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Triple Dereference

Time of First Successful Submission: 2025-11-08 06:24:31

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2025-11-04 14:11:40

Command Arguments

Time of First Successful Submission: 2025-11-04 14:12:11

Command History

Time of First Successful Submission: 2025-11-04 14:12:49

The Root Path

Time of First Successful Submission: 2025-11-04 14:13:53

Absolute Paths

Time of First Successful Submission: 2025-11-04 14:14:57

Changing position

Time of First Successful Submission: 2025-11-04 14:16:32

Changing to an Absolute Path

Time of First Successful Submission: 2025-11-04 14:17:30

Relative Paths

Time of First Successful Submission: 2025-11-04 14:19:54

Cat

Time of First Successful Submission: 2025-11-04 14:27:29

Ls

Time of First Successful Submission: 2025-11-04 15:59:12

Ls All

Time of First Successful Submission: 2025-11-04 16:04:48

Find

Time of First Successful Submission: 2025-11-04 16:59:34

Piping Echo

Time of First Successful Submission: 2025-11-05 06:47:59

Piping Stdout

Time of First Successful Submission: 2025-11-05 07:42:49

Piping Stdin

Time of First Successful Submission: 2025-11-05 07:53:12

Start Here

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Using the Terminal

Time of First Successful Submission: 2025-11-04 12:00:55

Using the VSCode Workspace

Time of First Successful Submission: 2025-11-04 12:07:57

Using the GUI Desktop

Time of First Successful Submission: 2025-11-04 12:17:24

Pasting into the Desktop

Time of First Successful Submission: 2025-11-04 12:19:11

Restarting Challenges

Time of First Successful Submission: 2025-11-04 13:34:18

Challenge Programs

Time of First Successful Submission: 2025-11-04 13:40:32

The Flag File

Time of First Successful Submission: 2025-11-04 13:44:44

Using Privileged Mode

Time of First Successful Submission: 2025-11-04 13:49:42

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-04 13:52:50

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-04 13:53:59

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-11-04 14:11:40

Intro to Arguments

Time of First Successful Submission: 2025-11-04 14:12:11

Command History

Time of First Successful Submission: 2025-11-04 14:12:49

The Root

Time of First Successful Submission: 2025-11-04 14:13:53

Program and absolute paths

Time of First Successful Submission: 2025-11-04 14:14:57

Position thy self

Time of First Successful Submission: 2025-11-04 14:16:32

Position elsewhere

Time of First Successful Submission: 2025-11-04 14:17:30

implicit relative paths, from /

Time of First Successful Submission: 2025-11-04 14:19:54

explicit relative paths, from /

Time of First Successful Submission: 2025-11-04 14:22:00

implicit relative path

Time of First Successful Submission: 2025-11-04 14:23:07

home sweet home

Time of First Successful Submission: 2025-11-04 14:25:24

cat: not the pet, but the command!

Time of First Successful Submission: 2025-11-04 14:27:29

catting absolute paths

Time of First Successful Submission: 2025-11-04 14:28:08

more catting practice

Time of First Successful Submission: 2025-11-04 14:28:55

grepping for a needle in a haystack

Time of First Successful Submission: 2025-11-04 14:29:45

comparing files

Time of First Successful Submission: 2025-11-04 14:31:28

listing files

Time of First Successful Submission: 2025-11-04 15:59:12

touching files

Time of First Successful Submission: 2025-11-04 16:01:01

removing files

Time of First Successful Submission: 2025-11-04 16:01:32

moving files

Time of First Successful Submission: 2025-11-04 16:04:05

copying files

Time of First Successful Submission: 2025-11-06 08:51:46

hidden files

Time of First Successful Submission: 2025-11-04 16:04:48

An Epic Filesystem Quest

Time of First Successful Submission: 2025-11-04 16:13:29

making directories

Time of First Successful Submission: 2025-11-04 16:16:08

finding files

Time of First Successful Submission: 2025-11-04 16:59:34

linking files

Time of First Successful Submission: 2025-11-04 17:14:08

Learning From Documentation

Time of First Successful Submission: 2025-11-04 17:16:13

Learning Complex Usage

Time of First Successful Submission: 2025-11-04 17:18:50

Reading Manuals

Time of First Successful Submission: 2025-11-04 17:21:34

Searching Manuals

Time of First Successful Submission: 2025-11-04 17:22:56

Searching For Manuals

Time of First Successful Submission: 2025-11-04 17:36:27

Helpful Programs

Time of First Successful Submission: 2025-11-04 17:45:07

Help for Builtins

Time of First Successful Submission: 2025-11-04 17:50:25

Matching with *

Time of First Successful Submission: 2025-11-04 17:55:08

Matching with ?

