Korry25

🐧

Turkey

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-01-24 14:39:58

Command Arguments

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Command History

Time of First Successful Submission: 2026-01-24 14:42:44

The Root Path

Time of First Successful Submission: 2026-01-24 14:48:39

Absolute Paths

Time of First Successful Submission: 2026-01-24 14:50:22

Changing position

Time of First Successful Submission: 2026-01-25 08:43:14

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-25 08:45:08

Relative Paths

Time of First Successful Submission: 2026-01-25 08:52:50

Cat

Time of First Successful Submission: 2026-01-25 09:52:20

Ls

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Ls All

Time of First Successful Submission: 2026-01-25 10:17:26

Find

Time of First Successful Submission: 2026-01-25 10:47:54

Piping Echo

Time of First Successful Submission: 2026-01-25 14:27:34

Piping Stdout

Time of First Successful Submission: 2026-01-25 14:30:27

Piping Stdin

Time of First Successful Submission: 2026-01-25 14:48:45


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-01-24 14:15:22

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-24 14:17:23

Using the GUI Desktop

Time of First Successful Submission: 2026-01-24 14:20:32

Pasting into the Desktop

Time of First Successful Submission: 2026-01-24 14:22:47

Restarting Challenges

Time of First Successful Submission: 2026-01-24 14:33:36

Challenge Programs

Time of First Successful Submission: 2026-01-26 17:16:24

The Flag File

Time of First Successful Submission: 2026-01-26 17:18:10

Using Privileged Mode

Time of First Successful Submission: 2026-01-26 17:25:57

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-26 17:28:29

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-26 17:29:58


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-01-24 14:39:58

Intro to Arguments

Time of First Successful Submission: 2026-01-24 14:41:01

Command History

Time of First Successful Submission: 2026-01-24 14:42:44

The Root

Time of First Successful Submission: 2026-01-24 14:48:39

Program and absolute paths

Time of First Successful Submission: 2026-01-24 14:50:22

Position thy self

Time of First Successful Submission: 2026-01-25 08:43:14

Position elsewhere

Time of First Successful Submission: 2026-01-25 08:45:08

implicit relative paths, from /

Time of First Successful Submission: 2026-01-25 08:52:50

explicit relative paths, from /

Time of First Successful Submission: 2026-01-25 08:54:28

implicit relative path

Time of First Successful Submission: 2026-01-25 09:43:04

home sweet home

Time of First Successful Submission: 2026-01-25 09:48:07

cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-25 09:52:20

catting absolute paths

Time of First Successful Submission: 2026-01-25 09:54:32

more catting practice

Time of First Successful Submission: 2026-01-25 09:56:42

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-25 09:58:38

comparing files

Time of First Successful Submission: 2026-01-25 10:01:08

listing files

Time of First Successful Submission: 2026-01-25 10:03:46

touching files

Time of First Successful Submission: 2026-01-25 10:06:24

removing files

Time of First Successful Submission: 2026-01-25 10:08:14

moving files

Time of First Successful Submission: 2026-01-25 10:11:33

copying files

Time of First Successful Submission: 2026-01-25 10:13:27

hidden files

Time of First Successful Submission: 2026-01-25 10:17:26

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-25 10:23:20

making directories

Time of First Successful Submission: 2026-01-25 10:26:31

finding files

Time of First Successful Submission: 2026-01-25 10:47:54

linking files

Time of First Successful Submission: 2026-01-25 11:05:07

Learning From Documentation

Time of First Successful Submission: 2026-01-25 11:10:25

Learning Complex Usage

Time of First Successful Submission: 2026-01-25 11:12:45

Reading Manuals

Time of First Successful Submission: 2026-01-25 11:17:51

Searching Manuals

Time of First Successful Submission: 2026-01-25 11:20:43

Searching For Manuals

Time of First Successful Submission: 2026-01-25 11:23:57

Helpful Programs

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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 []

