gellosparkles

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-10-17 02:01:34

Command Arguments

Time of First Successful Submission: 2026-10-17 02:02:53

Command History

Time of First Successful Submission: 2026-10-17 02:03:25

The Root Path

Time of First Successful Submission: 2026-10-17 02:06:21

Absolute Paths

Time of First Successful Submission: 2026-10-17 02:06:52

Changing position

Time of First Successful Submission: 2026-10-17 02:08:32

Changing to an Absolute Path

Time of First Successful Submission: 2026-10-17 02:09:35

Relative Paths

Time of First Successful Submission: 2026-10-17 02:10:36

Cat

Time of First Successful Submission: 2026-10-17 02:26:21

Ls

Time of First Successful Submission: 2026-10-17 02:42:22

Ls All

Time of First Successful Submission: 2026-10-17 02:46:59

Find

Time of First Successful Submission: 2026-10-17 03:11:28

Piping Echo

Time of First Successful Submission: 2026-10-18 18:19:58

Piping Stdout

Time of First Successful Submission: 2026-10-18 18:20:53

Piping Stdin

Time of First Successful Submission: 2026-10-18 20:36:31


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-10-13 03:27:25

Using the VSCode Workspace

Time of First Successful Submission: 2026-10-13 03:30:59

Using the GUI Desktop

Time of First Successful Submission: 2026-10-13 03:35:16

Pasting into the Desktop

Time of First Successful Submission: 2026-10-13 03:37:44

Restarting Challenges

Time of First Successful Submission: 2026-10-17 01:55:54


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-10-17 02:01:34

Intro to Arguments

Time of First Successful Submission: 2026-10-17 02:02:53

Command History

Time of First Successful Submission: 2026-10-17 02:03:25

The Root

Time of First Successful Submission: 2026-10-17 02:06:21

Program and absolute paths

Time of First Successful Submission: 2026-10-17 02:06:52

Position thy self

Time of First Successful Submission: 2026-10-17 02:08:32

Position elsewhere

Time of First Successful Submission: 2026-10-17 02:09:35

implicit relative paths, from /

Time of First Successful Submission: 2026-10-17 02:10:36

explicit relative paths, from /

Time of First Successful Submission: 2026-10-17 02:11:30

implicit relative path

Time of First Successful Submission: 2026-10-17 02:13:08

home sweet home

Time of First Successful Submission: 2026-10-17 02:24:17

cat: not the pet, but the command!

Time of First Successful Submission: 2026-10-17 02:26:21

catting absolute paths

Time of First Successful Submission: 2026-10-17 02:26:46

more catting practice

Time of First Successful Submission: 2026-10-17 02:34:05

grepping for a needle in a haystack

Time of First Successful Submission: 2026-10-17 02:39:53

comparing files

Time of First Successful Submission: 2026-10-17 02:41:18

listing files

Time of First Successful Submission: 2026-10-17 02:42:22

touching files

Time of First Successful Submission: 2026-10-17 02:42:58

removing files

Time of First Successful Submission: 2026-10-17 02:43:28

moving files

Time of First Successful Submission: 2026-10-17 02:44:24

copying files

Time of First Successful Submission: 2026-10-17 02:45:37

hidden files

Time of First Successful Submission: 2026-10-17 02:46:59

An Epic Filesystem Quest

Time of First Successful Submission: 2026-10-17 02:57:02

making directories

Time of First Successful Submission: 2026-10-17 03:08:35

finding files

Time of First Successful Submission: 2026-10-17 03:11:28

linking files

Time of First Successful Submission: 2026-10-17 19:33:14

Learning From Documentation

Time of First Successful Submission: 2026-10-18 06:53:02

Learning Complex Usage

Time of First Successful Submission: 2026-10-18 06:54:55

Reading Manuals

Time of First Successful Submission: 2026-10-18 06:57:05

Searching Manuals

Time of First Successful Submission: 2026-10-18 06:58:16

Searching For Manuals

Time of First Successful Submission: 2026-10-18 17:37:06

Helpful Programs

Time of First Successful Submission: 2026-10-18 17:38:24

Help for Builtins

Time of First Successful Submission: 2026-10-18 17:59:02

Matching with *

Time of First Successful Submission: 2026-10-18 18:01:35

Matching with ?