Time of First Successful Submission: 2025-11-04 17:56:37

Matching with []

Time of First Successful Submission: 2025-11-04 17:58:26

Matching paths with []

Time of First Successful Submission: 2025-11-04 18:08:25

Multiple globs

Time of First Successful Submission: 2025-11-04 18:10:09

Mixing globs

Time of First Successful Submission: 2025-11-04 18:13:10

Exclusionary globbing

Time of First Successful Submission: 2025-11-04 18:16:25

Tab completion

Time of First Successful Submission: 2025-11-05 06:41:37

Multiple options for tab completion

Time of First Successful Submission: 2025-11-05 06:43:21

Tab completion on commands

Time of First Successful Submission: 2025-11-05 06:44:33

Redirecting output

Time of First Successful Submission: 2025-11-05 06:47:59

Redirecting more output

Time of First Successful Submission: 2025-11-05 07:42:49

Appending output

Time of First Successful Submission: 2025-11-05 07:45:39

Redirecting errors

Time of First Successful Submission: 2025-11-05 07:49:55

Redirecting input

Time of First Successful Submission: 2025-11-05 07:53:12

Grepping stored results

Time of First Successful Submission: 2025-11-05 08:54:55

Grepping live output

Time of First Successful Submission: 2025-11-05 08:56:11

Grepping errors

Time of First Successful Submission: 2025-11-05 09:00:05

Filtering with grep -v

Time of First Successful Submission: 2025-11-05 09:29:12

Filtering with sed

Time of First Successful Submission: 2025-11-06 08:52:56

Duplicating piped data with tee

Time of First Successful Submission: 2025-11-05 09:36:24

Process substitution for input

Time of First Successful Submission: 2025-11-05 09:41:03

Writing to multiple programs

Time of First Successful Submission: 2025-11-05 09:49:56

Split-piping stderr and stdout

Time of First Successful Submission: 2025-11-05 10:14:22

Named pipes

Time of First Successful Submission: 2025-11-05 10:21:13

Printing Variables

Time of First Successful Submission: 2025-11-05 11:09:01

Setting Variables

Time of First Successful Submission: 2025-11-05 11:11:38

Multi-word Variables

Time of First Successful Submission: 2025-11-05 11:12:40

Exporting Variables

Time of First Successful Submission: 2025-11-05 11:14:46

Printing Exported Variables

Time of First Successful Submission: 2025-11-05 11:15:35

Storing Command Output

Time of First Successful Submission: 2025-11-05 11:17:12

Reading Input

Time of First Successful Submission: 2025-11-05 11:19:38

Reading Files

Time of First Successful Submission: 2025-11-05 11:23:40

Translating characters

Time of First Successful Submission: 2025-11-05 13:39:52

Deleting characters

Time of First Successful Submission: 2025-11-05 13:40:50

Deleting newlines

Time of First Successful Submission: 2025-11-05 13:43:25

Extracting the first lines with head

Time of First Successful Submission: 2025-11-05 13:44:31

Extracting specific sections of text

Time of First Successful Submission: 2025-11-05 13:46:46

Sorting data

Time of First Successful Submission: 2025-11-05 13:48:32

Listing Processes

Time of First Successful Submission: 2025-11-05 14:39:57

