karmal0

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2025-12-24 13:16:44

Command Arguments

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Command History

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The Root Path

Time of First Successful Submission: 2025-12-24 13:18:19

Absolute Paths

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Changing position

Time of First Successful Submission: 2025-12-24 13:19:48

Changing to an Absolute Path

Time of First Successful Submission: 2025-12-24 13:21:23

Relative Paths

Time of First Successful Submission: 2025-12-24 13:22:21

Cat

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Ls

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Ls All

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Find

Time of First Successful Submission: 2025-12-24 13:51:28

Piping Echo

Time of First Successful Submission: 2025-12-24 19:37:25

Piping Stdout

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Piping Stdin

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The Art of the Shell

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The Transient Path

Time of First Successful Submission: 2025-12-27 00:16:33

Ferocious Functionality

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The Surprising Swap

Time of First Successful Submission: 2025-12-27 00:37:57

Path of the Unquoted

Time of First Successful Submission: 2025-12-27 11:43:40

Globbing Harmony

Time of First Successful Submission: 2025-12-27 12:10:48


Start Here

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Using the Terminal

Time of First Successful Submission: 2025-12-24 12:38:11

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-24 12:37:44

Using the GUI Desktop

Time of First Successful Submission: 2025-12-24 12:39:19

Pasting into the Desktop

Time of First Successful Submission: 2025-12-24 12:40:29

Restarting Challenges

Time of First Successful Submission: 2025-12-24 12:42:20

Challenge Programs

Time of First Successful Submission: 2025-12-24 12:45:52

The Flag File

Time of First Successful Submission: 2025-12-24 12:47:45

Using Privileged Mode

Time of First Successful Submission: 2025-12-24 12:49:48

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-24 12:51:09

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-24 12:51:46


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-12-24 13:16:44

Intro to Arguments

Time of First Successful Submission: 2025-12-24 13:17:10

Command History

Time of First Successful Submission: 2025-12-24 13:17:38

The Root

Time of First Successful Submission: 2025-12-24 13:18:19

Program and absolute paths

Time of First Successful Submission: 2025-12-24 13:19:09

Position thy self

Time of First Successful Submission: 2025-12-24 13:19:48

Position elsewhere

Time of First Successful Submission: 2025-12-24 13:21:23

implicit relative paths, from /

Time of First Successful Submission: 2025-12-24 13:22:21

explicit relative paths, from /

Time of First Successful Submission: 2025-12-24 13:23:02

implicit relative path

Time of First Successful Submission: 2025-12-24 13:23:33

home sweet home

Time of First Successful Submission: 2025-12-24 13:24:57

cat: not the pet, but the command!

Time of First Successful Submission: 2025-12-24 13:26:08

catting absolute paths

Time of First Successful Submission: 2025-12-24 13:26:36

more catting practice

Time of First Successful Submission: 2025-12-24 13:27:56

grepping for a needle in a haystack

Time of First Successful Submission: 2025-12-24 13:28:43

comparing files

Time of First Successful Submission: 2025-12-24 13:29:55

listing files

Time of First Successful Submission: 2025-12-24 13:32:33

touching files

Time of First Successful Submission: 2025-12-24 13:32:59

removing files

Time of First Successful Submission: 2025-12-24 13:33:19

moving files

Time of First Successful Submission: 2025-12-24 13:35:10

copying files

Time of First Successful Submission: 2025-12-24 13:35:43

hidden files

Time of First Successful Submission: 2025-12-24 13:41:34

An Epic Filesystem Quest

Time of First Successful Submission: 2025-12-24 13:46:41

making directories

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finding files

Time of First Successful Submission: 2025-12-24 13:51:28

linking files

Time of First Successful Submission: 2025-12-24 14:21:29

Learning From Documentation

Time of First Successful Submission: 2025-12-24 14:38:39

Learning Complex Usage

Time of First Successful Submission: 2025-12-24 14:40:22

Reading Manuals

Time of First Successful Submission: 2025-12-24 14:41:37

Searching Manuals

Time of First Successful Submission: 2025-12-24 14:42:25

Searching For Manuals

Time of First Successful Submission: 2025-12-24 14:46:41

Helpful Programs

Time of First Successful Submission: 2025-12-24 14:47:21

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: 2025-12-24 15:00:13

Exclusionary globbing

Time of First Successful Submission: 2025-12-24 15:01:15

Tab completion

Time of First Successful Submission: 2025-12-24 15:05:16

Multiple options for tab completion

Time of First Successful Submission: 2025-12-24 15:06:05

Tab completion on commands

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Redirecting output

Time of First Successful Submission: 2025-12-24 19:37:25

Redirecting more output

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Appending output

Time of First Successful Submission: 2025-12-24 19:40:14

Redirecting errors

Time of First Successful Submission: 2025-12-24 19:45:02

Redirecting input

Time of First Successful Submission: 2025-12-24 19:45:51

Grepping stored results

Time of First Successful Submission: 2025-12-24 19:46:29

Grepping live output

Time of First Successful Submission: 2025-12-24 19:47:01

Grepping errors

Time of First Successful Submission: 2025-12-24 19:49:30

Filtering with grep -v

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Filtering with sed

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Duplicating piped data with tee

