d3ymn

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-09-01 19:53:25

Command Arguments

Time of First Successful Submission: 2026-09-01 19:54:03

Command History

Time of First Successful Submission: 2026-09-01 20:01:14

The Root Path

Time of First Successful Submission: 2026-09-01 20:02:20

Absolute Paths

Time of First Successful Submission: 2026-09-01 20:04:05

Changing position

Time of First Successful Submission: 2026-09-01 20:04:45

Changing to an Absolute Path

Time of First Successful Submission: 2026-09-01 20:06:41

Relative Paths

Time of First Successful Submission: 2026-09-01 20:07:23

Cat

Time of First Successful Submission: 2026-09-01 20:24:12

Ls

Time of First Successful Submission: 2026-09-01 20:28:51

Ls All

Time of First Successful Submission: 2026-09-01 20:41:32

Find

Time of First Successful Submission: 2026-09-01 20:55:04

Piping Echo

Time of First Successful Submission: 2026-09-01 21:50:02

Piping Stdout

Time of First Successful Submission: 2026-09-01 21:51:44

Piping Stdin

Time of First Successful Submission: 2026-09-02 12:41:34


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-09-01 16:43:09

Using the VSCode Workspace

Time of First Successful Submission: 2026-09-01 17:22:23

Using the GUI Desktop

Time of First Successful Submission: 2026-09-01 17:24:23

Pasting into the Desktop

Time of First Successful Submission: 2026-09-01 19:34:02

Restarting Challenges

Time of First Successful Submission: 2026-09-01 18:19:16

Challenge Programs

Time of First Successful Submission: 2026-09-01 18:23:56

The Flag File

Time of First Successful Submission: 2026-09-01 19:21:47

Using Privileged Mode

Time of First Successful Submission: 2026-09-01 19:40:14

Persistent Home Directories - One

Time of First Successful Submission: 2026-09-01 19:44:07

Persistent Home Directories - Two

Time of First Successful Submission: 2026-09-01 19:44:58


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-09-01 19:53:25

Intro to Arguments

Time of First Successful Submission: 2026-09-01 19:54:03

Command History

Time of First Successful Submission: 2026-09-01 20:01:14

The Root

Time of First Successful Submission: 2026-09-01 20:02:20

Program and absolute paths

Time of First Successful Submission: 2026-09-01 20:04:05

Position thy self

Time of First Successful Submission: 2026-09-01 20:04:45

Position elsewhere

Time of First Successful Submission: 2026-09-01 20:06:41

implicit relative paths, from /

Time of First Successful Submission: 2026-09-01 20:07:23

explicit relative paths, from /

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

implicit relative path

Time of First Successful Submission: 2026-09-01 20:10:03

home sweet home

Time of First Successful Submission: 2026-09-01 20:16:45

cat: not the pet, but the command!

