 2026-04-28 03:15:27

Building Executables

Time of First Successful Submission: 2026-04-28 03:25:35

Moving Between Registers

Time of First Successful Submission: 2026-04-28 03:28:50

Loading From Memory

Time of First Successful Submission: 2026-04-28 03:51:57

More Loading Practice

Time of First Successful Submission: 2026-04-28 03:55:36

Dereferencing Pointers

Time of First Successful Submission: 2026-04-28 04:02:24

Dereferencing Yourself

Time of First Successful Submission: 2026-04-28 04:05:41

Dereferencing with Offsets

Time of First Successful Submission: 2026-04-28 04:13:27

Stored Addresses

Time of First Successful Submission: 2026-04-28 04:45:31

Double Dereference

Time of First Successful Submission: 2026-04-28 04:50:59

The Stack

Time of First Successful Submission: 2026-04-28 22:34:15

Stack Offsets

Time of First Successful Submission: 2026-04-28 22:37:47

Program Arguments on the Stack

Time of First Successful Submission: 2026-04-28 22:43:08

Popping From the Stack

Time of First Successful Submission: 2026-04-28 22:48:35

Disassembling Programs

Time of First Successful Submission: 2026-04-28 22:57:42

Tracing Syscalls

Time of First Successful Submission: 2026-04-28 23:03:13

Starting GDB

Time of First Successful Submission: 2026-04-28 23:05:25

Quitting GDB

Time of First Successful Submission: 2026-04-28 23:06:12

Starting Programs in GDB

Time of First Successful Submission: 2026-04-28 23:09:38

Disassembling in GDB

Time of First Successful Submission: 2026-04-28 23:10:57

Stepping Through Instructions

Time of First Successful Submission: 2026-04-28 23:13:20

Reading Register Values

Time of First Successful Submission: 2026-04-28 23:15:25

Popping Stack Values

Time of First Successful Submission: 2026-04-28 23:18:36

Examining Memory

Time of First Successful Submission: 2026-04-28 23:21:11

Examining Stack Pointers

Time of First Successful Submission: 2026-04-28 23:25:56

Cooperative Debugging

Time of First Successful Submission: 2026-04-28 23:31:17

Writing Output

Time of First Successful Submission: 2026-04-29 00:28:33

Chaining Syscalls

Time of First Successful Submission: 2026-04-29 00:31:41

Writing Strings

Time of First Successful Submission: 2026-04-29 00:33:17

Reading Data

Time of First Successful Submission: 2026-04-29 01:07:28

Opening Files

Time of First Successful Submission: 2026-04-29 01:43:40

Hardcoding the Filename

Time of First Successful Submission: 2026-04-29 02:01:31

Comparing Values

Time of First Successful Submission: 2026-04-29 07:14:10

Comparing Characters

Time of First Successful Submission: 2026-04-29 07:27:40

Conditional Control Flow

Time of First Successful Submission: 2026-04-29 07:44:58

Comparing Strings

Time of First Successful Submission: 2026-04-29 18:17:41

Reverse the Password

Time of First Successful Submission: 2026-04-29 18:29:41

Conditionals Without Conditionals

Time of First Successful Submission: 2026-04-29 22:11:30

Looping

Time of First Successful Submission: 2026-04-29 23:20:22

Reverse the Calculation

Time of First Successful Submission: 2026-04-29 23:35:02

Reverse the Reverse

Time of First Successful Submission: 2026-04-29 23:37:29

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-04-29 23:52:26

Loops on Data

Time of First Successful Submission: 2026-04-29 23:55:57

set-register

Time of First Successful Submission: 2026-04-30 03:37:06

set-multiple-registers

Time of First Successful Submission: 2026-04-30 03:38:41

add-to-register

Time of First Successful Submission: 2026-04-30 03:41:55

linear-equation-registers

Time of First Successful Submission: 2026-04-30 03:46:39

integer-division

Time of First Successful Submission: 2026-04-30 04:02:08

modulo-operation

Time of First Successful Submission: 2026-04-30 04:26:04

set-upper-byte

Time of First Successful Submission: 2026-04-30 04:29:22

efficient-modulo

Time of First Successful Submission: 2026-04-30 06:30:23

byte-extraction

Time of First Successful Submission: 2026-04-30 19:46:00

bitwise-and

Time of First Successful Submission: 2026-04-30 19:55:06

check-even

Time of First Successful Submission: 2026-04-30 20:19:49

memory-read

Time of First Successful Submission: 2026-04-30 20:27:25

memory-write

Time of First Successful Submission: 2026-04-30 20:29:36

memory-increment

Time of First Successful Submission: 2026-04-30 20:35:35

byte-access

Time of First Successful Submission: 2026-04-30 20:38:19

memory-size-access

Time of First Successful Submission: 2026-04-30 20:46:13

little-endian-write

Time of First Successful Submission: 2026-04-30 21:03:08

memory-sum

Time of First Successful Submission: 2026-04-30 22:35:29

stack-subtraction

Time of First Successful Submission: 2026-04-30 22:37:37

swap-stack-values

Time of First Successful Submission: 2026-04-30 22:40:02

average-stack-values

Time of First Successful Submission: 2026-04-30 22:46:54