Time of First Successful Submission: 2026-01-25 14:07:14

Multiple globs

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Mixing globs

Time of First Successful Submission: 2026-01-25 14:13:38

Exclusionary globbing

Time of First Successful Submission: 2026-01-25 14:16:18

Tab completion

Time of First Successful Submission: 2026-01-25 14:18:31

Multiple options for tab completion

Time of First Successful Submission: 2026-01-25 14:23:05

Tab completion on commands

Time of First Successful Submission: 2026-01-25 14:24:06

Redirecting output

Time of First Successful Submission: 2026-01-25 14:27:34

Redirecting more output

Time of First Successful Submission: 2026-01-25 14:30:27

Appending output

Time of First Successful Submission: 2026-01-25 14:35:41

Redirecting errors

Time of First Successful Submission: 2026-01-25 14:39:28

Redirecting input

Time of First Successful Submission: 2026-01-25 14:48:45

Grepping stored results

Time of First Successful Submission: 2026-01-25 14:52:16

Grepping live output

Time of First Successful Submission: 2026-01-25 14:57:56

Grepping errors

Time of First Successful Submission: 2026-01-25 15:06:35

Filtering with grep -v

Time of First Successful Submission: 2026-01-25 15:08:30

Filtering with sed

Time of First Successful Submission: 2026-01-25 15:11:33

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-25 15:20:03

Process substitution for input

Time of First Successful Submission: 2026-01-25 15:29:54

Writing to multiple programs

Time of First Successful Submission: 2026-01-25 15:37:58

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-25 15:51:50

Named pipes

Time of First Successful Submission: 2026-01-25 15:58:58

Printing Variables

Time of First Successful Submission: 2026-01-26 12:35:21

Setting Variables

Time of First Successful Submission: 2026-01-26 12:39:08

Multi-word Variables

Time of First Successful Submission: 2026-01-26 12:41:53

Exporting Variables

Time of First Successful Submission: 2026-01-26 12:56:18

Printing Exported Variables

Time of First Successful Submission: 2026-01-26 12:58:39

Storing Command Output

Time of First Successful Submission: 2026-01-26 13:05:46

Reading Input

Time of First Successful Submission: 2026-01-26 13:10:00

Reading Files

Time of First Successful Submission: 2026-01-26 13:13:44

Translating characters

Time of First Successful Submission: 2026-01-26 17:38:24

Deleting characters

Time of First Successful Submission: 2026-01-26 17:40:14

Deleting newlines

Time of First Successful Submission: 2026-01-26 17:44:35

Extracting the first lines with head

Time of First Successful Submission: 2026-01-26 17:47:11

Extracting specific sections of text

Time of First Successful Submission: 2026-01-26 17:52:17

Sorting data

Time of First Successful Submission: 2026-01-26 17:54:30

Listing Processes

Time of First Successful Submission: 2026-02-01 11:20:31

Killing Processes

Time of First Successful Submission: 2026-02-01 11:24:51

Interrupting Processes

Time of First Successful Submission: 2026-02-01 11:27:09

Killing Misbehaving Processes

Time of First Successful Submission: 2026-02-01 11:32:21

Suspending Processes

Time of First Successful Submission: 2026-02-01 11:33:43

Resuming Processes

Time of First Successful Submission: 2026-02-01 11:35:06

Backgrounding Processes

Time of First Successful Submission: 2026-02-01 11:38:18

Foregrounding Processes

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Starting Backgrounded Processes

