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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-05-06 16:59:13

Command Arguments

Time of First Successful Submission: 2026-05-06 17:01:25

Command History

Time of First Successful Submission: 2026-05-06 17:02:28

The Root Path

Time of First Successful Submission: 2026-05-06 17:03:52

Absolute Paths

Time of First Successful Submission: 2026-05-06 17:07:04

Changing position

Time of First Successful Submission: 2026-05-06 17:11:40

Changing to an Absolute Path

Time of First Successful Submission: 2026-05-06 17:14:31

Relative Paths

Time of First Successful Submission: 2026-05-06 17:19:34

Cat

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

Ls

Time of First Successful Submission: 2026-05-07 09:09:37

Ls All

Time of First Successful Submission: 2026-05-07 09:14:23

Find

Time of First Successful Submission: 2026-05-07 09:24:57

Piping Echo

Time of First Successful Submission: 2026-05-08 21:21:38

Piping Stdout

Time of First Successful Submission: 2026-05-08 21:25:02

Piping Stdin

Time of First Successful Submission: 2026-05-08 21:37:25


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-05-04 21:55:11

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-05 16:15:27

Using the GUI Desktop

Time of First Successful Submission: 2026-05-05 16:18:51

Pasting into the Desktop

Time of First Successful Submission: 2026-05-05 16:20:37

Restarting Challenges

Time of First Successful Submission: 2026-05-05 16:24:59

Challenge Programs

Time of First Successful Submission: 2026-05-05 21:08:53

The Flag File

Time of First Successful Submission: 2026-05-05 21:23:24

Using Privileged Mode

Time of First Successful Submission: 2026-05-05 21:26:25

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-05 21:29:38

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-05 21:30:51


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-05-06 16:59:13

Intro to Arguments

Time of First Successful Submission: 2026-05-06 17:01:25

Command History

Time of First Successful Submission: 2026-05-06 17:02:28

The Root

Time of First Successful Submission: 2026-05-06 17:03:52

Program and absolute paths

Time of First Successful Submission: 2026-05-06 17:07:04

Position thy self

Time of First Successful Submission: 2026-05-06 17:11:40

Position elsewhere

Time of First Successful Submission: 2026-05-06 17:14:31

implicit relative paths, from /

Time of First Successful Submission: 2026-05-06 17:19:34

explicit relative paths, from /

Time of First Successful Submission: 2026-05-06 17:29:50

implicit relative path

Time of First Successful Submission: 2026-05-06 17:37:12

home sweet home

Time of First Successful Submission: 2026-05-06 17:45:44

cat: not the pet, but the command!

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

catting absolute paths

Time of First Successful Submission: 2026-05-07 09:03:28

more catting practice

Time of First Successful Submission: 2026-05-07 09:04:47

grepping for a needle in a haystack

Time of First Successful Submission: 2026-05-07 09:06:13

comparing files

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

listing files

Time of First Successful Submission: 2026-05-07 09:09:37

touching files

Time of First Successful Submission: 2026-05-07 09:10:21

removing files

Time of First Successful Submission: 2026-05-07 09:11:27

moving files

Time of First Successful Submission: 2026-05-07 09:12:48

copying files

Time of First Successful Submission: 2026-05-07 09:13:34

hidden files

Time of First Successful Submission: 2026-05-07 09:14:23

An Epic Filesystem Quest

Time of First Successful Submission: 2026-05-07 09:20:28

making directories

Time of First Successful Submission: 2026-05-07 09:21:59

finding files

Time of First Successful Submission: 2026-05-07 09:24:57

linking files

Time of First Successful Submission: 2026-05-07 09:33:20

Learning From Documentation

Time of First Successful Submission: 2026-05-07 09:39:16

Learning Complex Usage

Time of First Successful Submission: 2026-05-07 09:40:42

Reading Manuals

Time of First Successful Submission: 2026-05-07 09:47:19

Searching Manuals

Time of First Successful Submission: 2026-05-07 09:49:22

Searching For Manuals

Time of First Successful Submission: 2026-05-07 10:09:55

Helpful Programs

Time of First Successful Submission: 2026-05-07 10:11:32

Help for Builtins

Time of First Successful Submission: 2026-05-07 10:14:17

Matching with *

Time of First Successful Submission: 2026-05-08 13:50:49

Matching with ?

