I0333

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-08-31 13:07:21

Command Arguments

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Command History

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The Root Path

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Absolute Paths

Time of First Successful Submission: 2026-08-31 19:02:28

Changing position

Time of First Successful Submission: 2026-09-01 03:07:06

Changing to an Absolute Path

Time of First Successful Submission: 2026-09-01 03:09:20

Relative Paths

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Cat

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Ls

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Ls All

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Find

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Piping Echo

Time of First Successful Submission: 2026-09-09 13:39:57

Piping Stdout

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Piping Stdin

Time of First Successful Submission: 2026-09-10 15:54:41

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-08-28 16:58:52

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-31 13:13:12

Using the GUI Desktop

Time of First Successful Submission: 2026-08-31 13:14:52

Pasting into the Desktop

Time of First Successful Submission: 2026-08-31 13:16:43

Restarting Challenges

Time of First Successful Submission: 2026-08-31 13:18:30

Challenge Programs

Time of First Successful Submission: 2026-08-31 13:19:57

The Flag File

Time of First Successful Submission: 2026-08-31 13:21:39

Using Privileged Mode

Time of First Successful Submission: 2026-08-31 13:26:33

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-31 13:47:20

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-31 13:48:29

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-08-31 13:07:21

Intro to Arguments

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Command History

Time of First Successful Submission: 2026-08-31 13:10:31

The Root

Time of First Successful Submission: 2026-08-31 13:50:06

Program and absolute paths

Time of First Successful Submission: 2026-08-31 19:02:28

Position thy self

Time of First Successful Submission: 2026-09-01 03:07:06

Position elsewhere

Time of First Successful Submission: 2026-09-01 03:09:20

implicit relative paths, from /

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explicit relative paths, from /

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implicit relative path

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home sweet home

Time of First Successful Submission: 2026-09-01 13:44:18

cat: not the pet, but the command!

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catting absolute paths

Time of First Successful Submission: 2026-09-01 14:14:21

more catting practice

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grepping for a needle in a haystack

Time of First Successful Submission: 2026-09-01 14:17:51

comparing files

Time of First Successful Submission: 2026-09-01 15:08:10

listing files

Time of First Successful Submission: 2026-09-01 15:12:57

touching files

Time of First Successful Submission: 2026-09-01 15:16:34

removing files

Time of First Successful Submission: 2026-09-01 15:52:54

moving files

Time of First Successful Submission: 2026-09-01 15:54:38

copying files

Time of First Successful Submission: 2026-09-01 15:56:27

hidden files

Time of First Successful Submission: 2026-09-01 15:59:07

An Epic Filesystem Quest

Time of First Successful Submission: 2026-09-01 23:24:26

making directories

Time of First Successful Submission: 2026-09-01 23:49:37

finding files

Time of First Successful Submission: 2026-09-01 23:56:06

linking files

Time of First Successful Submission: 2026-09-04 00:06:49

Learning From Documentation

Time of First Successful Submission: 2026-09-02 18:00:23

Learning Complex Usage

Time of First Successful Submission: 2026-09-03 14:03:33

Reading Manuals

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Searching Manuals

Time of First Successful Submission: 2026-09-03 14:10:16

Searching For Manuals

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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: 2026-09-07 22:27:01

Multiple globs

Time of First Successful Submission: 2026-09-09 12:48:11

Mixing globs

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Exclusionary globbing

Time of First Successful Submission: 2026-09-09 13:25:47

Tab completion

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Multiple options for tab completion

Time of First Successful Submission: 2026-09-09 13:36:22

Tab completion on commands

Time of First Successful Submission: 2026-09-09 13:38:06

Redirecting output

Time of First Successful Submission: 2026-09-09 13:39:57

Redirecting more output

Time of First Successful Submission: 2026-09-09 13:45:27

Appending output

Time of First Successful Submission: 2026-09-09 13:51:00

Redirecting errors

Time of First Successful Submission: 2026-09-10 15:52:18

Redirecting input

Time of First Successful Submission: 2026-09-10 15:54:41

Grepping stored results

Time of First Successful Submission: 2026-09-10 15:57:12

Grepping live output

Time of First Successful Submission: 2026-09-10 16:00:22

Grepping errors

Time of First Successful Submission: 2026-09-10 16:27:23

Filtering with grep -v

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Filtering with sed

Time of First Successful Submission: 2026-09-10 16:31:43

Duplicating piped data with tee

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Process substitution for input