Time of First Successful Submission: 2026-02-01 11:41:25

Process Exit Codes

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Becoming root with su

Time of First Successful Submission: 2026-02-01 15:34:12

Other users with su

Time of First Successful Submission: 2026-02-01 15:35:16

Cracking passwords

Time of First Successful Submission: 2026-02-01 15:39:16

Using sudo

Time of First Successful Submission: 2026-02-01 15:42:24

Changing File Ownership

Time of First Successful Submission: 2026-02-01 15:52:01

Groups and Files

Time of First Successful Submission: 2026-02-01 15:55:21

Fun With Groups Names

Time of First Successful Submission: 2026-02-01 15:56:57

Changing Permissions

Time of First Successful Submission: 2026-02-01 16:01:50

Executable Files

Time of First Successful Submission: 2026-02-01 16:03:30

Permission Tweaking Practice

Time of First Successful Submission: 2026-02-01 16:08:17

Permissions Setting Practice

Time of First Successful Submission: 2026-02-01 16:13:48

The SUID Bit

Time of First Successful Submission: 2026-02-01 16:16:17

Chaining with Semicolons

Time of First Successful Submission: 2026-02-04 17:18:39

Building on Success

Time of First Successful Submission: 2026-02-04 17:23:30

Handling Failure

Time of First Successful Submission: 2026-02-04 17:25:36

Your First Shell Script

Time of First Successful Submission: 2026-02-04 17:32:01

Redirecting Script Output

Time of First Successful Submission: 2026-02-04 17:37:15

Executable Shell Scripts

Time of First Successful Submission: 2026-02-04 17:40:33

Understanding Shebangs

Time of First Successful Submission: 2026-02-04 17:51:47

Scripting with Arguments

Time of First Successful Submission: 2026-02-04 17:59:05

Scripting with Conditionals

Time of First Successful Submission: 2026-02-04 18:06:50

Scripting with Default Cases

Time of First Successful Submission: 2026-02-04 18:10:44

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-02-04 18:15:01

Reading Shell Scripts

Time of First Successful Submission: 2026-02-04 18:17:46

Launching Screen

Time of First Successful Submission: 2026-02-05 17:23:14

Detaching and Attaching

Time of First Successful Submission: 2026-02-05 17:25:34

Finding Sessions

Time of First Successful Submission: 2026-02-05 17:27:57

Switching Windows

Time of First Successful Submission: 2026-02-05 17:32:05

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-02-05 17:33:51

Switching Windows (tmux)

Time of First Successful Submission: 2026-02-05 17:35:45

The PATH Variable

Time of First Successful Submission: 2026-02-08 16:00:20

Setting PATH

Time of First Successful Submission: 2026-02-08 16:02:33

Finding Commands

Time of First Successful Submission: 2026-02-08 16:04:42

Adding Commands

Time of First Successful Submission: 2026-02-08 16:30:58

Hijacking Commands

Time of First Successful Submission: 2026-02-08 16:38:34

Bashrc Backdoor

Time of First Successful Submission: 2026-02-15 08:57:25

Sniffing Input

Time of First Successful Submission: 2026-02-15 09:14:51

Overshared Directories

Time of First Successful Submission: 2026-02-15 09:21:49

Tricky Linking

Time of First Successful Submission: 2026-02-15 09:28:26

Sniffing Process Arguments

Time of First Successful Submission: 2026-02-15 09:31:04

Snooping on Configurations

Time of First Successful Submission: 2026-02-15 09:34:43

The Fork Bomb

Time of First Successful Submission: 2026-02-15 09:44:09

Disk-Space Doomsday

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rm -rf /

Time of First Successful Submission: 2026-02-15 09:50:42

Life after rm -rf /

Time of First Successful Submission: 2026-02-15 09:54:06

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-02-15 09:57:44


Computing 101

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Your First Register

Time of First Successful Submission: 2026-02-15 10:11:08

Your First Syscall

Time of First Successful Submission: 2026-02-15 10:18:08

Exit Codes

Time of First Successful Submission: 2026-02-15 10:21:58

Building Executables

Time of First Successful Submission: 2026-02-15 10:36:35

Moving Between Registers

Time of First Successful Submission: 2026-02-15 10:43:47

Tracing Syscalls

Time of First Successful Submission: 2026-02-16 17:17:56

Starting GDB

Time of First Successful Submission: 2026-02-16 17:20:35

Starting Programs in GDB

Time of First Successful Submission: 2026-02-16 17:23:56


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-01-24 14:15:22

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-24 14:17:23

Using the GUI Desktop

Time of First Successful Submission: 2026-01-24 14:20:32

Pasting into the Desktop

Time of First Successful Submission: 2026-01-24 14:22:47

Connecting over SSH

Time of First Successful Submission: 2026-01-24 14:30:42

Restarting Challenges

Time of First Successful Submission: 2026-01-24 14:33:36

Getting Help

Time of First Successful Submission: 2026-01-24 14:36:00

Challenge Programs

Time of First Successful Submission: 2026-01-26 17:16:24

The Flag File

Time of First Successful Submission: 2026-01-26 17:18:10

Using Privileged Mode

Time of First Successful Submission: 2026-01-26 17:25:57

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-26 17:28:29

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-26 17:29:58