skyblue

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-05-08 07:04:32

Command Arguments

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Command History

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The Root Path

Time of First Successful Submission: 2026-05-08 07:22:01

Absolute Paths

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Changing position

Time of First Successful Submission: 2026-05-08 07:24:19

Changing to an Absolute Path

Time of First Successful Submission: 2026-05-08 07:25:54

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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Start Here

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Using the Terminal

Time of First Successful Submission: 2026-05-07 09:25:39

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-07 09:27:36

Using the GUI Desktop

Time of First Successful Submission: 2026-05-07 09:32:46

Pasting into the Desktop

Time of First Successful Submission: 2026-05-07 09:34:51

Restarting Challenges

Time of First Successful Submission: 2026-05-07 10:20:59

Challenge Programs

Time of First Successful Submission: 2026-05-07 10:26:07

The Flag File

Time of First Successful Submission: 2026-05-07 10:28:50

Using Privileged Mode

Time of First Successful Submission: 2026-05-07 10:45:06

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-07 10:49:57

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-07 10:50:27


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-05-08 07:04:32

Intro to Arguments

Time of First Successful Submission: 2026-05-08 07:05:48

Command History

Time of First Successful Submission: 2026-05-08 07:06:38

The Root

Time of First Successful Submission: 2026-05-08 07:22:01

Program and absolute paths

Time of First Successful Submission: 2026-05-08 07:22:24

Position thy self

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Position elsewhere

Time of First Successful Submission: 2026-05-08 07:25:54

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: 2026-05-08 07:38:12

cat: not the pet, but the command!

Time of First Successful Submission: 2026-05-08 07:39:23

catting absolute paths

Time of First Successful Submission: 2026-05-08 07:40:21

more catting practice

Time of First Successful Submission: 2026-05-08 07:45:48

grepping for a needle in a haystack

Time of First Successful Submission: 2026-05-08 07:55:14

comparing files

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listing files

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touching files

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removing files

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moving files

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copying files

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

hidden files

Time of First Successful Submission: 2026-05-08 08:10:07

An Epic Filesystem Quest

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making directories

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finding files

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linking files

Time of First Successful Submission: 2026-05-08 08:41:38

Translating characters

Time of First Successful Submission: 2026-05-08 10:28:24

Deleting characters

Time of First Successful Submission: 2026-05-08 11:33:43

Deleting newlines

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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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Computing 101

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Your First Register

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Your First Syscall

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Exit Codes

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Building Executables

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Moving Between Registers

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Loading From Memory

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More Loading Practice

Time of First Successful Submission: 2026-05-09 10:34:50

Dereferencing Pointers

Time of First Successful Submission: 2026-05-09 10:37:14

The Stack

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Stack Offsets

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Program Arguments on the Stack

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Popping From the Stack

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Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-05-09 10:51:33

... and again!

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Newline Troubles

Time of First Successful Submission: 2026-05-09 11:01:12

Reasoning about files

Time of First Successful Submission: 2026-05-09 11:03:28

Specifying Filenames

Time of First Successful Submission: 2026-05-09 11:05:15

Binary and Hex Encoding

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More Hex

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Decoding Hex

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Decoding Practice

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Encoding Practice

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DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-05-07 09:25:39

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-07 09:27:36

Using the GUI Desktop

Time of First Successful Submission: 2026-05-07 09:32:46

Pasting into the Desktop

Time of First Successful Submission: 2026-05-07 09:34:51

Connecting over SSH

Time of First Successful Submission: 2026-05-07 10:15:25

Restarting Challenges

Time of First Successful Submission: 2026-05-07 10:20:59

Challenge Programs

Time of First Successful Submission: 2026-05-07 10:26:07

The Flag File

Time of First Successful Submission: 2026-05-07 10:28:50

Using Privileged Mode

Time of First Successful Submission: 2026-05-07 10:45:06

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-07 10:49:57

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-07 10:50:27


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-05-07 09:25:39

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-07 09:27:36

Using the GUI Desktop

Time of First Successful Submission: 2026-05-07 09:32:46

Pasting into the Desktop

Time of First Successful Submission: 2026-05-07 09:34:51

Connecting over SSH

Time of First Successful Submission: 2026-05-07 10:15:25

Restarting Challenges

Time of First Successful Submission: 2026-05-07 10:20:59

Challenge Programs

Time of First Successful Submission: 2026-05-07 10:26:07

The Flag File

Time of First Successful Submission: 2026-05-07 10:28:50

Using Privileged Mode

Time of First Successful Submission: 2026-05-07 10:45:06

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-07 10:49:57

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-07 10:50:27