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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-08-25 23:19:50

Command Arguments

Time of First Successful Submission: 2026-08-25 23:22:17

Command History

Time of First Successful Submission: 2026-08-25 23:23:48

The Root Path

Time of First Successful Submission: 2026-08-25 23:27:18

Absolute Paths

Time of First Successful Submission: 2026-08-25 23:30:38

Changing position

Time of First Successful Submission: 2026-08-25 23:34:11

Changing to an Absolute Path

Time of First Successful Submission: 2026-08-25 23:36:18

Relative Paths

Time of First Successful Submission: 2026-08-25 23:40:06

Cat

Time of First Successful Submission: 2026-08-25 23:52:17

Ls

Time of First Successful Submission: 2026-08-26 00:03:22

Ls All

Time of First Successful Submission: 2026-08-26 00:13:15

Find

Time of First Successful Submission: 2026-08-26 00:28:09

Piping Echo

Time of First Successful Submission: 2026-09-01 08:29:39

Piping Stdout

Time of First Successful Submission: 2026-09-01 08:32:17

Piping Stdin

Time of First Successful Submission: 2026-09-01 08:40:19


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-08-22 13:38:02

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-22 13:43:12

Using the GUI Desktop

Time of First Successful Submission: 2026-08-22 13:49:34

Pasting into the Desktop

Time of First Successful Submission: 2026-08-22 15:57:36

Restarting Challenges

Time of First Successful Submission: 2026-08-22 16:20:04

Challenge Programs

Time of First Successful Submission: 2026-08-22 16:36:12

The Flag File

Time of First Successful Submission: 2026-08-22 16:48:42

Using Privileged Mode

Time of First Successful Submission: 2026-08-22 16:56:14

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-22 17:00:17

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-22 17:01:42


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-08-25 23:19:50

Intro to Arguments

Time of First Successful Submission: 2026-08-25 23:22:17

Command History

Time of First Successful Submission: 2026-08-25 23:23:48

The Root

Time of First Successful Submission: 2026-08-25 23:27:18

Program and absolute paths

Time of First Successful Submission: 2026-08-25 23:30:38

Position thy self

Time of First Successful Submission: 2026-08-25 23:34:11

Position elsewhere

Time of First Successful Submission: 2026-08-25 23:36:18

implicit relative paths, from /

Time of First Successful Submission: 2026-08-25 23:40:06

explicit relative paths, from /

Time of First Successful Submission: 2026-08-25 23:43:53

implicit relative path

Time of First Successful Submission: 2026-08-25 23:44:26

home sweet home

Time of First Successful Submission: 2026-08-25 23:51:14

cat: not the pet, but the command!

Time of First Successful Submission: 2026-08-25 23:52:17

catting absolute paths

Time of First Successful Submission: 2026-08-25 23:54:32

more catting practice

Time of First Successful Submission: 2026-08-25 23:56:24

grepping for a needle in a haystack

Time of First Successful Submission: 2026-08-25 23:58:11

comparing files

Time of First Successful Submission: 2026-08-26 00:00:58

listing files

Time of First Successful Submission: 2026-08-26 00:03:22

touching files

Time of First Successful Submission: 2026-08-26 00:05:37

removing files

Time of First Successful Submission: 2026-08-26 00:07:01

moving files

Time of First Successful Submission: 2026-08-26 00:10:06

copying files

Time of First Successful Submission: 2026-08-26 00:12:08

hidden files

Time of First Successful Submission: 2026-08-26 00:13:15

An Epic Filesystem Quest

Time of First Successful Submission: 2026-08-26 00:23:04

making directories

Time of First Successful Submission: 2026-08-26 00:25:36

finding files

Time of First Successful Submission: 2026-08-26 00:28:09

linking files

Time of First Successful Submission: 2026-08-26 00:40:08

Learning From Documentation

Time of First Successful Submission: 2026-08-26 12:55:49

Learning Complex Usage

Time of First Successful Submission: 2026-08-26 13:01:17

Reading Manuals

Time of First Successful Submission: 2026-08-26 13:06:07

Searching Manuals

Time of First Successful Submission: 2026-08-26 13:09:16

Searching For Manuals

Time of First Successful Submission: 2026-08-26 13:13:49

Helpful Programs

Time of First Successful Submission: 2026-08-26 13:19:08

Help for Builtins

Time of First Successful Submission: 2026-08-26 13:22:24

Matching with *

Time of First Successful Submission: 2026-08-26 13:31:15

Matching with ?