Time of First Successful Submission: 2026-05-08 14:00:42

Matching with []

Time of First Successful Submission: 2026-05-08 14:04:58

Matching paths with []

Time of First Successful Submission: 2026-05-08 14:10:21

Multiple globs

Time of First Successful Submission: 2026-05-08 14:16:22

Mixing globs

Time of First Successful Submission: 2026-05-08 20:40:11

Exclusionary globbing

Time of First Successful Submission: 2026-05-08 20:50:04

Tab completion

Time of First Successful Submission: 2026-05-08 20:52:25

Multiple options for tab completion

Time of First Successful Submission: 2026-05-08 20:55:09

Tab completion on commands

Time of First Successful Submission: 2026-05-08 20:56:27

Redirecting output

Time of First Successful Submission: 2026-05-08 21:21:38

Redirecting more output

Time of First Successful Submission: 2026-05-08 21:25:02

Appending output

Time of First Successful Submission: 2026-05-08 21:30:49

Redirecting errors

Time of First Successful Submission: 2026-05-08 21:34:50

Redirecting input

Time of First Successful Submission: 2026-05-08 21:37:25

Grepping stored results

Time of First Successful Submission: 2026-05-08 21:39:05

Grepping live output

Time of First Successful Submission: 2026-05-08 21:41:10

Grepping errors

Time of First Successful Submission: 2026-05-09 11:41:06

Filtering with grep -v

Time of First Successful Submission: 2026-05-09 11:43:09

Filtering with sed

Time of First Successful Submission: 2026-05-09 11:47:12

Duplicating piped data with tee

Time of First Successful Submission: 2026-05-09 11:59:18

Process substitution for input

Time of First Successful Submission: 2026-05-09 12:03:45

Writing to multiple programs

Time of First Successful Submission: 2026-05-09 12:54:45

Split-piping stderr and stdout

Time of First Successful Submission: 2026-05-11 21:10:11

Named pipes

Time of First Successful Submission: 2026-05-14 13:13:13

Printing Variables

Time of First Successful Submission: 2026-05-14 13:14:32

Setting Variables

Time of First Successful Submission: 2026-05-14 13:15:54

Multi-word Variables

Time of First Successful Submission: 2026-05-14 13:17:16

Exporting Variables

Time of First Successful Submission: 2026-05-14 13:22:57

Printing Exported Variables

Time of First Successful Submission: 2026-05-14 13:23:39

Storing Command Output

Time of First Successful Submission: 2026-05-14 13:25:39

Reading Input

Time of First Successful Submission: 2026-05-14 13:27:42

Reading Files

Time of First Successful Submission: 2026-05-14 13:32:07

Translating characters

Time of First Successful Submission: 2026-05-14 14:16:59

Deleting characters

Time of First Successful Submission: 2026-05-14 14:18:30

Deleting newlines

Time of First Successful Submission: 2026-05-14 14:19:34

Extracting the first lines with head

Time of First Successful Submission: 2026-05-14 14:21:02

Extracting specific sections of text

Time of First Successful Submission: 2026-05-14 14:27:05

Sorting data

Time of First Successful Submission: 2026-05-14 14:28:51

Listing Processes

Time of First Successful Submission: 2026-05-14 21:29:51