absolute-jump

Time of First Successful Submission: 2026-04-30 22:49:14

relative-jump

Time of First Successful Submission: 2026-05-01 02:24:05

jump-trampoline

Time of First Successful Submission: 2026-05-01 02:31:16

conditional-jump

Time of First Successful Submission: 2026-05-01 03:04:31

indirect-jump

Time of First Successful Submission: 2026-05-01 04:18:07

average-loop

Time of First Successful Submission: 2026-05-01 06:01:59

count-non-zero

Time of First Successful Submission: 2026-05-01 06:35:54

string-lower

Time of First Successful Submission: 2026-05-01 18:55:44

most-common-byte

Time of First Successful Submission: 2026-05-02 00:50:06

Exit

Time of First Successful Submission: 2026-05-02 02:15:26

Socket

Time of First Successful Submission: 2026-05-02 02:28:52

Bind

Time of First Successful Submission: 2026-05-02 02:55:41

Listen

Time of First Successful Submission: 2026-05-11 06:20:12

Accept

Time of First Successful Submission: 2026-05-11 15:59:20

Static Response

Time of First Successful Submission: 2026-05-11 16:25:07

Dynamic Response

Time of First Successful Submission: 2026-05-11 19:08:29

Iterative GET Server

Time of First Successful Submission: 2026-05-11 19:19:00

Concurrent GET Server

Time of First Successful Submission: 2026-05-11 20:15:19

Concurrent POST Server

Time of First Successful Submission: 2026-05-12 01:50:58

Web Server

Time of First Successful Submission: 2026-05-12 19:43:55

Debugging Programs

Time of First Successful Submission: 2026-05-12 20:59:21

Inspecting Registers

Time of First Successful Submission: 2026-05-12 21:02:36

Examining Memory

Time of First Successful Submission: 2026-05-12 21:16:55

Setting Breakpoints

Time of First Successful Submission: 2026-05-13 06:45:22

GDB Scripting

Time of First Successful Submission: 2026-05-18 05:00:46

Modifying Data

Time of First Successful Submission: 2026-05-18 05:06:00

Modifying Execution

Time of First Successful Submission: 2026-05-18 05:08:29

Broken Functions

Time of First Successful Submission: 2026-05-18 05:37:14

Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-05-18 06:10:31

... and again!

Time of First Successful Submission: 2026-05-18 06:11:08

Newline Troubles

Time of First Successful Submission: 2026-05-18 06:13:53

Reasoning about files

Time of First Successful Submission: 2026-05-18 06:20:18

Specifying Filenames

Time of First Successful Submission: 2026-05-18 06:21:32

Binary and Hex Encoding

Time of First Successful Submission: 2026-05-19 08:07:24

More Hex

Time of First Successful Submission: 2026-05-19 08:09:27

Decoding Hex

Time of First Successful Submission: 2026-05-19 08:13:11

Decoding Practice

Time of First Successful Submission: 2026-05-19 08:20:22

Encoding Practice

Time of First Successful Submission: 2026-05-19 08:26:17

Hex-encoding ASCII

Time of First Successful Submission: 2026-05-19 08:35:16

Nested Encoding

Time of First Successful Submission: 2026-05-19 15:24:28

Hex-encoding UTF-8

Time of First Successful Submission: 2026-05-19 15:54:48

UTF Mixups

Time of First Successful Submission: 2026-05-19 18:01:25

DSU Cyber Camps

11 / 104 9666 / 46211

Using the Terminal

Time of First Successful Submission: 2026-04-22 05:28:14

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-22 05:31:09

Using the GUI Desktop

Time of First Successful Submission: 2026-04-22 05:40:14

Pasting into the Desktop

Time of First Successful Submission: 2026-04-22 05:42:04

Connecting over SSH

Time of First Successful Submission: 2026-04-22 05:44:27

Restarting Challenges

Time of First Successful Submission: 2026-04-22 05:52:01

Challenge Programs

Time of First Successful Submission: 2026-04-22 06:02:15

The Flag File

Time of First Successful Submission: 2026-04-22 06:04:13

Using Privileged Mode

Time of First Successful Submission: 2026-04-22 06:14:27

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-22 06:18:02

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-22 06:18:50

GCA CTF

11 / 104 9662 / 46211

Using the Terminal

Time of First Successful Submission: 2026-04-22 05:28:14

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-22 05:31:09

Using the GUI Desktop

Time of First Successful Submission: 2026-04-22 05:40:14

Pasting into the Desktop

Time of First Successful Submission: 2026-04-22 05:42:04

Connecting over SSH

Time of First Successful Submission: 2026-04-22 05:44:27

Restarting Challenges

Time of First Successful Submission: 2026-04-22 05:52:01

Challenge Programs

Time of First Successful Submission: 2026-04-22 06:02:15

The Flag File

Time of First Successful Submission: 2026-04-22 06:04:13

Using Privileged Mode

Time of First Successful Submission: 2026-04-22 06:14:27

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-22 06:18:02

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-22 06:18:50