Anonyingmous

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-01-19 18:13:54

Command Arguments

Time of First Successful Submission: 2026-01-19 18:16:19

Command History

Time of First Successful Submission: 2026-01-19 18:17:40

The Root Path

Time of First Successful Submission: 2026-01-20 05:53:17

Absolute Paths

Time of First Successful Submission: 2026-01-20 05:55:22

Changing position

Time of First Successful Submission: 2026-01-20 06:03:42

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-20 06:06:12

Relative Paths

Time of First Successful Submission: 2026-01-20 06:10:40

Cat

Time of First Successful Submission: 2026-01-20 06:26:32

Ls

Time of First Successful Submission: 2026-01-20 06:33:56

Ls All

Time of First Successful Submission: 2026-01-20 06:41:40

Find

Time of First Successful Submission: 2026-01-21 04:49:29

Piping Echo

Time of First Successful Submission: 2026-01-21 11:02:11

Piping Stdout

Time of First Successful Submission: 2026-01-21 11:08:52

Piping Stdin

Time of First Successful Submission: 2026-01-21 13:40:16


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-01-19 17:09:33

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-19 17:31:08

Using the GUI Desktop

Time of First Successful Submission: 2026-01-19 17:33:22

Pasting into the Desktop

Time of First Successful Submission: 2026-01-19 17:35:17

Restarting Challenges

Time of First Successful Submission: 2026-01-19 17:38:22

Challenge Programs

Time of First Successful Submission: 2026-01-30 10:18:12

The Flag File

Time of First Successful Submission: 2026-01-30 10:18:51

Using Privileged Mode

Time of First Successful Submission: 2026-01-30 10:21:08

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-30 10:24:53

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-30 10:25:20


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-01-19 18:13:54

Intro to Arguments

Time of First Successful Submission: 2026-01-19 18:16:19

Command History

Time of First Successful Submission: 2026-01-19 18:17:40

The Root

Time of First Successful Submission: 2026-01-20 05:53:17

Program and absolute paths

Time of First Successful Submission: 2026-01-20 05:55:22

Position thy self

Time of First Successful Submission: 2026-01-20 06:03:42

Position elsewhere

Time of First Successful Submission: 2026-01-20 06:06:12

implicit relative paths, from /

Time of First Successful Submission: 2026-01-20 06:10:40

explicit relative paths, from /

Time of First Successful Submission: 2026-01-20 06:12:22

implicit relative path

Time of First Successful Submission: 2026-01-20 06:13:36

home sweet home

Time of First Successful Submission: 2026-01-20 06:21:09

cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-20 06:26:32

catting absolute paths

Time of First Successful Submission: 2026-01-20 06:27:15

more catting practice

Time of First Successful Submission: 2026-01-20 06:28:08

grepping for a needle in a haystack

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

comparing files

Time of First Successful Submission: 2026-01-20 06:32:43

listing files

Time of First Successful Submission: 2026-01-20 06:33:56

touching files

Time of First Successful Submission: 2026-01-20 06:35:04

removing files

Time of First Successful Submission: 2026-01-20 06:36:07

moving files

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

copying files

Time of First Successful Submission: 2026-01-20 06:39:39

hidden files

Time of First Successful Submission: 2026-01-20 06:41:40

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-20 07:02:37

making directories

Time of First Successful Submission: 2026-01-20 07:31:13

finding files

Time of First Successful Submission: 2026-01-21 04:49:29

linking files

Time of First Successful Submission: 2026-01-21 05:05:55

Learning From Documentation

Time of First Successful Submission: 2026-01-21 05:11:33

Learning Complex Usage

Time of First Successful Submission: 2026-01-21 05:13:30

Reading Manuals

Time of First Successful Submission: 2026-01-21 06:41:33

Searching Manuals

Time of First Successful Submission: 2026-01-21 06:44:21

Searching For Manuals

Time of First Successful Submission: 2026-01-21 10:12:24

Helpful Programs

Time of First Successful Submission: 2026-01-21 10:18:03

Help for Builtins

Time of First Successful Submission: 2026-01-21 10:19:37

Matching with *

Time of First Successful Submission: 2026-01-21 10:24:44

Matching with ?