Time of First Successful Submission: 2026-08-26 13:32:13

Matching with []

Time of First Successful Submission: 2026-08-26 13:34:30

Matching paths with []

Time of First Successful Submission: 2026-08-26 13:35:43

Multiple globs

Time of First Successful Submission: 2026-09-01 07:59:53

Mixing globs

Time of First Successful Submission: 2026-09-01 08:03:00

Exclusionary globbing

Time of First Successful Submission: 2026-09-01 08:07:25

Tab completion

Time of First Successful Submission: 2026-09-01 08:09:46

Multiple options for tab completion

Time of First Successful Submission: 2026-09-01 08:15:18

Tab completion on commands

Time of First Successful Submission: 2026-09-01 08:16:16

Redirecting output

Time of First Successful Submission: 2026-09-01 08:29:39

Redirecting more output

Time of First Successful Submission: 2026-09-01 08:32:17

Appending output

Time of First Successful Submission: 2026-09-01 08:35:04

Redirecting errors

Time of First Successful Submission: 2026-09-01 08:37:55

Redirecting input

Time of First Successful Submission: 2026-09-01 08:40:19

Grepping stored results

Time of First Successful Submission: 2026-09-01 08:43:45

Grepping live output

Time of First Successful Submission: 2026-09-01 08:44:47

Grepping errors

Time of First Successful Submission: 2026-09-01 08:46:08

Filtering with grep -v

Time of First Successful Submission: 2026-09-01 08:47:19

Filtering with sed

Time of First Successful Submission: 2026-09-01 08:49:20

Duplicating piped data with tee

Time of First Successful Submission: 2026-09-01 08:52:41

Process substitution for input

Time of First Successful Submission: 2026-09-03 10:33:37

Writing to multiple programs

Time of First Successful Submission: 2026-09-03 10:39:01

Split-piping stderr and stdout

Time of First Successful Submission: 2026-09-03 10:41:04

Named pipes

Time of First Successful Submission: 2026-09-03 10:42:48

Printing Variables

Time of First Successful Submission: 2026-09-03 10:47:00

Setting Variables

Time of First Successful Submission: 2026-09-03 10:49:45

Multi-word Variables

Time of First Successful Submission: 2026-09-03 10:50:32

Exporting Variables

Time of First Successful Submission: 2026-09-03 10:53:20

Printing Exported Variables

Time of First Successful Submission: 2026-09-03 10:55:07

Storing Command Output

Time of First Successful Submission: 2026-09-03 10:57:21

Reading Input

Time of First Successful Submission: 2026-09-03 10:58:53

Reading Files

Time of First Successful Submission: 2026-09-03 10:59:42

Translating characters

Time of First Successful Submission: 2026-09-03 15:42:00

Deleting characters

Time of First Successful Submission: 2026-09-03 15:43:44

Deleting newlines

Time of First Successful Submission: 2026-09-03 15:45:05

Extracting the first lines with head

Time of First Successful Submission: 2026-09-03 15:46:09

Extracting specific sections of text

Time of First Successful Submission: 2026-09-04 16:39:06

Sorting data

Time of First Successful Submission: 2026-09-04 16:45:52

Listing Processes

Time of First Successful Submission: 2026-09-04 16:54:14

Killing Processes

Time of First Successful Submission: 2026-09-04 16:56:14

Interrupting Processes

Time of First Successful Submission: 2026-09-04 16:57:00

Killing Misbehaving Processes

Time of First Successful Submission: 2026-09-04 17:03:29

Suspending Processes

Time of First Successful Submission: 2026-09-04 17:05:16

Resuming Processes

Time of First Successful Submission: 2026-09-04 17:07:47

Backgrounding Processes

Time of First Successful Submission: 2026-09-04 17:12:38

Foregrounding Processes

Time of First Successful Submission: 2026-09-04 17:14:31

Starting Backgrounded Processes

Time of First Successful Submission: 2026-09-04 17:16:07

Process Exit Codes

Time of First Successful Submission: 2026-09-04 17:20:08

Becoming root with su

Time of First Successful Submission: 2026-09-04 17:27:36

Other users with su

Time of First Successful Submission: 2026-09-04 17:29:50

Cracking passwords

Time of First Successful Submission: 2026-09-04 17:36:47

Using sudo

Time of First Successful Submission: 2026-09-04 17:39:13

Changing File Ownership

Time of First Successful Submission: 2026-09-05 03:44:19

Groups and Files

Time of First Successful Submission: 2026-09-05 03:53:39

Fun With Groups Names

Time of First Successful Submission: 2026-09-05 03:57:10

Changing Permissions

Time of First Successful Submission: 2026-09-05 04:09:07

Executable Files

Time of First Successful Submission: 2026-09-05 04:11:38