Time of First Successful Submission: 2026-09-01 20:24:12

catting absolute paths

Time of First Successful Submission: 2026-09-01 20:24:41

more catting practice

Time of First Successful Submission: 2026-09-01 20:25:58

grepping for a needle in a haystack

Time of First Successful Submission: 2026-09-01 20:26:46

comparing files

Time of First Successful Submission: 2026-09-01 20:27:56

listing files

Time of First Successful Submission: 2026-09-01 20:28:51

touching files

Time of First Successful Submission: 2026-09-01 20:29:34

removing files

Time of First Successful Submission: 2026-09-01 20:36:25

moving files

Time of First Successful Submission: 2026-09-01 20:38:01

copying files

Time of First Successful Submission: 2026-09-01 20:40:28

hidden files

Time of First Successful Submission: 2026-09-01 20:41:32

An Epic Filesystem Quest

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

making directories

Time of First Successful Submission: 2026-09-01 20:52:01

finding files

Time of First Successful Submission: 2026-09-01 20:55:04

linking files

Time of First Successful Submission: 2026-09-01 20:57:03

Learning From Documentation

Time of First Successful Submission: 2026-09-01 21:03:07

Learning Complex Usage

Time of First Successful Submission: 2026-09-01 21:04:00

Reading Manuals

Time of First Successful Submission: 2026-09-01 21:05:27

Searching Manuals

Time of First Successful Submission: 2026-09-01 21:06:32

Searching For Manuals

Time of First Successful Submission: 2026-09-01 21:10:36

Helpful Programs

Time of First Successful Submission: 2026-09-01 21:11:34

Help for Builtins

Time of First Successful Submission: 2026-09-01 21:13:29

Matching with *

Time of First Successful Submission: 2026-09-01 21:15:51

Matching with ?

Time of First Successful Submission: 2026-09-01 21:16:50

Matching with []

Time of First Successful Submission: 2026-09-01 21:26:53

Matching paths with []

