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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-08-04 14:23:54

Command Arguments

Time of First Successful Submission: 2026-08-04 14:24:49

Command History

Time of First Successful Submission: 2026-08-04 14:25:53

The Root Path

Time of First Successful Submission: 2026-08-05 07:32:30

Absolute Paths

Time of First Successful Submission: 2026-08-05 07:34:23

Changing position

Time of First Successful Submission: 2026-08-05 07:38:07

Changing to an Absolute Path

Time of First Successful Submission: 2026-08-05 07:39:26

Relative Paths

Time of First Successful Submission: 2026-08-05 07:41:44

Cat

Time of First Successful Submission: 2026-08-05 07:54:40

Ls

Time of First Successful Submission: 2026-08-05 08:01:49

Ls All

Time of First Successful Submission: 2026-08-05 08:07:09

Find

Time of First Successful Submission: 2026-08-05 08:21:40

Piping Echo

Time of First Successful Submission: 2026-08-09 20:43:47

Piping Stdout

Time of First Successful Submission: 2026-08-09 20:46:27

Piping Stdin

Time of First Successful Submission: 2026-08-09 20:56:21


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-08-04 12:57:50

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-04 12:59:54

Using the GUI Desktop

Time of First Successful Submission: 2026-08-04 13:01:52

Pasting into the Desktop

Time of First Successful Submission: 2026-08-04 13:04:02

Restarting Challenges

Time of First Successful Submission: 2026-08-04 13:35:21

Challenge Programs

Time of First Successful Submission: 2026-08-04 13:51:29

The Flag File

Time of First Successful Submission: 2026-08-04 13:53:25

Using Privileged Mode

Time of First Successful Submission: 2026-08-04 14:01:13

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-04 14:03:42

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-04 14:04:17


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-08-04 14:23:54

Intro to Arguments

Time of First Successful Submission: 2026-08-04 14:24:49

Command History

Time of First Successful Submission: 2026-08-04 14:25:53

The Root

Time of First Successful Submission: 2026-08-05 07:32:30

Program and absolute paths

Time of First Successful Submission: 2026-08-05 07:34:23

Position thy self

Time of First Successful Submission: 2026-08-05 07:38:07

Position elsewhere

Time of First Successful Submission: 2026-08-05 07:39:26

implicit relative paths, from /

Time of First Successful Submission: 2026-08-05 07:41:44

explicit relative paths, from /

Time of First Successful Submission: 2026-08-05 07:44:09

implicit relative path

Time of First Successful Submission: 2026-08-05 07:45:00

home sweet home

Time of First Successful Submission: 2026-08-05 07:47:55

cat: not the pet, but the command!

Time of First Successful Submission: 2026-08-05 07:54:40

catting absolute paths

Time of First Successful Submission: 2026-08-05 07:55:09

more catting practice

Time of First Successful Submission: 2026-08-05 07:57:33

grepping for a needle in a haystack

Time of First Successful Submission: 2026-08-05 07:58:54

comparing files

Time of First Successful Submission: 2026-08-05 08:00:47

listing files

Time of First Successful Submission: 2026-08-05 08:01:49

touching files

Time of First Successful Submission: 2026-08-05 08:03:23

removing files

Time of First Successful Submission: 2026-08-05 08:04:09

moving files

Time of First Successful Submission: 2026-08-05 08:05:17

copying files

Time of First Successful Submission: 2026-08-05 08:06:35

hidden files

Time of First Successful Submission: 2026-08-05 08:07:09

An Epic Filesystem Quest

Time of First Successful Submission: 2026-08-05 08:15:36

making directories

Time of First Successful Submission: 2026-08-05 08:16:35

finding files

Time of First Successful Submission: 2026-08-05 08:21:40

linking files

Time of First Successful Submission: 2026-08-05 08:40:28

Learning From Documentation

Time of First Successful Submission: 2026-08-05 18:33:51

Learning Complex Usage

Time of First Successful Submission: 2026-08-05 18:36:06

Reading Manuals

Time of First Successful Submission: 2026-08-05 18:39:50

Searching Manuals

Time of First Successful Submission: 2026-08-05 18:42:07

Searching For Manuals

Time of First Successful Submission: 2026-08-09 18:14:24

Helpful Programs

Time of First Successful Submission: 2026-08-09 18:15:56

Help for Builtins

Time of First Successful Submission: 2026-08-09 18:17:26

Matching with *

Time of First Successful Submission: 2026-08-09 18:19:42

Matching with ?

