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set-register

Time of First Successful Submission: 2026-06-04 07:53:35

set-multiple-registers

Time of First Successful Submission: 2026-06-04 07:55:02

add-to-register

Time of First Successful Submission: 2026-06-04 07:56:46

linear-equation-registers

Time of First Successful Submission: 2026-06-04 07:58:12

integer-division

Time of First Successful Submission: 2026-06-04 09:23:45

modulo-operation

Time of First Successful Submission: 2026-06-04 09:25:30

set-upper-byte

Time of First Successful Submission: 2026-06-04 09:31:08

efficient-modulo

Time of First Successful Submission: 2026-06-04 09:40:40

byte-extraction

Time of First Successful Submission: 2026-06-04 11:18:52

bitwise-and

Time of First Successful Submission: 2026-06-04 11:24:24

check-even

Time of First Successful Submission: 2026-06-04 11:29:46

memory-read

Time of First Successful Submission: 2026-06-04 11:32:03

memory-write

Time of First Successful Submission: 2026-06-04 11:34:04

memory-increment

Time of First Successful Submission: 2026-06-04 11:36:59

byte-access

Time of First Successful Submission: 2026-06-04 11:38:19

memory-size-access

Time of First Successful Submission: 2026-06-04 11:39:47

little-endian-write

Time of First Successful Submission: 2026-06-04 11:49:30

memory-sum

Time of First Successful Submission: 2026-06-04 11:56:19

stack-subtraction

Time of First Successful Submission: 2026-06-04 12:02:56

swap-stack-values

Time of First Successful Submission: 2026-06-04 12:07:02

average-stack-values

Time of First Successful Submission: 2026-06-04 12:11:33

absolute-jump

Time of First Successful Submission: 2026-06-04 12:12:36

relative-jump

Time of First Successful Submission: 2026-06-04 12:17:26

jump-trampoline

Time of First Successful Submission: 2026-06-04 12:25:35

conditional-jump

Time of First Successful Submission: 2026-06-04 12:47:19

indirect-jump

Time of First Successful Submission: 2026-06-04 12:57:22

average-loop

Time of First Successful Submission: 2026-06-04 13:03:43

count-non-zero

Time of First Successful Submission: 2026-06-04 13:11:10

string-lower

Time of First Successful Submission: 2026-06-04 13:53:47

most-common-byte

Time of First Successful Submission: 2026-06-04 14:02:13

Intro to Programming Languages

15 / 234 10464 / 35052

Commands

Time of First Successful Submission: 2026-05-13 09:35:17

Command Arguments

Time of First Successful Submission: 2026-05-13 09:36:46

Command History

Time of First Successful Submission: 2026-05-13 09:40:07

The Root Path

Time of First Successful Submission: 2026-05-13 10:47:36

Absolute Paths

Time of First Successful Submission: 2026-05-13 10:48:12

Changing position

Time of First Successful Submission: 2026-05-13 10:53:48

Changing to an Absolute Path

Time of First Successful Submission: 2026-05-13 10:55:51

Relative Paths

Time of First Successful Submission: 2026-05-13 11:04:15

Cat

Time of First Successful Submission: 2026-05-13 11:22:18

Ls

Time of First Successful Submission: 2026-05-13 11:28:34

Ls All

Time of First Successful Submission: 2026-05-13 11:37:35

Find

Time of First Successful Submission: 2026-05-13 12:08:42

Piping Echo

Time of First Successful Submission: 2026-05-15 11:05:55

Piping Stdout

Time of First Successful Submission: 2026-05-15 11:13:50

Piping Stdin

Time of First Successful Submission: 2026-05-15 11:24:39

Start Here

12 / 12 2448 / 47562

Using the Terminal

Time of First Successful Submission: 2026-05-13 08:28:40