Time of First Successful Submission: 2025-12-24 19:56:11

Process substitution for input

Time of First Successful Submission: 2025-12-24 20:01:20

Writing to multiple programs

Time of First Successful Submission: 2025-12-24 20:17:58

Split-piping stderr and stdout

Time of First Successful Submission: 2025-12-24 20:39:44

Named pipes

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Printing Variables

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Setting Variables

Time of First Successful Submission: 2025-12-24 20:52:23

Multi-word Variables

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Exporting Variables

Time of First Successful Submission: 2025-12-24 20:54:59

Printing Exported Variables

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Storing Command Output

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Reading Input

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Reading Files

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Translating characters

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Deleting characters

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Deleting newlines

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Extracting the first lines with head

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Extracting specific sections of text

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Sorting data

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Listing Processes

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Killing Processes

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Interrupting Processes

Time of First Successful Submission: 2025-12-24 22:00:02

Killing Misbehaving Processes

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Suspending Processes

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Resuming Processes

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Backgrounding Processes

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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

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Using sudo

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Changing File Ownership

Time of First Successful Submission: 2025-12-24 23:15:39

Groups and Files

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Fun With Groups Names

Time of First Successful Submission: 2025-12-24 23:18:34

Changing Permissions

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Executable Files

Time of First Successful Submission: 2025-12-24 23:20:42

Permission Tweaking Practice

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Permissions Setting Practice

Time of First Successful Submission: 2025-12-24 23:26:06

The SUID Bit

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Chaining with Semicolons

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Building on Success

Time of First Successful Submission: 2025-12-24 23:34:29

Handling Failure

Time of First Successful Submission: 2025-12-24 23:35:05

Your First Shell Script

Time of First Successful Submission: 2025-12-24 23:36:15

Redirecting Script Output

Time of First Successful Submission: 2025-12-24 23:37:04

Executable Shell Scripts

Time of First Successful Submission: 2025-12-24 23:37:52

Understanding Shebangs

Time of First Successful Submission: 2025-12-24 23:39:34

Scripting with Arguments

Time of First Successful Submission: 2025-12-24 23:40:21

Scripting with Conditionals

Time of First Successful Submission: 2025-12-25 11:25:02

Scripting with Default Cases

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Scripting with Multiple Conditions

Time of First Successful Submission: 2025-12-25 11:26:57

Reading Shell Scripts

Time of First Successful Submission: 2025-12-25 11:30:14

Launching Screen

Time of First Successful Submission: 2025-12-25 11:31:21

Detaching and Attaching

Time of First Successful Submission: 2025-12-25 11:46:40

Finding Sessions

Time of First Successful Submission: 2025-12-25 11:47:19

Switching Windows

Time of First Successful Submission: 2025-12-25 11:48:23

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-12-25 11:55:04

Switching Windows (tmux)

Time of First Successful Submission: 2025-12-25 12:12:54

The PATH Variable

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Setting PATH

Time of First Successful Submission: 2025-12-25 12:14:47

Finding Commands

Time of First Successful Submission: 2025-12-25 12:15:28

Adding Commands

Time of First Successful Submission: 2025-12-25 12:17:10

Hijacking Commands

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Bashrc Backdoor

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Sniffing Input

Time of First Successful Submission: 2025-12-25 13:54:54

Overshared Directories

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Tricky Linking

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Sniffing Process Arguments

Time of First Successful Submission: 2025-12-25 16:29:44

Snooping on Configurations

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The Fork Bomb

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Disk-Space Doomsday

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rm -rf /

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Life after rm -rf /

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Finding meaning after rm -rf /

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Playing With Programs

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What's the password?

Time of First Successful Submission: 2025-12-25 20:20:10

... and again!

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Newline Troubles

Time of First Successful Submission: 2025-12-25 20:25:20

Reasoning about files

Time of First Successful Submission: 2025-12-25 20:26:26

Specifying Filenames

Time of First Successful Submission: 2025-12-25 21:34:00

Binary and Hex Encoding

Time of First Successful Submission: 2025-12-26 00:38:52


Arizona CTF 2025

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Hijack Me!

Time of First Successful Submission: 2025-12-27 00:16:33


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2025-12-24 12:38:11

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-24 12:37:44

Using the GUI Desktop

Time of First Successful Submission: 2025-12-24 12:39:19

Pasting into the Desktop

Time of First Successful Submission: 2025-12-24 12:40:29

Restarting Challenges

Time of First Successful Submission: 2025-12-24 12:42:20

Getting Help

Time of First Successful Submission: 2025-12-24 12:45:12

Challenge Programs

Time of First Successful Submission: 2025-12-24 12:45:52

The Flag File

Time of First Successful Submission: 2025-12-24 12:47:45

Using Privileged Mode

Time of First Successful Submission: 2025-12-24 12:49:48

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-24 12:51:09

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-24 12:51:46