Time of First Successful Submission: 2026-10-18 18:02:28

Matching with []

Time of First Successful Submission: 2026-10-18 18:03:31

Matching paths with []

Time of First Successful Submission: 2026-10-18 18:04:26

Multiple globs

Time of First Successful Submission: 2026-10-18 18:06:05

Mixing globs

Time of First Successful Submission: 2026-10-18 18:12:21

Exclusionary globbing

Time of First Successful Submission: 2026-10-18 18:14:02

Tab completion

Time of First Successful Submission: 2026-10-18 18:16:13

Multiple options for tab completion

Time of First Successful Submission: 2026-10-18 18:18:20

Tab completion on commands

Time of First Successful Submission: 2026-10-18 18:18:45

Redirecting output

Time of First Successful Submission: 2026-10-18 18:19:58

Redirecting more output

Time of First Successful Submission: 2026-10-18 18:20:53

Appending output

Time of First Successful Submission: 2026-10-18 19:32:11

Redirecting errors

Time of First Successful Submission: 2026-10-18 20:32:40

Redirecting input

Time of First Successful Submission: 2026-10-18 20:36:31

Grepping stored results

Time of First Successful Submission: 2026-10-18 20:46:10

Grepping live output

Time of First Successful Submission: 2026-10-18 20:46:49

Grepping errors

Time of First Successful Submission: 2026-10-18 20:48:13

Filtering with grep -v

Time of First Successful Submission: 2026-10-18 20:49:44

Filtering with sed

Time of First Successful Submission: 2026-10-18 20:51:59

Duplicating piped data with tee

Time of First Successful Submission: 2026-10-19 17:21:14

Process substitution for input

Time of First Successful Submission: 2026-10-19 17:29:22

Writing to multiple programs

Time of First Successful Submission: 2026-10-19 17:52:33

Split-piping stderr and stdout

Time of First Successful Submission: 2026-10-19 18:10:39

Named pipes

Time of First Successful Submission: 2026-10-19 18:29:14

Printing Variables

Time of First Successful Submission: 2026-10-19 18:30:32

Setting Variables

Time of First Successful Submission: 2026-10-19 18:44:18

Multi-word Variables

Time of First Successful Submission: 2026-10-19 18:44:59

Exporting Variables

Time of First Successful Submission: 2026-10-19 18:47:28

Printing Exported Variables

Time of First Successful Submission: 2026-10-19 18:47:53

Storing Command Output

Time of First Successful Submission: 2026-10-19 20:43:44

Reading Input

Time of First Successful Submission: 2026-10-21 05:16:20

Reading Files

Time of First Successful Submission: 2026-10-21 05:18:51

Translating characters

Time of First Successful Submission: 2026-10-26 17:25:16

Deleting characters

Time of First Successful Submission: 2026-10-26 17:25:54

Deleting newlines

Time of First Successful Submission: 2026-10-26 17:42:36

Extracting the first lines with head

Time of First Successful Submission: 2026-10-26 18:33:13

Extracting specific sections of text

Time of First Successful Submission: 2026-10-26 18:36:14

Sorting data

Time of First Successful Submission: 2026-10-26 18:40:07

Listing Processes

Time of First Successful Submission: 2026-10-28 01:39:35

Killing Processes

Time of First Successful Submission: 2026-10-28 01:41:37

Interrupting Processes

Time of First Successful Submission: 2026-10-28 01:42:01

Killing Misbehaving Processes

Time of First Successful Submission: 2026-10-28 01:44:38

Suspending Processes

Time of First Successful Submission: 2026-10-28 01:45:20

Resuming Processes

Time of First Successful Submission: 2026-10-28 01:46:01

Backgrounding Processes

Time of First Successful Submission: 2026-10-28 01:54:41

Foregrounding Processes

Time of First Successful Submission: 2026-10-28 01:55:24

Starting Backgrounded Processes

Time of First Successful Submission: 2026-10-28 01:56:00

Process Exit Codes

Time of First Successful Submission: 2026-10-28 01:57:55

Becoming root with su

Time of First Successful Submission: 2026-10-28 06:25:57

Other users with su

Time of First Successful Submission: 2026-10-28 06:27:15

Cracking passwords

Time of First Successful Submission: 2026-10-28 06:59:46

Using sudo

Time of First Successful Submission: 2026-10-28 07:12:45

Changing File Ownership

Time of First Successful Submission: 2026-10-29 06:08:00

Groups and Files