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-13 08:33:31

Using the GUI Desktop

Time of First Successful Submission: 2026-05-13 08:38:36

Pasting into the Desktop

Time of First Successful Submission: 2026-05-13 08:40:45

Restarting Challenges

Time of First Successful Submission: 2026-05-13 08:45:50

Challenge Programs

Time of First Successful Submission: 2026-05-13 08:49:19

The Flag File

Time of First Successful Submission: 2026-05-13 08:50:55

Using Privileged Mode

Time of First Successful Submission: 2026-05-13 08:55:00

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-13 09:05:28

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-13 09:06:34

Linux Luminarium

128 / 128 3316 / 35529

Intro to Commands

Time of First Successful Submission: 2026-05-13 09:35:17

Intro to Arguments

Time of First Successful Submission: 2026-05-13 09:36:46

Command History

Time of First Successful Submission: 2026-05-13 09:40:07

The Root

Time of First Successful Submission: 2026-05-13 10:47:36

Program and absolute paths

Time of First Successful Submission: 2026-05-13 10:48:12

Position thy self

Time of First Successful Submission: 2026-05-13 10:53:48

Position elsewhere

Time of First Successful Submission: 2026-05-13 10:55:51

implicit relative paths, from /

Time of First Successful Submission: 2026-05-13 11:04:15

explicit relative paths, from /

Time of First Successful Submission: 2026-05-13 11:05:00

implicit relative path

Time of First Successful Submission: 2026-05-13 11:07:38

home sweet home

Time of First Successful Submission: 2026-05-13 11:15:35

cat: not the pet, but the command!

Time of First Successful Submission: 2026-05-13 11:22:18

catting absolute paths

Time of First Successful Submission: 2026-05-13 11:22:44

more catting practice

Time of First Successful Submission: 2026-05-13 11:23:32

grepping for a needle in a haystack

Time of First Successful Submission: 2026-05-13 11:25:03

comparing files

Time of First Successful Submission: 2026-05-13 11:27:24

listing files

Time of First Successful Submission: 2026-05-13 11:28:34

touching files

Time of First Successful Submission: 2026-05-13 11:29:37

removing files

Time of First Successful Submission: 2026-05-13 11:31:41

moving files

Time of First Successful Submission: 2026-05-13 11:32:51

copying files

Time of First Successful Submission: 2026-05-13 11:33:47

hidden files

Time of First Successful Submission: 2026-05-13 11:37:35

An Epic Filesystem Quest

Time of First Successful Submission: 2026-05-13 12:02:05

making directories

Time of First Successful Submission: 2026-05-13 12:03:35

finding files

Time of First Successful Submission: 2026-05-13 12:08:42

linking files

Time of First Successful Submission: 2026-05-13 12:18:40

Learning From Documentation

Time of First Successful Submission: 2026-05-13 12:26:12

Learning Complex Usage

Time of First Successful Submission: 2026-05-13 12:30:05

Reading Manuals

Time of First Successful Submission: 2026-05-14 09:22:18

Searching Manuals

Time of First Successful Submission: 2026-05-14 09:26:35

Searching For Manuals

Time of First Successful Submission: 2026-05-15 08:58:40

Helpful Programs

Time of First Successful Submission: 2026-05-15 09:19:10

Help for Builtins

Time of First Successful Submission: 2026-05-15 09:26:45

Matching with *

Time of First Successful Submission: 2026-05-15 09:29:29

Matching with ?

Time of First Successful Submission: 2026-05-15 09:30:53

Matching with []

Time of First Successful Submission: 2026-05-15 09:44:52

Matching paths with []