Killing Processes

Time of First Successful Submission: 2025-11-05 14:42:21

Interrupting Processes

Time of First Successful Submission: 2025-11-05 14:43:19

Killing Misbehaving Processes

Time of First Successful Submission: 2025-11-05 14:46:03

Suspending Processes

Time of First Successful Submission: 2025-11-05 14:47:50

Resuming Processes

Time of First Successful Submission: 2025-11-05 14:48:33

Backgrounding Processes

Time of First Successful Submission: 2025-11-05 14:56:18

Foregrounding Processes

Time of First Successful Submission: 2025-11-05 14:57:17

Starting Backgrounded Processes

Time of First Successful Submission: 2025-11-05 14:58:00

Process Exit Codes

Time of First Successful Submission: 2025-11-05 14:59:15

Becoming root with su

Time of First Successful Submission: 2025-11-05 15:00:34

Other users with su

Time of First Successful Submission: 2025-11-05 15:08:37

Cracking passwords

Time of First Successful Submission: 2025-11-05 15:15:40

Using sudo

Time of First Successful Submission: 2025-11-05 15:26:09

Changing File Ownership

Time of First Successful Submission: 2025-11-05 16:05:18

Groups and Files

Time of First Successful Submission: 2025-11-05 16:18:47

Fun With Groups Names

Time of First Successful Submission: 2025-11-05 16:24:07

Changing Permissions

Time of First Successful Submission: 2025-11-05 17:15:31

Executable Files

Time of First Successful Submission: 2025-11-05 17:16:55

Permission Tweaking Practice

Time of First Successful Submission: 2025-11-05 17:28:21

Permissions Setting Practice

Time of First Successful Submission: 2025-11-05 17:34:08

The SUID Bit

Time of First Successful Submission: 2025-11-05 17:36:55

Chaining with Semicolons

Time of First Successful Submission: 2025-11-05 17:39:40

Building on Success

Time of First Successful Submission: 2025-11-05 17:40:18

Handling Failure

Time of First Successful Submission: 2025-11-05 17:41:25

Your First Shell Script

Time of First Successful Submission: 2025-11-05 17:44:08

Redirecting Script Output

Time of First Successful Submission: 2025-11-06 03:36:04

Executable Shell Scripts

Time of First Successful Submission: 2025-11-06 03:50:34

Understanding Shebangs

Time of First Successful Submission: 2025-11-06 04:24:50

Scripting with Arguments

Time of First Successful Submission: 2025-11-06 04:26:21

Scripting with Conditionals

Time of First Successful Submission: 2025-11-06 04:28:21

Scripting with Default Cases

Time of First Successful Submission: 2025-11-06 04:30:21

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-11-06 04:34:48

Reading Shell Scripts

Time of First Successful Submission: 2025-11-06 04:54:42

Launching Screen

Time of First Successful Submission: 2025-11-06 06:21:07

Detaching and Attaching

Time of First Successful Submission: 2025-11-06 06:22:57

Finding Sessions

Time of First Successful Submission: 2025-11-06 06:24:31

Switching Windows

Time of First Successful Submission: 2025-11-06 06:26:06

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-11-06 06:28:17

Switching Windows (tmux)