Permission Tweaking Practice

Time of First Successful Submission: 2026-09-05 04:23:31

Permissions Setting Practice

Time of First Successful Submission: 2026-09-05 04:30:46

The SUID Bit

Time of First Successful Submission: 2026-09-05 04:36:45

Chaining with Semicolons

Time of First Successful Submission: 2026-09-05 04:41:11

Building on Success

Time of First Successful Submission: 2026-09-05 04:42:15

Handling Failure

Time of First Successful Submission: 2026-09-05 04:43:18

Your First Shell Script

Time of First Successful Submission: 2026-09-05 04:48:29

Redirecting Script Output

Time of First Successful Submission: 2026-09-05 04:52:59

Executable Shell Scripts

Time of First Successful Submission: 2026-09-05 04:56:42

Understanding Shebangs

Time of First Successful Submission: 2026-09-05 05:03:00

Scripting with Arguments

Time of First Successful Submission: 2026-09-05 05:05:59

Scripting with Conditionals

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

Scripting with Default Cases

Time of First Successful Submission: 2026-09-05 05:11:04

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-09-05 05:17:21

Reading Shell Scripts

Time of First Successful Submission: 2026-09-05 05:22:07

Launching Screen

Time of First Successful Submission: 2026-09-05 05:32:44

Detaching and Attaching

Time of First Successful Submission: 2026-09-05 05:38:08

Finding Sessions

Time of First Successful Submission: 2026-09-05 06:13:09

Switching Windows

Time of First Successful Submission: 2026-09-05 08:11:19

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-09-05 08:13:59

Switching Windows (tmux)

Time of First Successful Submission: 2026-09-05 08:15:54

The PATH Variable

Time of First Successful Submission: 2026-09-05 08:20:26

Setting PATH

Time of First Successful Submission: 2026-09-05 08:24:22

Finding Commands

Time of First Successful Submission: 2026-09-05 08:26:34

Adding Commands

Time of First Successful Submission: 2026-09-05 08:39:31

Hijacking Commands

Time of First Successful Submission: 2026-09-05 08:47:37

Bashrc Backdoor

Time of First Successful Submission: 2026-09-05 08:53:30

Sniffing Input

Time of First Successful Submission: 2026-09-05 09:17:20

Overshared Directories

Time of First Successful Submission: 2026-09-05 09:25:14

Tricky Linking

Time of First Successful Submission: 2026-09-05 09:32:59

Sniffing Process Arguments

Time of First Successful Submission: 2026-09-05 09:38:35

Snooping on Configurations

Time of First Successful Submission: 2026-09-05 09:43:43

The Fork Bomb

Time of First Successful Submission: 2026-09-05 10:02:55

Disk-Space Doomsday

Time of First Successful Submission: 2026-09-05 10:06:10

rm -rf /

Time of First Successful Submission: 2026-09-05 10:09:59

Life after rm -rf /

Time of First Successful Submission: 2026-09-05 10:12:51

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-09-05 10:16:31


DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-08-22 13:38:02

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-22 13:43:12

Using the GUI Desktop

Time of First Successful Submission: 2026-08-22 13:49:34

Pasting into the Desktop

Time of First Successful Submission: 2026-08-22 15:57:36

Connecting over SSH

Time of First Successful Submission: 2026-08-22 16:15:04

Restarting Challenges

Time of First Successful Submission: 2026-08-22 16:20:04

Challenge Programs

Time of First Successful Submission: 2026-08-22 16:36:12

The Flag File

Time of First Successful Submission: 2026-08-22 16:48:42

Using Privileged Mode

Time of First Successful Submission: 2026-08-22 16:56:14

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-22 17:00:17

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-22 17:01:42


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-08-22 13:38:02

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-22 13:43:12

Using the GUI Desktop

Time of First Successful Submission: 2026-08-22 13:49:34

Pasting into the Desktop

Time of First Successful Submission: 2026-08-22 15:57:36

Connecting over SSH

Time of First Successful Submission: 2026-08-22 16:15:04

Restarting Challenges

Time of First Successful Submission: 2026-08-22 16:20:04

Challenge Programs

Time of First Successful Submission: 2026-08-22 16:36:12

The Flag File

Time of First Successful Submission: 2026-08-22 16:48:42

Using Privileged Mode

Time of First Successful Submission: 2026-08-22 16:56:14

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-22 17:00:17

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-22 17:01:42