Time of First Successful Submission: 2026-05-15 09:36:15

Multiple globs

Time of First Successful Submission: 2026-05-15 09:38:45

Mixing globs

Time of First Successful Submission: 2026-05-15 09:52:14

Exclusionary globbing

Time of First Successful Submission: 2026-05-15 09:54:59

Tab completion

Time of First Successful Submission: 2026-05-15 09:55:46

Multiple options for tab completion

Time of First Successful Submission: 2026-05-15 11:03:37

Tab completion on commands

Time of First Successful Submission: 2026-05-15 11:04:21

Redirecting output

Time of First Successful Submission: 2026-05-15 11:05:55

Redirecting more output

Time of First Successful Submission: 2026-05-15 11:13:50

Appending output

Time of First Successful Submission: 2026-05-15 11:15:38

Redirecting errors

Time of First Successful Submission: 2026-05-15 11:22:37

Redirecting input

Time of First Successful Submission: 2026-05-15 11:24:39

Grepping stored results

Time of First Successful Submission: 2026-05-15 11:27:29

Grepping live output

Time of First Successful Submission: 2026-05-15 11:29:41

Grepping errors

Time of First Successful Submission: 2026-05-15 11:31:55

Filtering with grep -v

Time of First Successful Submission: 2026-05-15 11:33:56

Filtering with sed

Time of First Successful Submission: 2026-05-15 11:42:39

Duplicating piped data with tee

Time of First Successful Submission: 2026-05-15 12:08:01

Process substitution for input

Time of First Successful Submission: 2026-05-15 12:13:19

Writing to multiple programs

Time of First Successful Submission: 2026-05-15 12:22:27

Split-piping stderr and stdout

Time of First Successful Submission: 2026-05-15 12:32:50

Named pipes

Time of First Successful Submission: 2026-05-15 12:41:45

Printing Variables

Time of First Successful Submission: 2026-05-16 05:45:21

Setting Variables

Time of First Successful Submission: 2026-05-16 05:46:48

Multi-word Variables

Time of First Successful Submission: 2026-05-16 05:47:55

Exporting Variables

Time of First Successful Submission: 2026-05-16 05:53:01

Printing Exported Variables

Time of First Successful Submission: 2026-05-16 05:54:03

Storing Command Output

Time of First Successful Submission: 2026-05-16 05:55:15

Reading Input

Time of First Successful Submission: 2026-05-16 05:57:34

Reading Files

Time of First Successful Submission: 2026-05-16 05:59:13

Translating characters

Time of First Successful Submission: 2026-05-16 06:02:58

Deleting characters

Time of First Successful Submission: 2026-05-16 06:03:54

Deleting newlines

Time of First Successful Submission: 2026-05-16 06:48:51

Extracting the first lines with head

Time of First Successful Submission: 2026-05-16 06:49:54

Extracting specific sections of text

Time of First Successful Submission: 2026-05-16 06:55:42

Sorting data

Time of First Successful Submission: 2026-05-16 07:32:58

Listing Processes

Time of First Successful Submission: 2026-05-28 08:49:39

Killing Processes

Time of First Successful Submission: 2026-05-28 08:52:02

Interrupting Processes

Time of First Successful Submission: 2026-05-28 08:52:56

Killing Misbehaving Processes

Time of First Successful Submission: 2026-05-28 09:39:40

Suspending Processes

Time of First Successful Submission: 2026-05-28 09:40:55

Resuming Processes

Time of First Successful Submission: 2026-05-28 09:42:43

Backgrounding Processes

Time of First Successful Submission: 2026-05-28 12:44:51

Foregrounding Processes

Time of First Successful Submission: 2026-05-28 12:46:58

Starting Backgrounded Processes

Time of First Successful Submission: 2026-05-28 12:49:11

Process Exit Codes

Time of First Successful Submission: 2026-05-28 12:52:27

Becoming root with su

Time of First Successful Submission: 2026-05-29 07:08:35

Other users with su

Time of First Successful Submission: 2026-05-29 07:09:20

Cracking passwords

Time of First Successful Submission: 2026-05-29 07:11:55

Using sudo

Time of First Successful Submission: 2026-05-29 07:15:15

Changing File Ownership

Time of First Successful Submission: 2026-05-29 07:53:09

Groups and Files

Time of First Successful Submission: 2026-05-29 07:55:14

Fun With Groups Names

Time of First Successful Submission: 2026-05-29 08:01:29

Changing Permissions

Time of First Successful Submission: 2026-05-29 08:10:28

Executable Files

Time of First Successful Submission: 2026-05-29 08:15:51

Permission Tweaking Practice

Time of First Successful Submission: 2026-05-29 08:25:20

Permissions Setting Practice

Time of First Successful Submission: 2026-05-29 08:29:41

The SUID Bit

Time of First Successful Submission: 2026-05-29 08:40:12

Chaining with Semicolons

Time of First Successful Submission: 2026-05-29 08:44:37

Building on Success

Time of First Successful Submission: 2026-05-29 08:45:57

Handling Failure

Time of First Successful Submission: 2026-05-29 08:46:54

Your First Shell Script

Time of First Successful Submission: 2026-05-31 13:34:10

Redirecting Script Output

Time of First Successful Submission: 2026-05-31 14:28:42

Executable Shell Scripts

Time of First Successful Submission: 2026-05-31 14:37:07

Understanding Shebangs

Time of First Successful Submission: 2026-05-31 14:42:51

Scripting with Arguments

Time of First Successful Submission: 2026-05-31 14:45:29

Scripting with Conditionals

Time of First Successful Submission: 2026-05-31 14:48:11

Scripting with Default Cases

Time of First Successful Submission: 2026-05-31 14:51:19

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-05-31 14:55:30

Reading Shell Scripts

Time of First Successful Submission: 2026-05-31 14:58:17

Launching Screen

Time of First Successful Submission: 2026-05-31 14:59:37

Detaching and Attaching

Time of First Successful Submission: 2026-05-31 15:01:59

Finding Sessions

Time of First Successful Submission: 2026-05-31 15:05:33

Switching Windows

Time of First Successful Submission: 2026-05-31 15:08:46

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-05-31 15:12:11

Switching Windows (tmux)