Time of First Successful Submission: 2026-08-09 18:20:50

Matching with []

Time of First Successful Submission: 2026-08-09 18:22:18

Matching paths with []

Time of First Successful Submission: 2026-08-09 18:23:47

Multiple globs

Time of First Successful Submission: 2026-08-09 18:24:49

Mixing globs

Time of First Successful Submission: 2026-08-09 18:28:04

Exclusionary globbing

Time of First Successful Submission: 2026-08-09 18:29:48

Tab completion

Time of First Successful Submission: 2026-08-09 18:30:53

Multiple options for tab completion

Time of First Successful Submission: 2026-08-09 18:32:50

Tab completion on commands

Time of First Successful Submission: 2026-08-09 18:33:18

Redirecting output

Time of First Successful Submission: 2026-08-09 20:43:47

Redirecting more output

Time of First Successful Submission: 2026-08-09 20:46:27

Appending output

Time of First Successful Submission: 2026-08-09 20:48:49

Redirecting errors

Time of First Successful Submission: 2026-08-09 20:54:08

Redirecting input

Time of First Successful Submission: 2026-08-09 20:56:21

Grepping stored results

Time of First Successful Submission: 2026-08-09 21:05:31

Grepping live output

Time of First Successful Submission: 2026-08-09 21:06:45

Grepping errors

Time of First Successful Submission: 2026-08-09 21:08:21

Filtering with grep -v

Time of First Successful Submission: 2026-08-09 21:09:19

Filtering with sed

Time of First Successful Submission: 2026-08-09 21:12:13

Duplicating piped data with tee

Time of First Successful Submission: 2026-08-09 21:15:58

Process substitution for input

Time of First Successful Submission: 2026-08-09 21:19:59

Writing to multiple programs

Time of First Successful Submission: 2026-08-09 21:24:59

Split-piping stderr and stdout

Time of First Successful Submission: 2026-08-09 21:44:04

Named pipes

Time of First Successful Submission: 2026-08-09 21:51:06

Printing Variables

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

Setting Variables

Time of First Successful Submission: 2026-08-10 09:12:13

Multi-word Variables

Time of First Successful Submission: 2026-08-10 09:13:31

Exporting Variables

Time of First Successful Submission: 2026-08-10 09:19:22

Printing Exported Variables

Time of First Successful Submission: 2026-08-10 09:20:01

Storing Command Output

Time of First Successful Submission: 2026-08-10 09:21:41

Reading Input

Time of First Successful Submission: 2026-08-10 09:23:31

Reading Files

Time of First Successful Submission: 2026-08-10 09:25:24

Translating characters

Time of First Successful Submission: 2026-08-10 09:33:33

Deleting characters

Time of First Successful Submission: 2026-08-10 09:34:18

Deleting newlines

Time of First Successful Submission: 2026-08-10 09:35:30

Extracting the first lines with head

Time of First Successful Submission: 2026-08-10 09:36:44

Extracting specific sections of text

Time of First Successful Submission: 2026-08-10 09:38:53

Sorting data

Time of First Successful Submission: 2026-08-10 09:40:25

Listing Processes

Time of First Successful Submission: 2026-08-10 20:20:21

Killing Processes

Time of First Successful Submission: 2026-08-10 20:21:58

Interrupting Processes

Time of First Successful Submission: 2026-08-10 20:22:35

Killing Misbehaving Processes

Time of First Successful Submission: 2026-08-10 20:26:53

Suspending Processes

Time of First Successful Submission: 2026-08-10 20:27:53

Resuming Processes

Time of First Successful Submission: 2026-08-10 20:28:41

Backgrounding Processes

Time of First Successful Submission: 2026-08-10 20:30:40

Foregrounding Processes

Time of First Successful Submission: 2026-08-10 20:32:22

Starting Backgrounded Processes

Time of First Successful Submission: 2026-08-10 20:35:13

Process Exit Codes

Time of First Successful Submission: 2026-08-10 20:36:27

Becoming root with su

Time of First Successful Submission: 2026-08-12 19:11:43

Other users with su

Time of First Successful Submission: 2026-08-12 19:12:30

Cracking passwords

Time of First Successful Submission: 2026-08-12 19:16:53

Using sudo

Time of First Successful Submission: 2026-08-12 19:18:45

Changing File Ownership

Time of First Successful Submission: 2026-08-14 17:37:44

Groups and Files

Time of First Successful Submission: 2026-08-14 17:42:12

Fun With Groups Names

Time of First Successful Submission: 2026-08-14 17:43:35

Changing Permissions

Time of First Successful Submission: 2026-08-14 17:47:32

Executable Files

Time of First Successful Submission: 2026-08-14 17:51:05