Time of First Successful Submission: 2026-01-21 10:26:01

Matching with []

Time of First Successful Submission: 2026-01-21 10:27:52

Matching paths with []

Time of First Successful Submission: 2026-01-21 10:28:52

Multiple globs

Time of First Successful Submission: 2026-01-21 10:30:24

Mixing globs

Time of First Successful Submission: 2026-01-21 10:49:32

Exclusionary globbing

Time of First Successful Submission: 2026-01-21 10:51:28

Tab completion

Time of First Successful Submission: 2026-01-21 10:53:04

Multiple options for tab completion

Time of First Successful Submission: 2026-01-21 10:54:39

Tab completion on commands

Time of First Successful Submission: 2026-01-21 10:55:20

Redirecting output

Time of First Successful Submission: 2026-01-21 11:02:11

Redirecting more output

Time of First Successful Submission: 2026-01-21 11:08:52

Appending output

Time of First Successful Submission: 2026-01-21 11:13:57

Redirecting errors

Time of First Successful Submission: 2026-01-21 11:23:04

Redirecting input

Time of First Successful Submission: 2026-01-21 13:40:16

Grepping stored results

Time of First Successful Submission: 2026-01-21 13:45:15

Grepping live output

Time of First Successful Submission: 2026-01-21 13:47:33

Grepping errors

Time of First Successful Submission: 2026-01-21 14:16:41

Filtering with grep -v

Time of First Successful Submission: 2026-01-21 14:24:53

Filtering with sed

Time of First Successful Submission: 2026-01-21 14:27:33

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-21 16:48:12

Process substitution for input

Time of First Successful Submission: 2026-01-21 16:52:06

Writing to multiple programs

Time of First Successful Submission: 2026-01-22 05:28:07

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-22 06:11:00

Named pipes

Time of First Successful Submission: 2026-01-22 06:26:15

Printing Variables

Time of First Successful Submission: 2026-01-22 06:33:15

Setting Variables

Time of First Successful Submission: 2026-01-22 06:35:00

Multi-word Variables

Time of First Successful Submission: 2026-01-22 06:35:46

Exporting Variables

Time of First Successful Submission: 2026-01-22 06:38:56

Printing Exported Variables

Time of First Successful Submission: 2026-01-22 06:50:22

Storing Command Output

Time of First Successful Submission: 2026-01-22 06:52:07

Reading Input

Time of First Successful Submission: 2026-01-22 06:54:24

Reading Files

Time of First Successful Submission: 2026-01-22 07:00:38

Translating characters

Time of First Successful Submission: 2026-01-22 09:16:26

Deleting characters

Time of First Successful Submission: 2026-01-22 09:18:05

Deleting newlines

Time of First Successful Submission: 2026-01-22 09:19:26

Extracting the first lines with head

Time of First Successful Submission: 2026-01-22 09:21:00

Extracting specific sections of text

Time of First Successful Submission: 2026-01-22 09:24:52

Sorting data

Time of First Successful Submission: 2026-01-22 12:42:03

Listing Processes

Time of First Successful Submission: 2026-01-22 12:47:09

Killing Processes

Time of First Successful Submission: 2026-01-22 12:50:31

Interrupting Processes

Time of First Successful Submission: 2026-01-22 12:57:20

Killing Misbehaving Processes

Time of First Successful Submission: 2026-01-22 13:03:22

Suspending Processes

Time of First Successful Submission: 2026-01-22 13:04:31

Resuming Processes

Time of First Successful Submission: 2026-01-22 13:05:34

Backgrounding Processes

Time of First Successful Submission: 2026-01-23 07:45:07

Foregrounding Processes

Time of First Successful Submission: 2026-01-23 07:46:06

Starting Backgrounded Processes

Time of First Successful Submission: 2026-01-23 07:47:03

Process Exit Codes

Time of First Successful Submission: 2026-01-23 07:55:30

Becoming root with su

Time of First Successful Submission: 2026-01-23 08:00:56

Other users with su

Time of First Successful Submission: 2026-01-23 08:02:27

Cracking passwords

Time of First Successful Submission: 2026-01-24 18:03:57

Using sudo

Time of First Successful Submission: 2026-01-24 18:07:53

Changing File Ownership

Time of First Successful Submission: 2026-01-26 09:12:13

Groups and Files

Time of First Successful Submission: 2026-01-26 09:18:14

Fun With Groups Names

Time of First Successful Submission: 2026-01-26 09:22:34

Changing Permissions

Time of First Successful Submission: 2026-01-26 09:34:18

Executable Files

Time of First Successful Submission: 2026-01-26 09:39:40

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-26 09:52:27

Permissions Setting Practice

Time of First Successful Submission: 2026-01-27 05:19:39

The SUID Bit

Time of First Successful Submission: 2026-01-27 05:30:30

Chaining with Semicolons

Time of First Successful Submission: 2026-01-27 09:03:59

Building on Success

Time of First Successful Submission: 2026-01-27 09:06:21

Handling Failure

Time of First Successful Submission: 2026-01-27 09:07:24

Your First Shell Script

Time of First Successful Submission: 2026-01-27 09:20:15

Redirecting Script Output

Time of First Successful Submission: 2026-01-27 17:31:02

