Yukihide

🐧

Intro to Programming Languages

15 / 234 9300 / 31442


Commands

Time of First Successful Submission: 2026-03-17 07:53:11

Command Arguments

Time of First Successful Submission: 2026-03-17 07:55:51

Command History

Time of First Successful Submission: 2026-03-17 08:00:14

The Root Path

Time of First Successful Submission: 2026-03-17 09:41:23

Absolute Paths

Time of First Successful Submission: 2026-03-17 09:42:58

Changing position

Time of First Successful Submission: 2026-03-17 09:45:29

Changing to an Absolute Path

Time of First Successful Submission: 2026-03-17 09:47:35

Relative Paths

Time of First Successful Submission: 2026-03-17 09:50:45

Cat

Time of First Successful Submission: 2026-03-17 11:59:25

Ls

Time of First Successful Submission: 2026-03-17 16:23:43

Ls All

Time of First Successful Submission: 2026-03-17 19:13:55

Find

Time of First Successful Submission: 2026-03-17 20:02:10

Piping Echo

Time of First Successful Submission: 2026-03-19 10:42:15

Piping Stdout

Time of First Successful Submission: 2026-03-19 11:21:32

Piping Stdin

Time of First Successful Submission: 2026-03-20 05:20:37


Start Here

6 / 12 28847 / 42632


Using the Terminal

Time of First Successful Submission: 2026-03-17 06:44:05

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-17 06:47:18

Using the GUI Desktop

Time of First Successful Submission: 2026-03-17 06:51:11

Pasting into the Desktop

Time of First Successful Submission: 2026-03-17 06:53:55

Restarting Challenges

Time of First Successful Submission: 2026-03-17 07:39:42


Linux Luminarium

127 / 128 2652 / 31846


Intro to Commands

Time of First Successful Submission: 2026-03-17 07:53:11

Intro to Arguments

Time of First Successful Submission: 2026-03-17 07:55:51

Command History

Time of First Successful Submission: 2026-03-17 08:00:14

The Root

Time of First Successful Submission: 2026-03-17 09:41:23

Program and absolute paths

Time of First Successful Submission: 2026-03-17 09:42:58

Position thy self

Time of First Successful Submission: 2026-03-17 09:45:29

Position elsewhere

Time of First Successful Submission: 2026-03-17 09:47:35

implicit relative paths, from /

Time of First Successful Submission: 2026-03-17 09:50:45

explicit relative paths, from /

Time of First Successful Submission: 2026-03-17 09:54:41

implicit relative path

Time of First Successful Submission: 2026-03-17 09:57:08

home sweet home

Time of First Successful Submission: 2026-03-17 10:00:25

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-17 11:59:25

catting absolute paths

Time of First Successful Submission: 2026-03-17 12:01:13

more catting practice

Time of First Successful Submission: 2026-03-17 12:03:32

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-17 12:05:51

comparing files

Time of First Successful Submission: 2026-03-17 12:07:55

listing files

Time of First Successful Submission: 2026-03-17 16:23:43

touching files

Time of First Successful Submission: 2026-03-17 16:26:49

removing files

Time of First Successful Submission: 2026-03-17 16:31:04

moving files

Time of First Successful Submission: 2026-03-17 17:06:53

copying files

Time of First Successful Submission: 2026-03-17 17:07:55

hidden files

Time of First Successful Submission: 2026-03-17 19:13:55

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-17 19:28:52

making directories

Time of First Successful Submission: 2026-03-17 19:35:38

finding files

Time of First Successful Submission: 2026-03-17 20:02:10

linking files

Time of First Successful Submission: 2026-03-17 20:21:07

Learning From Documentation

Time of First Successful Submission: 2026-03-18 14:37:14

Learning Complex Usage

Time of First Successful Submission: 2026-03-18 14:50:37

Reading Manuals

Time of First Successful Submission: 2026-03-18 14:57:41

Searching Manuals

Time of First Successful Submission: 2026-03-18 16:03:25

Searching For Manuals

Time of First Successful Submission: 2026-03-18 19:08:48

Helpful Programs

Time of First Successful Submission: 2026-03-18 17:31:37

Help for Builtins

Time of First Successful Submission: 2026-03-18 18:10:04

Matching with *

Time of First Successful Submission: 2026-03-19 07:16:25

Matching with ?