Time of First Successful Submission: 2026-09-10 17:38:18

Writing to multiple programs

Time of First Successful Submission: 2026-09-10 17:54:23

Split-piping stderr and stdout

Time of First Successful Submission: 2026-09-11 15:41:07

Named pipes

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Printing Variables

Time of First Successful Submission: 2026-09-10 19:00:12

Setting Variables

Time of First Successful Submission: 2026-09-10 19:04:32

Multi-word Variables

Time of First Successful Submission: 2026-09-10 19:05:39

Exporting Variables

Time of First Successful Submission: 2026-09-10 19:08:43

Printing Exported Variables

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Storing Command Output

Time of First Successful Submission: 2026-09-10 19:24:24

Reading Input

Time of First Successful Submission: 2026-09-10 19:27:54

Reading Files

Time of First Successful Submission: 2026-09-10 19:31:42

Translating characters

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Deleting characters

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Deleting newlines

Time of First Successful Submission: 2026-09-11 01:12:59

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

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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

Time of First Successful Submission: 2026-09-14 00:38:48

Using sudo

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Changing File Ownership

Time of First Successful Submission: 2026-09-14 13:09:18

Groups and Files

Time of First Successful Submission: 2026-09-14 13:11:04

Fun With Groups Names

Time of First Successful Submission: 2026-09-14 13:12:27

Changing Permissions

Time of First Successful Submission: 2026-09-14 13:24:23

Executable Files

Time of First Successful Submission: 2026-09-14 13:32:20

Permission Tweaking Practice

Time of First Successful Submission: 2026-09-14 15:36:51

Permissions Setting Practice

Time of First Successful Submission: 2026-09-14 15:40:32

The SUID Bit

Time of First Successful Submission: 2026-09-14 15:43:22

Chaining with Semicolons

Time of First Successful Submission: 2026-09-15 17:09:43

Building on Success

Time of First Successful Submission: 2026-09-15 17:11:52

Handling Failure

Time of First Successful Submission: 2026-09-15 17:13:15

Your First Shell Script

Time of First Successful Submission: 2026-09-17 16:09:37

Redirecting Script Output

Time of First Successful Submission: 2026-09-17 16:12:12

Executable Shell Scripts

Time of First Successful Submission: 2026-09-17 16:28:28

Understanding Shebangs

Time of First Successful Submission: 2026-09-17 16:32:13

Scripting with Arguments

Time of First Successful Submission: 2026-09-17 16:37:14

Scripting with Conditionals

Time of First Successful Submission: 2026-09-17 16:40:25

Scripting with Default Cases

Time of First Successful Submission: 2026-09-17 16:43:09

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-09-17 16:45:47

Reading Shell Scripts

Time of First Successful Submission: 2026-09-17 16:53:48

Launching Screen

Time of First Successful Submission: 2026-09-17 17:00:48

Detaching and Attaching

Time of First Successful Submission: 2026-09-17 17:03:10

Finding Sessions

Time of First Successful Submission: 2026-09-17 17:08:01

Switching Windows

Time of First Successful Submission: 2026-09-17 17:11:44

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-09-17 17:14:31

Switching Windows (tmux)

Time of First Successful Submission: 2026-09-17 17:16:51

The PATH Variable

Time of First Successful Submission: 2026-09-21 01:14:21

Setting PATH

Time of First Successful Submission: 2026-09-21 01:20:35

Finding Commands

Time of First Successful Submission: 2026-09-21 01:27:18

Adding Commands

Time of First Successful Submission: 2026-09-25 13:38:05

Hijacking Commands

Time of First Successful Submission: 2026-09-28 13:12:28

Bashrc Backdoor

Time of First Successful Submission: 2026-09-28 13:35:19

Sniffing Input

Time of First Successful Submission: 2026-09-28 13:44:58

Overshared Directories

Time of First Successful Submission: 2026-09-30 13:44:59

Tricky Linking

Time of First Successful Submission: 2026-09-30 14:36:23

Sniffing Process Arguments

Time of First Successful Submission: 2026-09-30 14:38:49

Snooping on Configurations

Time of First Successful Submission: 2026-09-30 14:46:37

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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DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-08-28 16:58:52

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-31 13:13:12

Using the GUI Desktop

Time of First Successful Submission: 2026-08-31 13:14:52

Pasting into the Desktop

Time of First Successful Submission: 2026-08-31 13:16:43

Restarting Challenges

Time of First Successful Submission: 2026-08-31 13:18:30

Challenge Programs

Time of First Successful Submission: 2026-08-31 13:19:57

The Flag File

Time of First Successful Submission: 2026-08-31 13:21:39

Using Privileged Mode

Time of First Successful Submission: 2026-08-31 13:26:33

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-31 13:47:20

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-31 13:48:29

GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-08-28 16:58:52

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-31 13:13:12

Using the GUI Desktop

Time of First Successful Submission: 2026-08-31 13:14:52

Pasting into the Desktop

Time of First Successful Submission: 2026-08-31 13:16:43

Restarting Challenges

Time of First Successful Submission: 2026-08-31 13:18:30

Challenge Programs

Time of First Successful Submission: 2026-08-31 13:19:57

The Flag File

Time of First Successful Submission: 2026-08-31 13:21:39

Using Privileged Mode

Time of First Successful Submission: 2026-08-31 13:26:33

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-31 13:47:20

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-31 13:48:29