Time of First Successful Submission: 2025-11-06 06:31:28

The PATH Variable

Time of First Successful Submission: 2025-11-06 06:34:44

Setting PATH

Time of First Successful Submission: 2025-11-06 06:39:37

Finding Commands

Time of First Successful Submission: 2025-11-06 06:42:00

Adding Commands

Time of First Successful Submission: 2025-11-06 07:22:45

Hijacking Commands

Time of First Successful Submission: 2025-11-06 07:25:56

Bashrc Backdoor

Time of First Successful Submission: 2025-11-06 07:29:18

Sniffing Input

Time of First Successful Submission: 2025-11-06 07:43:18

Overshared Directories

Time of First Successful Submission: 2025-11-06 08:03:30

Tricky Linking

Time of First Successful Submission: 2025-11-06 08:10:21

Sniffing Process Arguments

Time of First Successful Submission: 2025-11-06 08:15:37

Snooping on Configurations

Time of First Successful Submission: 2025-11-06 08:20:58

The Fork Bomb

Time of First Successful Submission: 2025-11-06 08:28:08

Disk-Space Doomsday

Time of First Successful Submission: 2025-11-06 08:34:22

rm -rf /

Time of First Successful Submission: 2025-11-06 08:40:31

Life after rm -rf /

Time of First Successful Submission: 2025-11-06 08:43:47

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-11-06 08:49:58

Computing 101

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Your First Register

Time of First Successful Submission: 2025-11-08 05:30:44

Your First Syscall

Time of First Successful Submission: 2025-11-08 05:33:15

Exit Codes

Time of First Successful Submission: 2025-11-08 05:35:44

Building Executables

Time of First Successful Submission: 2025-11-08 05:40:13

Moving Between Registers

Time of First Successful Submission: 2025-11-08 05:45:05

Loading From Memory

Time of First Successful Submission: 2025-11-08 06:02:28

More Loading Practice

Time of First Successful Submission: 2025-11-08 06:04:54

Dereferencing Pointers

Time of First Successful Submission: 2025-11-08 06:09:35

Dereferencing Yourself

Time of First Successful Submission: 2025-11-08 06:11:12

Dereferencing with Offsets

Time of First Successful Submission: 2025-11-08 06:13:55

Stored Addresses

Time of First Successful Submission: 2025-11-08 06:17:02

Double Dereference

Time of First Successful Submission: 2025-11-08 06:22:54

Tracing Syscalls

Time of First Successful Submission: 2025-11-08 05:48:34

Starting GDB

Time of First Successful Submission: 2025-11-08 05:49:52

Starting Programs in GDB

Time of First Successful Submission: 2025-11-08 05:51:07

Writing Output

Time of First Successful Submission: 2025-11-08 06:30:46

Chaining Syscalls

Time of First Successful Submission: 2025-11-08 06:32:41

Writing Strings

Time of First Successful Submission: 2025-11-08 06:33:48

Reading Data

Time of First Successful Submission: 2025-11-08 06:44:05

set-register

Time of First Successful Submission: 2025-11-08 06:48:22

set-multiple-registers

Time of First Successful Submission: 2025-11-08 06:50:05

add-to-register

Time of First Successful Submission: 2025-11-08 06:52:43

linear-equation-registers

Time of First Successful Submission: 2025-11-08 06:55:03

integer-division

Time of First Successful Submission: 2025-11-08 07:23:50

modulo-operation

Time of First Successful Submission: 2025-11-08 07:25:45

set-upper-byte

Time of First Successful Submission: 2025-11-08 07:28:21

efficient-modulo

Time of First Successful Submission: 2025-11-08 07:35:37

byte-extraction

Time of First Successful Submission: 2025-11-08 09:16:36

bitwise-and

Time of First Successful Submission: 2025-11-08 09:32:43

check-even

Time of First Successful Submission: 2025-11-08 10:01:09

memory-read

Time of First Successful Submission: 2025-11-08 10:37:49

memory-write

Time of First Successful Submission: 2025-11-08 10:38:42

memory-increment

Time of First Successful Submission: 2025-11-08 10:41:40

byte-access

Time of First Successful Submission: 2025-11-08 10:44:28

memory-size-access

Time of First Successful Submission: 2025-11-08 10:46:03

little-endian-write

Time of First Successful Submission: 2025-11-08 10:55:16

memory-sum

Time of First Successful Submission: 2025-11-08 11:03:51

stack-subtraction

Time of First Successful Submission: 2025-11-08 11:05:46

swap-stack-values

Time of First Successful Submission: 2025-11-08 11:06:59

average-stack-values

Time of First Successful Submission: 2025-11-08 12:18:28

absolute-jump

Time of First Successful Submission: 2025-11-08 12:22:23

relative-jump

Time of First Successful Submission: 2025-11-08 12:30:37

jump-trampoline

Time of First Successful Submission: 2025-11-09 01:48:53

conditional-jump

Time of First Successful Submission: 2025-11-10 05:41:41

indirect-jump

Time of First Successful Submission: 2025-11-12 03:19:15

average-loop

Time of First Successful Submission: 2025-11-12 10:46:20

count-non-zero

Time of First Successful Submission: 2025-11-12 11:52:52

string-lower

Time of First Successful Submission: 2025-11-12 17:26:30

GCA CTF

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Using the Terminal

Time of First Successful Submission: 2025-11-04 12:00:55

Using the VSCode Workspace

Time of First Successful Submission: 2025-11-04 12:07:57

Using the GUI Desktop

Time of First Successful Submission: 2025-11-04 12:17:24

Pasting into the Desktop

Time of First Successful Submission: 2025-11-04 12:19:11

Restarting Challenges

Time of First Successful Submission: 2025-11-04 13:34:18

Getting Help

Time of First Successful Submission: 2025-11-04 13:37:46

Challenge Programs

Time of First Successful Submission: 2025-11-04 13:40:32

The Flag File

Time of First Successful Submission: 2025-11-04 13:44:44

Using Privileged Mode

Time of First Successful Submission: 2025-11-04 13:49:42

Persistent Home Directories - One

Time of First Successful Submission: 2025-11-04 13:52:50

Persistent Home Directories - Two

Time of First Successful Submission: 2025-11-04 13:53:59

Pale Red Horse Squad

Time of First Successful Submission: 2025-11-06 09:29:06