Killing Processes

Time of First Successful Submission: 2026-05-14 21:32:20

Interrupting Processes

Time of First Successful Submission: 2026-05-14 21:33:05

Killing Misbehaving Processes

Time of First Successful Submission: 2026-05-14 22:32:26

Suspending Processes

Time of First Successful Submission: 2026-05-14 22:33:27

Resuming Processes

Time of First Successful Submission: 2026-05-14 22:34:27

Backgrounding Processes

Time of First Successful Submission: 2026-05-14 22:36:39

Foregrounding Processes

Time of First Successful Submission: 2026-05-14 22:37:40

Starting Backgrounded Processes

Time of First Successful Submission: 2026-05-14 22:38:47

Process Exit Codes

Time of First Successful Submission: 2026-05-14 22:44:49

Becoming root with su

Time of First Successful Submission: 2026-05-14 22:52:28

Other users with su

Time of First Successful Submission: 2026-05-14 22:56:17

Cracking passwords

Time of First Successful Submission: 2026-05-14 23:09:57

Using sudo

Time of First Successful Submission: 2026-05-14 23:11:31

Changing File Ownership

Time of First Successful Submission: 2026-05-20 13:43:33

Groups and Files

Time of First Successful Submission: 2026-05-20 13:45:40

Fun With Groups Names

Time of First Successful Submission: 2026-05-21 09:09:35

Changing Permissions

Time of First Successful Submission: 2026-05-21 09:14:04

Executable Files

Time of First Successful Submission: 2026-05-21 09:15:45

Permission Tweaking Practice

Time of First Successful Submission: 2026-05-21 09:20:35

Permissions Setting Practice

Time of First Successful Submission: 2026-05-21 09:43:00

The SUID Bit

Time of First Successful Submission: 2026-05-21 09:57:14

Chaining with Semicolons

Time of First Successful Submission: 2026-05-21 09:58:16

Building on Success

Time of First Successful Submission: 2026-05-21 09:59:12

Handling Failure

Time of First Successful Submission: 2026-05-21 10:00:09

Your First Shell Script

Time of First Successful Submission: 2026-05-21 15:18:30

Redirecting Script Output

Time of First Successful Submission: 2026-05-21 15:31:50

Executable Shell Scripts

Time of First Successful Submission: 2026-05-21 15:34:13

Understanding Shebangs

Time of First Successful Submission: 2026-05-21 15:39:22

Scripting with Arguments

Time of First Successful Submission: 2026-05-21 15:42:25

Scripting with Conditionals

Time of First Successful Submission: 2026-05-21 15:45:02

Scripting with Default Cases

Time of First Successful Submission: 2026-05-21 15:46:44

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-05-21 15:53:59

Reading Shell Scripts

Time of First Successful Submission: 2026-05-21 15:56:25

Launching Screen

Time of First Successful Submission: 2026-05-21 16:00:25

Detaching and Attaching

Time of First Successful Submission: 2026-05-21 16:03:40

Finding Sessions

Time of First Successful Submission: 2026-05-21 16:06:21

Switching Windows

Time of First Successful Submission: 2026-05-21 16:08:57

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-05-21 16:11:55

Switching Windows (tmux)