Time of First Successful Submission: 2026-05-31 15:14:33

The PATH Variable

Time of First Successful Submission: 2026-05-31 15:17:13

Setting PATH

Time of First Successful Submission: 2026-05-31 15:20:07

Finding Commands

Time of First Successful Submission: 2026-05-31 15:23:30

Adding Commands

Time of First Successful Submission: 2026-05-31 15:43:47

Hijacking Commands

Time of First Successful Submission: 2026-05-31 15:50:10

Bashrc Backdoor

Time of First Successful Submission: 2026-05-31 15:55:16

Sniffing Input

Time of First Successful Submission: 2026-05-31 16:16:46

Overshared Directories

Time of First Successful Submission: 2026-05-31 16:34:35

Tricky Linking

Time of First Successful Submission: 2026-06-01 08:32:49

Sniffing Process Arguments

Time of First Successful Submission: 2026-06-01 08:39:46

Snooping on Configurations

Time of First Successful Submission: 2026-06-01 08:55:09

The Fork Bomb

Time of First Successful Submission: 2026-06-01 10:03:23

Disk-Space Doomsday

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

rm -rf /

Time of First Successful Submission: 2026-06-01 10:10:42

Life after rm -rf /

Time of First Successful Submission: 2026-06-01 10:14:52

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-06-01 10:20:13

Computing 101

74 / 125 115 / 20481

Your First Register

Time of First Successful Submission: 2026-06-02 12:03:41

Your First Syscall

Time of First Successful Submission: 2026-06-02 12:04:42

Exit Codes

Time of First Successful Submission: 2026-06-02 12:06:00

Building Executables

Time of First Successful Submission: 2026-06-02 12:13:36

Moving Between Registers

Time of First Successful Submission: 2026-06-02 12:15:16

Loading From Memory

Time of First Successful Submission: 2026-06-02 12:30:47

More Loading Practice

Time of First Successful Submission: 2026-06-02 12:32:03

Dereferencing Pointers

Time of First Successful Submission: 2026-06-02 12:33:24

Dereferencing Yourself

Time of First Successful Submission: 2026-06-02 12:34:47

Dereferencing with Offsets

Time of First Successful Submission: 2026-06-02 12:35:51

Stored Addresses

Time of First Successful Submission: 2026-06-02 12:38:43

Double Dereference

Time of First Successful Submission: 2026-06-02 12:40:26

The Stack

Time of First Successful Submission: 2026-06-02 12:41:37

Stack Offsets

Time of First Successful Submission: 2026-06-02 12:42:37

Program Arguments on the Stack

Time of First Successful Submission: 2026-06-02 12:44:52

Popping From the Stack

Time of First Successful Submission: 2026-06-02 12:49:11

Disassembling Programs

Time of First Successful Submission: 2026-06-02 12:56:16

Tracing Syscalls

Time of First Successful Submission: 2026-06-02 12:58:12

Starting GDB

Time of First Successful Submission: 2026-06-02 12:59:25

Quitting GDB

Time of First Successful Submission: 2026-06-02 12:59:57

Starting Programs in GDB

Time of First Successful Submission: 2026-06-02 13:01:20

Disassembling in GDB

Time of First Successful Submission: 2026-06-02 13:03:15

Stepping Through Instructions

Time of First Successful Submission: 2026-06-02 13:04:05

Reading Register Values

Time of First Successful Submission: 2026-06-02 13:04:54

Popping Stack Values

Time of First Successful Submission: 2026-06-02 13:05:54

Examining Memory

Time of First Successful Submission: 2026-06-02 13:07:03

Examining Stack Pointers

Time of First Successful Submission: 2026-06-02 13:08:01

Cooperative Debugging

Time of First Successful Submission: 2026-06-02 13:12:12

Running with Arguments

Time of First Successful Submission: 2026-06-02 13:13:01

Writing Output

Time of First Successful Submission: 2026-06-02 13:19:07

Chaining Syscalls

Time of First Successful Submission: 2026-06-02 13:20:43

Writing Strings

Time of First Successful Submission: 2026-06-02 13:21:45

Reading Data

Time of First Successful Submission: 2026-06-02 13:27:13

Opening Files

Time of First Successful Submission: 2026-06-02 13:32:20

Hardcoding the Filename

Time of First Successful Submission: 2026-06-02 13:35:57

Comparing Values

Time of First Successful Submission: 2026-06-03 04:51:50

Comparing Characters

Time of First Successful Submission: 2026-06-03 04:57:38

Conditional Control Flow

Time of First Successful Submission: 2026-06-03 05:04:41

Comparing Strings

Time of First Successful Submission: 2026-06-03 05:07:14

Reverse the Password

Time of First Successful Submission: 2026-06-03 05:10:48