Time of First Successful Submission: 2026-09-01 21:28:30

Multiple globs

Time of First Successful Submission: 2026-09-01 21:32:02

Mixing globs

Time of First Successful Submission: 2026-09-01 21:39:37

Exclusionary globbing

Time of First Successful Submission: 2026-09-01 21:41:09

Tab completion

Time of First Successful Submission: 2026-09-01 21:42:07

Multiple options for tab completion

Time of First Successful Submission: 2026-09-01 21:47:09

Tab completion on commands

Time of First Successful Submission: 2026-09-01 21:47:59

Redirecting output

Time of First Successful Submission: 2026-09-01 21:50:02

Redirecting more output

Time of First Successful Submission: 2026-09-01 21:51:44

Appending output

Time of First Successful Submission: 2026-09-01 21:53:13

Redirecting errors

Time of First Successful Submission: 2026-09-02 12:38:34

Redirecting input

Time of First Successful Submission: 2026-09-02 12:41:34

Grepping stored results

Time of First Successful Submission: 2026-09-02 12:43:16

Grepping live output

Time of First Successful Submission: 2026-09-02 12:43:50

Grepping errors

Time of First Successful Submission: 2026-09-02 12:45:34

Filtering with grep -v

Time of First Successful Submission: 2026-09-02 12:46:34

Filtering with sed

Time of First Successful Submission: 2026-09-02 12:48:44

Duplicating piped data with tee

Time of First Successful Submission: 2026-09-02 13:07:39

Process substitution for input

Time of First Successful Submission: 2026-09-02 13:12:22

Writing to multiple programs

Time of First Successful Submission: 2026-09-02 14:22:39

Split-piping stderr and stdout

Time of First Successful Submission: 2026-09-02 22:27:44

Named pipes

Time of First Successful Submission: 2026-09-02 22:38:28

Printing Variables

Time of First Successful Submission: 2026-09-02 22:39:26

Setting Variables

Time of First Successful Submission: 2026-09-02 22:40:43

Multi-word Variables

Time of First Successful Submission: 2026-09-02 22:42:05

Exporting Variables

Time of First Successful Submission: 2026-09-02 22:46:48

Printing Exported Variables

Time of First Successful Submission: 2026-09-02 22:48:34

Storing Command Output

Time of First Successful Submission: 2026-09-02 22:51:37

Reading Input

Time of First Successful Submission: 2026-09-02 23:01:00

Reading Files

Time of First Successful Submission: 2026-09-02 23:08:54

Translating characters

Time of First Successful Submission: 2026-09-02 23:17:00

Deleting characters

Time of First Successful Submission: 2026-09-02 23:17:47

Deleting newlines

Time of First Successful Submission: 2026-09-02 23:23:46

Extracting the first lines with head

Time of First Successful Submission: 2026-09-02 23:31:20

Extracting specific sections of text

Time of First Successful Submission: 2026-09-02 23:34:15

Sorting data

Time of First Successful Submission: 2026-09-02 23:37:23

Listing Processes

Time of First Successful Submission: 2026-09-04 12:40:15

Killing Processes

Time of First Successful Submission: 2026-09-04 12:53:18

Interrupting Processes

Time of First Successful Submission: 2026-09-04 12:53:57

Killing Misbehaving Processes

Time of First Successful Submission: 2026-09-04 12:58:27

Suspending Processes

Time of First Successful Submission: 2026-09-04 20:14:28

Resuming Processes

Time of First Successful Submission: 2026-09-04 20:17:14

Backgrounding Processes

Time of First Successful Submission: 2026-09-04 20:28:49

Foregrounding Processes

Time of First Successful Submission: 2026-09-04 20:31:40

Starting Backgrounded Processes

Time of First Successful Submission: 2026-09-04 20:32:30

Process Exit Codes

Time of First Successful Submission: 2026-09-04 20:35:09

Becoming root with su

Time of First Successful Submission: 2026-09-07 16:55:02

Other users with su

Time of First Successful Submission: 2026-09-07 16:56:24

Cracking passwords

Time of First Successful Submission: 2026-09-07 17:21:34

Using sudo

Time of First Successful Submission: 2026-09-07 17:25:47

Changing File Ownership

Time of First Successful Submission: 2026-09-09 13:51:38

Groups and Files

Time of First Successful Submission: 2026-09-09 13:56:56

Fun With Groups Names

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

Changing Permissions

Time of First Successful Submission: 2026-09-09 18:16:34

Executable Files

Time of First Successful Submission: 2026-09-09 18:23:21

Permission Tweaking Practice

Time of First Successful Submission: 2026-09-09 18:29:54

Permissions Setting Practice

Time of First Successful Submission: 2026-09-09 18:36:38

The SUID Bit

Time of First Successful Submission: 2026-09-09 18:38:54

Chaining with Semicolons

Time of First Successful Submission: 2026-09-09 19:00:45

Building on Success

Time of First Successful Submission: 2026-09-09 19:02:06

Handling Failure

Time of First Successful Submission: 2026-09-09 19:04:39

Your First Shell Script

Time of First Successful Submission: 2026-09-09 19:12:20

Redirecting Script Output

Time of First Successful Submission: 2026-09-09 19:15:28

Executable Shell Scripts

Time of First Successful Submission: 2026-09-09 19:19:37

Understanding Shebangs

Time of First Successful Submission: 2026-09-09 19:25:37

Scripting with Arguments

Time of First Successful Submission: 2026-09-09 19:30:51

Scripting with Conditionals

Time of First Successful Submission: 2026-09-09 19:32:21

Scripting with Default Cases

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

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-09-09 20:15:39

Reading Shell Scripts

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

Launching Screen

Time of First Successful Submission: 2026-09-09 20:22:38

Detaching and Attaching

Time of First Successful Submission: 2026-09-09 20:24:57

Finding Sessions

Time of First Successful Submission: 2026-09-09 20:29:00

Switching Windows

Time of First Successful Submission: 2026-09-09 20:30:56

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-09-09 20:31:58

Switching Windows (tmux)