Permission Tweaking Practice

Time of First Successful Submission: 2026-08-14 18:01:20

Permissions Setting Practice

Time of First Successful Submission: 2026-08-14 18:05:55

The SUID Bit

Time of First Successful Submission: 2026-08-14 18:09:14

Chaining with Semicolons

Time of First Successful Submission: 2026-08-15 10:11:07

Building on Success

Time of First Successful Submission: 2026-08-15 10:13:28

Handling Failure

Time of First Successful Submission: 2026-08-15 10:14:42

Your First Shell Script

Time of First Successful Submission: 2026-08-15 10:16:50

Redirecting Script Output

Time of First Successful Submission: 2026-08-15 10:22:20

Executable Shell Scripts

Time of First Successful Submission: 2026-08-15 10:25:03

Understanding Shebangs

Time of First Successful Submission: 2026-08-15 10:30:19

Scripting with Arguments

Time of First Successful Submission: 2026-08-15 10:32:58

Scripting with Conditionals

Time of First Successful Submission: 2026-08-15 10:41:22

Scripting with Default Cases

Time of First Successful Submission: 2026-08-15 10:42:26

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-08-15 10:45:53

Reading Shell Scripts

Time of First Successful Submission: 2026-08-15 10:48:15

Launching Screen

Time of First Successful Submission: 2026-08-15 16:49:08

Detaching and Attaching

Time of First Successful Submission: 2026-08-15 16:51:42

Finding Sessions

Time of First Successful Submission: 2026-08-15 16:54:03

Switching Windows

Time of First Successful Submission: 2026-08-15 16:55:58

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-08-15 16:58:53

Switching Windows (tmux)

Time of First Successful Submission: 2026-08-15 16:59:46

The PATH Variable

Time of First Successful Submission: 2026-08-15 17:03:48

Setting PATH

Time of First Successful Submission: 2026-08-15 17:05:59

Finding Commands

Time of First Successful Submission: 2026-08-15 17:08:13

Adding Commands

Time of First Successful Submission: 2026-08-15 17:24:20

Hijacking Commands

Time of First Successful Submission: 2026-08-15 17:47:58

Bashrc Backdoor

Time of First Successful Submission: 2026-08-15 19:02:36

Sniffing Input

Time of First Successful Submission: 2026-08-15 19:08:03

Overshared Directories

Time of First Successful Submission: 2026-08-15 19:21:35

Tricky Linking

Time of First Successful Submission: 2026-08-15 19:35:22

Sniffing Process Arguments

Time of First Successful Submission: 2026-08-15 20:06:59

Snooping on Configurations

Time of First Successful Submission: 2026-08-15 20:13:22

The Fork Bomb

Time of First Successful Submission: 2026-08-16 07:15:26

Disk-Space Doomsday

Time of First Successful Submission: 2026-08-16 07:17:44

rm -rf /

Time of First Successful Submission: 2026-08-16 07:20:47

Life after rm -rf /

Time of First Successful Submission: 2026-08-16 07:28:29

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-08-16 07:32:56


DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-08-04 12:57:50

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-04 12:59:54

Using the GUI Desktop

Time of First Successful Submission: 2026-08-04 13:01:52

Pasting into the Desktop

Time of First Successful Submission: 2026-08-04 13:04:02

Connecting over SSH

Time of First Successful Submission: 2026-08-04 13:33:21

Restarting Challenges

Time of First Successful Submission: 2026-08-04 13:35:21

Challenge Programs

Time of First Successful Submission: 2026-08-04 13:51:29

The Flag File

Time of First Successful Submission: 2026-08-04 13:53:25

Using Privileged Mode

Time of First Successful Submission: 2026-08-04 14:01:13

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-04 14:03:42

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-04 14:04:17


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-08-04 12:57:50

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-04 12:59:54

Using the GUI Desktop

Time of First Successful Submission: 2026-08-04 13:01:52

Pasting into the Desktop

Time of First Successful Submission: 2026-08-04 13:04:02

Connecting over SSH

Time of First Successful Submission: 2026-08-04 13:33:21

Restarting Challenges

Time of First Successful Submission: 2026-08-04 13:35:21

Challenge Programs

Time of First Successful Submission: 2026-08-04 13:51:29

The Flag File

Time of First Successful Submission: 2026-08-04 13:53:25

Using Privileged Mode

Time of First Successful Submission: 2026-08-04 14:01:13

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-04 14:03:42

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-04 14:04:17