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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-04-05 08:46:00

Command Arguments

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Command History

Time of First Successful Submission: 2026-04-05 08:48:29

The Root Path

Time of First Successful Submission: 2026-04-06 03:57:28

Absolute Paths

Time of First Successful Submission: 2026-04-06 03:59:16

Changing position

Time of First Successful Submission: 2026-04-06 04:00:56

Changing to an Absolute Path

Time of First Successful Submission: 2026-04-06 04:02:32

Relative Paths

Time of First Successful Submission: 2026-04-06 04:03:46

Cat

Time of First Successful Submission: 2026-04-17 11:16:16

Ls

Time of First Successful Submission: 2026-04-17 11:21:28

Ls All

Time of First Successful Submission: 2026-04-17 11:26:46

Find

Time of First Successful Submission: 2026-04-17 11:35:34


Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-04-17 11:55:43

Path Traversal 2

Time of First Successful Submission: 2026-04-17 12:02:55

CMDi 1

Time of First Successful Submission: 2026-04-17 12:07:32

CMDi 2

Time of First Successful Submission: 2026-04-17 12:09:54


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-04-05 08:33:38

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-05 08:36:26

Using the GUI Desktop

Time of First Successful Submission: 2026-04-05 08:38:32

Pasting into the Desktop

Time of First Successful Submission: 2026-04-05 08:40:21

Restarting Challenges

Time of First Successful Submission: 2026-04-05 08:32:46

Challenge Programs

Time of First Successful Submission: 2026-04-05 08:49:48

The Flag File

Time of First Successful Submission: 2026-04-05 08:51:54

Using Privileged Mode

Time of First Successful Submission: 2026-04-05 08:54:51

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-05 08:56:50

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-06 03:56:20


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-04-05 08:46:00

Intro to Arguments

Time of First Successful Submission: 2026-04-05 08:47:27

Command History

Time of First Successful Submission: 2026-04-05 08:48:29

The Root

Time of First Successful Submission: 2026-04-06 03:57:28

Program and absolute paths

Time of First Successful Submission: 2026-04-06 03:59:16

Position thy self

Time of First Successful Submission: 2026-04-06 04:00:56

Position elsewhere

Time of First Successful Submission: 2026-04-06 04:02:32

implicit relative paths, from /

Time of First Successful Submission: 2026-04-06 04:03:46

explicit relative paths, from /

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implicit relative path

Time of First Successful Submission: 2026-04-06 04:06:07

home sweet home

Time of First Successful Submission: 2026-04-06 04:08:01

cat: not the pet, but the command!

Time of First Successful Submission: 2026-04-17 11:16:16

catting absolute paths

Time of First Successful Submission: 2026-04-17 11:17:04

more catting practice

Time of First Successful Submission: 2026-04-17 11:18:21

grepping for a needle in a haystack

Time of First Successful Submission: 2026-04-17 11:19:31

comparing files

Time of First Successful Submission: 2026-04-17 11:20:39

listing files

Time of First Successful Submission: 2026-04-17 11:21:28

touching files

Time of First Successful Submission: 2026-04-17 11:22:41

removing files

Time of First Successful Submission: 2026-04-17 11:23:30

moving files

Time of First Successful Submission: 2026-04-17 11:24:50

copying files

Time of First Successful Submission: 2026-04-17 11:25:50

hidden files

Time of First Successful Submission: 2026-04-17 11:26:46

An Epic Filesystem Quest

Time of First Successful Submission: 2026-04-17 11:32:03

making directories

Time of First Successful Submission: 2026-04-17 11:32:53

finding files

Time of First Successful Submission: 2026-04-17 11:35:34

linking files

Time of First Successful Submission: 2026-04-17 11:38:30


Computing 101

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Your First Register

Time of First Successful Submission: 2026-04-06 04:12:44

Your First Syscall

Time of First Successful Submission: 2026-04-06 04:14:19

Exit Codes

Time of First Successful Submission: 2026-04-06 04:23:43

Building Executables

Time of First Successful Submission: 2026-04-06 04:26:49

Moving Between Registers

Time of First Successful Submission: 2026-04-06 04:29:45

Loading From Memory

Time of First Successful Submission: 2026-04-06 04:32:19

Dereferencing Pointers

Time of First Successful Submission: 2026-04-06 04:35:06

Dereferencing Yourself

Time of First Successful Submission: 2026-04-06 04:36:34


Content Injection

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Teacher Login

Time of First Successful Submission: 2026-04-06 05:05:31

Teacher Login 2

Time of First Successful Submission: 2026-04-06 05:14:37

Class Cancellation

Time of First Successful Submission: 2026-04-06 04:54:26

Class Cancellation 2

Time of First Successful Submission: 2026-04-06 04:57:50

Class Cancellation 3

Time of First Successful Submission: 2026-04-06 05:01:04


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-04-05 08:33:38

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-05 08:36:26

Using the GUI Desktop

Time of First Successful Submission: 2026-04-05 08:38:32

Pasting into the Desktop

Time of First Successful Submission: 2026-04-05 08:40:21

Connecting over SSH

Time of First Successful Submission: 2026-04-05 08:41:43

Restarting Challenges

Time of First Successful Submission: 2026-04-05 08:32:46

Challenge Programs

Time of First Successful Submission: 2026-04-05 08:49:48

The Flag File

Time of First Successful Submission: 2026-04-05 08:51:54

Using Privileged Mode

Time of First Successful Submission: 2026-04-05 08:54:51

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-05 08:56:50

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-06 03:56:20