Time of First Successful Submission: 2026-10-29 06:11:44

Fun With Groups Names

Time of First Successful Submission: 2026-10-29 06:12:51

Changing Permissions

Time of First Successful Submission: 2026-10-29 06:18:39

Executable Files

Time of First Successful Submission: 2026-10-29 06:20:00

Permission Tweaking Practice

Time of First Successful Submission: 2026-10-29 06:23:52

Permissions Setting Practice

Time of First Successful Submission: 2026-10-29 06:28:10

The SUID Bit

Time of First Successful Submission: 2026-10-29 06:36:54

Chaining with Semicolons

Time of First Successful Submission: 2026-10-29 06:37:47

Building on Success

Time of First Successful Submission: 2026-10-29 06:40:33

Handling Failure

Time of First Successful Submission: 2026-10-29 06:41:29

Your First Shell Script

Time of First Successful Submission: 2026-10-29 06:47:29

Redirecting Script Output

Time of First Successful Submission: 2026-10-29 06:55:44

Executable Shell Scripts

Time of First Successful Submission: 2026-11-02 05:36:01

Understanding Shebangs

Time of First Successful Submission: 2026-11-02 05:40:22

Scripting with Arguments

Time of First Successful Submission: 2026-11-02 05:44:59

Scripting with Conditionals

Time of First Successful Submission: 2026-11-02 05:46:54

Scripting with Default Cases

Time of First Successful Submission: 2026-11-02 05:47:27

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-11-02 05:50:33

Reading Shell Scripts

Time of First Successful Submission: 2026-11-02 05:51:42

Launching Screen

Time of First Successful Submission: 2026-11-02 18:37:33

Detaching and Attaching

Time of First Successful Submission: 2026-11-02 18:43:23

Finding Sessions

Time of First Successful Submission: 2026-11-02 18:48:27

Switching Windows

Time of First Successful Submission: 2026-11-02 18:49:25

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-11-02 19:00:49

Switching Windows (tmux)

Time of First Successful Submission: 2026-11-02 19:02:08

The PATH Variable

Time of First Successful Submission: 2026-11-02 19:16:57

Setting PATH

Time of First Successful Submission: 2026-11-02 19:18:32

Finding Commands

Time of First Successful Submission: 2026-11-02 19:23:04

Adding Commands

Time of First Successful Submission: 2026-11-04 06:06:53

Hijacking Commands

Time of First Successful Submission: 2026-11-04 06:49:05

Bashrc Backdoor

Time of First Successful Submission: 2026-11-04 19:23:58

Sniffing Input

Time of First Successful Submission: 2026-11-04 19:35:11

Overshared Directories

Time of First Successful Submission: 2026-11-05 03:53:28

Tricky Linking

Time of First Successful Submission: 2026-11-10 00:19:00

Sniffing Process Arguments

Time of First Successful Submission: 2026-11-10 00:26:16

Snooping on Configurations

Time of First Successful Submission: 2026-11-10 00:41:25

The Fork Bomb

Time of First Successful Submission: 2026-11-11 06:41:23

Disk-Space Doomsday

Time of First Successful Submission: 2026-11-11 06:57:57

rm -rf /

Time of First Successful Submission: 2026-11-11 07:00:42

Life after rm -rf /

Time of First Successful Submission: 2026-11-11 07:05:23

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-11-11 07:37:26


DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-10-13 03:27:25

Using the VSCode Workspace

Time of First Successful Submission: 2026-10-13 03:30:59

Using the GUI Desktop

Time of First Successful Submission: 2026-10-13 03:35:16

Pasting into the Desktop

Time of First Successful Submission: 2026-10-13 03:37:44

Connecting over SSH

Time of First Successful Submission: 2026-10-17 01:54:23

Restarting Challenges

Time of First Successful Submission: 2026-10-17 01:55:54

Getting Help

Time of First Successful Submission: 2026-10-17 01:59:26


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-10-13 03:27:25

Using the VSCode Workspace

Time of First Successful Submission: 2026-10-13 03:30:59

Using the GUI Desktop

Time of First Successful Submission: 2026-10-13 03:35:16

Pasting into the Desktop

Time of First Successful Submission: 2026-10-13 03:37:44

Connecting over SSH

Time of First Successful Submission: 2026-10-17 01:54:23

Restarting Challenges

Time of First Successful Submission: 2026-10-17 01:55:54

Getting Help

Time of First Successful Submission: 2026-10-17 01:59:26