Time of First Successful Submission: 2026-09-09 20:32:47

The PATH Variable

Time of First Successful Submission: 2026-09-09 20:36:49

Setting PATH

Time of First Successful Submission: 2026-09-09 20:40:06

Finding Commands

Time of First Successful Submission: 2026-09-09 20:43:52

Adding Commands

Time of First Successful Submission: 2026-09-09 21:00:30

Hijacking Commands

Time of First Successful Submission: 2026-09-09 21:15:26

Bashrc Backdoor

Time of First Successful Submission: 2026-09-09 21:36:17

Sniffing Input

Time of First Successful Submission: 2026-09-09 21:59:41

Overshared Directories

Time of First Successful Submission: 2026-09-09 22:44:33

Tricky Linking

Time of First Successful Submission: 2026-09-09 23:33:56

Sniffing Process Arguments

Time of First Successful Submission: 2026-09-10 14:37:34

Snooping on Configurations

Time of First Successful Submission: 2026-09-10 14:50:00

The Fork Bomb

Time of First Successful Submission: 2026-09-10 15:44:58

Disk-Space Doomsday

Time of First Successful Submission: 2026-09-10 15:48:54

rm -rf /

Time of First Successful Submission: 2026-09-10 15:51:21

Life after rm -rf /

Time of First Successful Submission: 2026-09-10 15:58:44

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-09-10 16:10:02


Computing 101

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Your First Register

Time of First Successful Submission: 2026-09-10 16:18:53

Your First Syscall

Time of First Successful Submission: 2026-09-10 16:52:38

Exit Codes

Time of First Successful Submission: 2026-09-10 17:18:02

Building Executables

Time of First Successful Submission: 2026-09-10 17:24:29

Moving Between Registers

Time of First Successful Submission: 2026-09-10 17:35:38

Loading From Memory

Time of First Successful Submission: 2026-09-10 17:39:31

More Loading Practice

Time of First Successful Submission: 2026-09-10 17:45:46

Dereferencing Pointers

Time of First Successful Submission: 2026-09-10 17:53:44

Dereferencing Yourself

Time of First Successful Submission: 2026-09-10 17:55:58

Dereferencing with Offsets

Time of First Successful Submission: 2026-09-10 17:58:02

Stored Addresses

Time of First Successful Submission: 2026-09-10 18:15:26

Double Dereference

Time of First Successful Submission: 2026-09-10 19:01:38

The Stack

Time of First Successful Submission: 2026-09-10 19:07:04

Stack Offsets

Time of First Successful Submission: 2026-09-10 19:08:54

Program Arguments on the Stack

Time of First Successful Submission: 2026-09-10 19:15:33

Popping From the Stack

Time of First Successful Submission: 2026-09-10 19:32:13


DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-09-01 16:43:09

Using the VSCode Workspace

Time of First Successful Submission: 2026-09-01 17:22:23

Using the GUI Desktop

Time of First Successful Submission: 2026-09-01 17:24:23

Pasting into the Desktop

Time of First Successful Submission: 2026-09-01 19:34:02

Connecting over SSH

Time of First Successful Submission: 2026-09-01 18:14:06

Restarting Challenges

Time of First Successful Submission: 2026-09-01 18:19:16

Getting Help

Time of First Successful Submission: 2026-09-01 18:22:01

Challenge Programs

Time of First Successful Submission: 2026-09-01 18:23:56

The Flag File

Time of First Successful Submission: 2026-09-01 19:21:47

Using Privileged Mode

Time of First Successful Submission: 2026-09-01 19:40:14

Persistent Home Directories - One

Time of First Successful Submission: 2026-09-01 19:44:07

Persistent Home Directories - Two

Time of First Successful Submission: 2026-09-01 19:44:58


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-09-01 16:43:09

Using the VSCode Workspace

Time of First Successful Submission: 2026-09-01 17:22:23

Using the GUI Desktop

Time of First Successful Submission: 2026-09-01 17:24:23

Pasting into the Desktop

Time of First Successful Submission: 2026-09-01 19:34:02

Connecting over SSH

Time of First Successful Submission: 2026-09-01 18:14:06

Restarting Challenges

Time of First Successful Submission: 2026-09-01 18:19:16

Getting Help

Time of First Successful Submission: 2026-09-01 18:22:01

Challenge Programs

Time of First Successful Submission: 2026-09-01 18:23:56

The Flag File

Time of First Successful Submission: 2026-09-01 19:21:47

Using Privileged Mode

Time of First Successful Submission: 2026-09-01 19:40:14

Persistent Home Directories - One

Time of First Successful Submission: 2026-09-01 19:44:07

Persistent Home Directories - Two

Time of First Successful Submission: 2026-09-01 19:44:58