Time of First Successful Submission: 2026-05-21 16:14:31

The PATH Variable

Time of First Successful Submission: 2026-05-21 16:18:06

Setting PATH

Time of First Successful Submission: 2026-05-21 16:20:47

Finding Commands

Time of First Successful Submission: 2026-05-21 16:24:14

Adding Commands

Time of First Successful Submission: 2026-05-21 16:36:58

Hijacking Commands

Time of First Successful Submission: 2026-05-21 16:41:41

Bashrc Backdoor

Time of First Successful Submission: 2026-05-21 16:58:25

Sniffing Input

Time of First Successful Submission: 2026-05-22 10:12:03

Overshared Directories

Time of First Successful Submission: 2026-05-22 10:19:56

Tricky Linking

Time of First Successful Submission: 2026-05-22 10:40:21

Sniffing Process Arguments

Time of First Successful Submission: 2026-05-22 10:44:28

Snooping on Configurations

Time of First Successful Submission: 2026-05-22 10:48:56

The Fork Bomb

Time of First Successful Submission: 2026-05-22 12:31:18

Disk-Space Doomsday

Time of First Successful Submission: 2026-05-22 12:36:05

rm -rf /

Time of First Successful Submission: 2026-05-22 12:39:27

Life after rm -rf /

Time of First Successful Submission: 2026-05-22 12:44:40

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-05-22 12:46:54


Computing 101

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Your First Register

Time of First Successful Submission: 2026-05-24 12:45:03

Your First Syscall

Time of First Successful Submission: 2026-05-24 12:53:11

Exit Codes

Time of First Successful Submission: 2026-05-24 12:57:41

Building Executables

Time of First Successful Submission: 2026-05-24 13:06:27

Moving Between Registers

Time of First Successful Submission: 2026-05-24 13:16:17

Loading From Memory

Time of First Successful Submission: 2026-05-24 21:01:32

More Loading Practice

Time of First Successful Submission: 2026-05-24 21:06:23

Dereferencing Pointers

Time of First Successful Submission: 2026-05-24 21:33:02

Dereferencing Yourself

Time of First Successful Submission: 2026-05-24 21:38:23

Dereferencing with Offsets

Time of First Successful Submission: 2026-05-25 13:09:50

Stored Addresses

Time of First Successful Submission: 2026-05-25 13:20:57

Double Dereference

Time of First Successful Submission: 2026-05-25 13:45:55

The Stack

Time of First Successful Submission: 2026-05-27 19:08:27

Stack Offsets

Time of First Successful Submission: 2026-05-27 19:15:48

Program Arguments on the Stack

Time of First Successful Submission: 2026-05-27 21:28:50

Popping From the Stack

Time of First Successful Submission: 2026-05-27 21:34:43

Disassembling Programs

Time of First Successful Submission: 2026-05-27 22:36:29

Tracing Syscalls

Time of First Successful Submission: 2026-05-28 12:34:19

Starting GDB

Time of First Successful Submission: 2026-05-28 12:46:07

Quitting GDB

Time of First Successful Submission: 2026-05-28 12:56:17

Starting Programs in GDB

Time of First Successful Submission: 2026-05-28 13:00:57

Disassembling in GDB

Time of First Successful Submission: 2026-05-28 13:03:23

Stepping Through Instructions

Time of First Successful Submission: 2026-05-28 13:08:15

Reading Register Values

Time of First Successful Submission: 2026-05-28 13:10:01

Popping Stack Values

Time of First Successful Submission: 2026-05-28 13:15:27

Examining Memory

Time of First Successful Submission: 2026-05-28 13:20:48

Examining Stack Pointers

Time of First Successful Submission: 2026-05-28 13:31:29

Cooperative Debugging

Time of First Successful Submission: 2026-05-28 13:50:57

Running with Arguments

Time of First Successful Submission: 2026-06-02 07:17:48

Writing Output

Time of First Successful Submission: 2026-05-28 19:23:01

Chaining Syscalls

Time of First Successful Submission: 2026-05-28 21:58:16

Writing Strings

Time of First Successful Submission: 2026-05-28 22:27:04

Reading Data

Time of First Successful Submission: 2026-05-30 22:45:29

Opening Files

Time of First Successful Submission: 2026-05-31 15:06:41

Hardcoding the Filename

Time of First Successful Submission: 2026-05-31 15:37:21

Comparing Values

Time of First Successful Submission: 2026-06-02 08:32:39

Comparing Characters

Time of First Successful Submission: 2026-06-02 09:45:04

Conditional Control Flow

Time of First Successful Submission: 2026-06-04 18:36:45

Comparing Strings

Time of First Successful Submission: 2026-06-05 19:40:17

Reverse the Password

Time of First Successful Submission: 2026-06-05 20:28:44

Conditionals Without Conditionals

Time of First Successful Submission: 2026-06-06 21:22:06


DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-05-04 21:55:11

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-05 16:15:27

Using the GUI Desktop

Time of First Successful Submission: 2026-05-05 16:18:51

Pasting into the Desktop

Time of First Successful Submission: 2026-05-05 16:20:37

Connecting over SSH

Time of First Successful Submission: 2026-05-05 16:11:14

Restarting Challenges

Time of First Successful Submission: 2026-05-05 16:24:59

Challenge Programs

Time of First Successful Submission: 2026-05-05 21:08:53

The Flag File

Time of First Successful Submission: 2026-05-05 21:23:24

Using Privileged Mode

Time of First Successful Submission: 2026-05-05 21:26:25

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-05 21:29:38

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-05 21:30:51


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-05-04 21:55:11

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-05 16:15:27

Using the GUI Desktop

Time of First Successful Submission: 2026-05-05 16:18:51

Pasting into the Desktop

Time of First Successful Submission: 2026-05-05 16:20:37

Connecting over SSH

Time of First Successful Submission: 2026-05-05 16:11:14

Restarting Challenges

Time of First Successful Submission: 2026-05-05 16:24:59

Challenge Programs

Time of First Successful Submission: 2026-05-05 21:08:53

The Flag File

Time of First Successful Submission: 2026-05-05 21:23:24

Using Privileged Mode

Time of First Successful Submission: 2026-05-05 21:26:25

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-05 21:29:38

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-05 21:30:51