Time of First Successful Submission: 2026-03-19 07:20:05

Matching with []

Time of First Successful Submission: 2026-03-19 07:29:27

Matching paths with []

Time of First Successful Submission: 2026-03-19 07:35:43

Multiple globs

Time of First Successful Submission: 2026-03-19 08:30:50

Mixing globs

Time of First Successful Submission: 2026-03-19 08:36:12

Exclusionary globbing

Time of First Successful Submission: 2026-03-19 08:43:52

Tab completion

Time of First Successful Submission: 2026-03-19 08:51:33

Multiple options for tab completion

Time of First Successful Submission: 2026-03-19 09:00:59

Tab completion on commands

Time of First Successful Submission: 2026-03-19 09:05:42

Redirecting output

Time of First Successful Submission: 2026-03-19 10:42:15

Redirecting more output

Time of First Successful Submission: 2026-03-19 11:21:32

Appending output

Time of First Successful Submission: 2026-03-19 11:19:32

Redirecting errors

Time of First Successful Submission: 2026-03-20 05:16:26

Redirecting input

Time of First Successful Submission: 2026-03-20 05:20:37

Grepping stored results

Time of First Successful Submission: 2026-03-20 05:24:01

Grepping live output

Time of First Successful Submission: 2026-03-20 05:29:16

Grepping errors

Time of First Successful Submission: 2026-03-20 05:32:56

Filtering with grep -v

Time of First Successful Submission: 2026-03-20 05:36:46

Filtering with sed

Time of First Successful Submission: 2026-03-20 06:21:28

Duplicating piped data with tee

Time of First Successful Submission: 2026-03-20 06:36:17

Process substitution for input

Time of First Successful Submission: 2026-03-20 06:48:56

Writing to multiple programs

Time of First Successful Submission: 2026-03-20 07:03:54

Split-piping stderr and stdout

Time of First Successful Submission: 2026-03-20 07:16:47

Named pipes

Time of First Successful Submission: 2026-03-24 15:53:40

Printing Variables

Time of First Successful Submission: 2026-03-20 12:41:44

Setting Variables

Time of First Successful Submission: 2026-03-20 12:42:56

Multi-word Variables

Time of First Successful Submission: 2026-03-20 12:43:41

Exporting Variables

Time of First Successful Submission: 2026-03-20 13:02:17

Printing Exported Variables

Time of First Successful Submission: 2026-03-20 13:03:40

Storing Command Output

Time of First Successful Submission: 2026-03-20 13:06:49

Reading Input

Time of First Successful Submission: 2026-03-20 13:09:14

Reading Files

Time of First Successful Submission: 2026-03-20 13:17:05

Translating characters

Time of First Successful Submission: 2026-03-21 04:55:17

Deleting characters

Time of First Successful Submission: 2026-03-21 05:03:07

Deleting newlines

Time of First Successful Submission: 2026-03-21 05:10:35

Extracting the first lines with head

Time of First Successful Submission: 2026-03-21 05:12:56

Extracting specific sections of text

Time of First Successful Submission: 2026-03-21 05:23:52

Sorting data

Time of First Successful Submission: 2026-03-21 05:26:16

Listing Processes

Time of First Successful Submission: 2026-03-21 05:40:06

Killing Processes

Time of First Successful Submission: 2026-03-21 05:45:28

Interrupting Processes

Time of First Successful Submission: 2026-03-21 05:46:34

Killing Misbehaving Processes

Time of First Successful Submission: 2026-03-21 06:07:52

Suspending Processes

Time of First Successful Submission: 2026-03-21 05:59:29

Resuming Processes

Time of First Successful Submission: 2026-03-21 06:00:18

Backgrounding Processes

Time of First Successful Submission: 2026-03-21 06:12:40

Foregrounding Processes

Time of First Successful Submission: 2026-03-21 06:34:44

Starting Backgrounded Processes

Time of First Successful Submission: 2026-03-21 06:37:59

Process Exit Codes

Time of First Successful Submission: 2026-03-21 06:47:41

Becoming root with su

Time of First Successful Submission: 2026-03-21 06:56:20

Other users with su