Executable Shell Scripts

Time of First Successful Submission: 2026-01-27 17:38:33

Understanding Shebangs

Time of First Successful Submission: 2026-01-27 17:44:07

Scripting with Arguments

Time of First Successful Submission: 2026-01-27 17:47:07

Scripting with Conditionals

Time of First Successful Submission: 2026-01-27 17:50:37

Scripting with Default Cases

Time of First Successful Submission: 2026-01-27 17:52:28

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-27 17:55:53

Reading Shell Scripts

Time of First Successful Submission: 2026-01-27 18:02:52

Launching Screen

Time of First Successful Submission: 2026-01-28 05:11:39

Detaching and Attaching

Time of First Successful Submission: 2026-01-28 05:22:19

Finding Sessions

Time of First Successful Submission: 2026-01-28 05:24:11

Switching Windows

Time of First Successful Submission: 2026-01-28 12:22:37

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-28 12:24:31

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-28 12:28:27

The PATH Variable

Time of First Successful Submission: 2026-01-28 12:30:47

Setting PATH

Time of First Successful Submission: 2026-01-28 12:33:04

Finding Commands

Time of First Successful Submission: 2026-01-28 12:35:06

Adding Commands

Time of First Successful Submission: 2026-01-28 17:49:05

Hijacking Commands

Time of First Successful Submission: 2026-01-28 18:02:55

Bashrc Backdoor

Time of First Successful Submission: 2026-01-28 18:07:55

Sniffing Input

Time of First Successful Submission: 2026-01-29 08:37:52

Overshared Directories

Time of First Successful Submission: 2026-01-29 08:49:40

Tricky Linking

Time of First Successful Submission: 2026-01-29 09:22:36

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-29 17:17:19

Snooping on Configurations

Time of First Successful Submission: 2026-01-29 17:19:47

The Fork Bomb

Time of First Successful Submission: 2026-01-29 17:29:36

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-30 09:53:55

rm -rf /

Time of First Successful Submission: 2026-01-30 09:58:11

Life after rm -rf /

Time of First Successful Submission: 2026-01-30 10:10:54

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-30 10:15:14


Computing 101

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Your First Register

Time of First Successful Submission: 2026-01-30 15:38:46

Your First Syscall

Time of First Successful Submission: 2026-01-30 15:44:05

Exit Codes

Time of First Successful Submission: 2026-01-30 15:47:08

Building Executables

Time of First Successful Submission: 2026-01-30 16:03:19

Moving Between Registers

Time of First Successful Submission: 2026-01-30 16:10:38

Tracing Syscalls

Time of First Successful Submission: 2026-01-30 16:18:54

Starting GDB

Time of First Successful Submission: 2026-01-30 16:20:24

Starting Programs in GDB

Time of First Successful Submission: 2026-01-30 16:22:20

Loading From Memory

Time of First Successful Submission: 2026-01-30 17:08:35

More Loading Practice

Time of First Successful Submission: 2026-01-30 17:09:31

Dereferencing Pointers

Time of First Successful Submission: 2026-01-30 17:21:34

Dereferencing Yourself

Time of First Successful Submission: 2026-01-30 17:23:55

Dereferencing with Offsets

Time of First Successful Submission: 2026-01-30 17:25:33

Stored Addresses

Time of First Successful Submission: 2026-01-30 17:29:05

Double Dereference

Time of First Successful Submission: 2026-01-30 17:33:42

Triple Dereference

Time of First Successful Submission: 2026-01-30 17:35:07


CybHer Dojo

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Using the Terminal

Time of First Successful Submission: 2026-01-19 17:09:33

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-19 17:31:08

Using the GUI Desktop

Time of First Successful Submission: 2026-01-19 17:33:22

Pasting into the Desktop

Time of First Successful Submission: 2026-01-19 17:35:17

Restarting Challenges

Time of First Successful Submission: 2026-01-19 17:38:22

Challenge Programs

Time of First Successful Submission: 2026-01-30 10:18:12

The Flag File

Time of First Successful Submission: 2026-01-30 10:18:51

Using Privileged Mode

Time of First Successful Submission: 2026-01-30 10:21:08

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-30 10:24:53

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-30 10:25:20


GCA CTF

10 / 104 17873 / 39208


Using the Terminal

Time of First Successful Submission: 2026-01-19 17:09:33

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-19 17:31:08

Using the GUI Desktop

Time of First Successful Submission: 2026-01-19 17:33:22

Pasting into the Desktop

Time of First Successful Submission: 2026-01-19 17:35:17

Restarting Challenges

Time of First Successful Submission: 2026-01-19 17:38:22

Challenge Programs

Time of First Successful Submission: 2026-01-30 10:18:12

The Flag File

Time of First Successful Submission: 2026-01-30 10:18:51

Using Privileged Mode

Time of First Successful Submission: 2026-01-30 10:21:08

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-30 10:24:53

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-30 10:25:20