Conditionals Without Conditionals

Time of First Successful Submission: 2026-06-03 05:50:29

Looping

Time of First Successful Submission: 2026-06-03 05:55:24

Writing From a Shared Library

Time of First Successful Submission: 2026-06-03 06:19:14

Returning a Value

Time of First Successful Submission: 2026-06-03 06:25:18

Calling Through a Pointer

Time of First Successful Submission: 2026-06-03 06:26:28

Calling Through a Pointer with an Argument

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

Reverse the Calculation

Time of First Successful Submission: 2026-06-03 06:35:38

Reverse the Reverse

Time of First Successful Submission: 2026-06-03 06:36:34

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-06-03 06:37:54

Loops on Data

Time of First Successful Submission: 2026-06-03 06:39:23

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-06-03 06:55:00

Environment Variables on the Stack

Time of First Successful Submission: 2026-06-03 06:59:46

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-06-03 07:26:52

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-06-03 07:48:05

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-06-03 07:53:57

Exit

Time of First Successful Submission: 2026-06-05 05:36:52

Socket

Time of First Successful Submission: 2026-06-05 05:39:46

Bind

Time of First Successful Submission: 2026-06-05 05:55:38

Listen

Time of First Successful Submission: 2026-06-05 07:01:37

Accept

Time of First Successful Submission: 2026-06-05 07:09:20

Static Response

Time of First Successful Submission: 2026-06-05 07:42:39

Dynamic Response

Time of First Successful Submission: 2026-06-05 08:22:23

Iterative GET Server

Time of First Successful Submission: 2026-06-05 08:25:46

Concurrent GET Server

Time of First Successful Submission: 2026-06-05 08:41:36

Concurrent POST Server

Time of First Successful Submission: 2026-06-05 09:36:46

Web Server

Time of First Successful Submission: 2026-06-05 09:48:08

Debugging Programs

Time of First Successful Submission: 2026-06-05 09:58:16

Inspecting Registers

Time of First Successful Submission: 2026-06-05 10:02:24

Examining Memory

Time of First Successful Submission: 2026-06-05 10:37:32

Setting Breakpoints

Time of First Successful Submission: 2026-06-05 11:13:42

GDB Scripting

Time of First Successful Submission: 2026-06-05 11:40:12

Modifying Data

Time of First Successful Submission: 2026-06-05 12:23:43

Modifying Execution

Time of First Successful Submission: 2026-06-05 14:15:10

Broken Functions

Time of First Successful Submission: 2026-06-05 15:30:48

DSU Cyber Camps

12 / 104 2753 / 47857

Using the Terminal

Time of First Successful Submission: 2026-05-13 08:28:40

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-13 08:33:31

Using the GUI Desktop

Time of First Successful Submission: 2026-05-13 08:38:36

Pasting into the Desktop

Time of First Successful Submission: 2026-05-13 08:40:45

Connecting over SSH

Time of First Successful Submission: 2026-05-13 08:42:48

Restarting Challenges

Time of First Successful Submission: 2026-05-13 08:45:50

Getting Help

Time of First Successful Submission: 2026-05-13 08:47:59

Challenge Programs

Time of First Successful Submission: 2026-05-13 08:49:19

The Flag File

Time of First Successful Submission: 2026-05-13 08:50:55

Using Privileged Mode

Time of First Successful Submission: 2026-05-13 08:55:00

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-13 09:05:28

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-13 09:06:34

GCA CTF

12 / 104 2753 / 47857

Using the Terminal

Time of First Successful Submission: 2026-05-13 08:28:40

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-13 08:33:31

Using the GUI Desktop

Time of First Successful Submission: 2026-05-13 08:38:36

Pasting into the Desktop

Time of First Successful Submission: 2026-05-13 08:40:45

Connecting over SSH

Time of First Successful Submission: 2026-05-13 08:42:48

Restarting Challenges

Time of First Successful Submission: 2026-05-13 08:45:50

Getting Help

Time of First Successful Submission: 2026-05-13 08:47:59

Challenge Programs

Time of First Successful Submission: 2026-05-13 08:49:19

The Flag File

Time of First Successful Submission: 2026-05-13 08:50:55

Using Privileged Mode

Time of First Successful Submission: 2026-05-13 08:55:00

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-13 09:05:28

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-13 09:06:34