Time of First Successful Submission: 2026-03-21 06:57:06

Cracking passwords

Time of First Successful Submission: 2026-03-21 07:02:40

Using sudo

Time of First Successful Submission: 2026-03-21 07:06:07

Changing File Ownership

Time of First Successful Submission: 2026-03-21 09:19:48

Groups and Files

Time of First Successful Submission: 2026-03-21 09:24:11

Fun With Groups Names

Time of First Successful Submission: 2026-03-21 09:26:22

Changing Permissions

Time of First Successful Submission: 2026-03-21 12:59:27

Executable Files

Time of First Successful Submission: 2026-03-21 13:06:25

Permission Tweaking Practice

Time of First Successful Submission: 2026-03-21 13:14:49

Permissions Setting Practice

Time of First Successful Submission: 2026-03-24 14:38:55

The SUID Bit

Time of First Successful Submission: 2026-03-21 13:36:56

Chaining with Semicolons

Time of First Successful Submission: 2026-03-22 04:03:10

Building on Success

Time of First Successful Submission: 2026-03-22 04:05:07

Handling Failure

Time of First Successful Submission: 2026-03-22 04:06:08

Your First Shell Script

Time of First Successful Submission: 2026-03-22 04:09:10

Redirecting Script Output

Time of First Successful Submission: 2026-03-22 04:11:50

Executable Shell Scripts

Time of First Successful Submission: 2026-03-22 04:13:16

Understanding Shebangs

Time of First Successful Submission: 2026-03-23 16:02:05

Scripting with Arguments

Time of First Successful Submission: 2026-03-23 16:24:43

Scripting with Conditionals

Time of First Successful Submission: 2026-03-23 18:08:14

Scripting with Default Cases

Time of First Successful Submission: 2026-03-23 18:10:46

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-03-23 18:14:56

Reading Shell Scripts

Time of First Successful Submission: 2026-03-23 19:04:46

Launching Screen

Time of First Successful Submission: 2026-03-23 19:09:41

Detaching and Attaching

Time of First Successful Submission: 2026-03-23 19:13:19

Finding Sessions

Time of First Successful Submission: 2026-03-23 19:20:28

Switching Windows

Time of First Successful Submission: 2026-03-23 19:25:54

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-03-23 19:29:06

Switching Windows (tmux)

Time of First Successful Submission: 2026-03-23 19:38:59

The PATH Variable

Time of First Successful Submission: 2026-03-23 19:45:51

Setting PATH

Time of First Successful Submission: 2026-03-23 19:51:44

Finding Commands

Time of First Successful Submission: 2026-03-23 19:58:04

Adding Commands

Time of First Successful Submission: 2026-03-23 20:41:31

Hijacking Commands

Time of First Successful Submission: 2026-03-23 20:51:58

Bashrc Backdoor

Time of First Successful Submission: 2026-03-24 06:17:57

Sniffing Input

Time of First Successful Submission: 2026-03-24 07:01:33

Overshared Directories

Time of First Successful Submission: 2026-03-24 09:50:40

Tricky Linking

Time of First Successful Submission: 2026-03-24 13:30:11

Sniffing Process Arguments

Time of First Successful Submission: 2026-03-24 13:38:21

Snooping on Configurations

Time of First Successful Submission: 2026-03-24 13:49:56

The Fork Bomb

Time of First Successful Submission: 2026-03-24 09:06:37

Disk-Space Doomsday

Time of First Successful Submission: 2026-03-24 07:52:09

rm -rf /

Time of First Successful Submission: 2026-03-24 08:00:59

Life after rm -rf /

Time of First Successful Submission: 2026-03-24 08:12:12

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-03-24 08:19:38


GCA CTF

6 / 104 28995 / 42909


Using the Terminal

Time of First Successful Submission: 2026-03-17 06:44:05

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-17 06:47:18

Using the GUI Desktop

Time of First Successful Submission: 2026-03-17 06:51:11

Pasting into the Desktop

Time of First Successful Submission: 2026-03-17 06:53:55

Connecting over SSH

Time of First Successful Submission: 2026-03-17 07:02:50

Restarting Challenges

Time of First Successful Submission: 2026-03-17 07:39:42