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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-04-29 19:13:47

Command Arguments

Time of First Successful Submission: 2026-04-29 19:28:21

Command History

Time of First Successful Submission: 2026-04-29 19:29:44

The Root Path

Time of First Successful Submission: 2026-04-29 19:38:10

Absolute Paths

Time of First Successful Submission: 2026-04-29 19:38:52

Changing position

Time of First Successful Submission: 2026-04-29 19:43:32

Changing to an Absolute Path

Time of First Successful Submission: 2026-04-29 23:02:19

Relative Paths

Time of First Successful Submission: 2026-04-30 16:45:15

Cat

Time of First Successful Submission: 2026-04-30 16:56:01

Ls

Time of First Successful Submission: 2026-04-30 17:02:13

Ls All

Time of First Successful Submission: 2026-04-30 17:14:37

Find

Time of First Successful Submission: 2026-04-30 17:28:15

Piping Echo

Time of First Successful Submission: 2026-05-03 16:00:28

Piping Stdout

Time of First Successful Submission: 2026-05-03 16:01:49

Piping Stdin

Time of First Successful Submission: 2026-05-11 18:12:37


Start Here

12 / 12 2284 / 46721


Using the Terminal

Time of First Successful Submission: 2026-04-29 17:03:10

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-29 17:05:37

Using the GUI Desktop

Time of First Successful Submission: 2026-04-29 17:07:23

Pasting into the Desktop

Time of First Successful Submission: 2026-04-29 17:10:15

Restarting Challenges

Time of First Successful Submission: 2026-04-29 17:16:58

Challenge Programs

Time of First Successful Submission: 2026-04-29 16:55:59

The Flag File

Time of First Successful Submission: 2026-04-29 17:37:12

Using Privileged Mode

Time of First Successful Submission: 2026-04-29 19:04:46

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-29 19:08:39

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-29 19:09:27


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-04-29 19:13:47

Intro to Arguments

Time of First Successful Submission: 2026-04-29 19:28:21

Command History

Time of First Successful Submission: 2026-04-29 19:29:44

The Root

Time of First Successful Submission: 2026-04-29 19:38:10

Program and absolute paths

Time of First Successful Submission: 2026-04-29 19:38:52

Position thy self

Time of First Successful Submission: 2026-04-29 19:43:32

Position elsewhere

Time of First Successful Submission: 2026-04-29 23:02:19

implicit relative paths, from /

Time of First Successful Submission: 2026-04-30 16:45:15

explicit relative paths, from /

Time of First Successful Submission: 2026-04-30 16:47:55

implicit relative path

Time of First Successful Submission: 2026-04-30 16:48:34

home sweet home

Time of First Successful Submission: 2026-04-30 16:52:09

cat: not the pet, but the command!

Time of First Successful Submission: 2026-04-30 16:56:01

catting absolute paths

Time of First Successful Submission: 2026-04-30 16:57:00

more catting practice

Time of First Successful Submission: 2026-04-30 16:57:38

grepping for a needle in a haystack

Time of First Successful Submission: 2026-04-30 16:59:23

comparing files

Time of First Successful Submission: 2026-04-30 17:01:03

listing files

Time of First Successful Submission: 2026-04-30 17:02:13

touching files

Time of First Successful Submission: 2026-04-30 17:03:06

removing files

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

moving files

Time of First Successful Submission: 2026-04-30 17:10:20

copying files

Time of First Successful Submission: 2026-04-30 17:13:48

hidden files

Time of First Successful Submission: 2026-04-30 17:14:37

An Epic Filesystem Quest

Time of First Successful Submission: 2026-04-30 17:21:10

making directories

Time of First Successful Submission: 2026-04-30 17:23:39

finding files

Time of First Successful Submission: 2026-04-30 17:28:15

linking files

Time of First Successful Submission: 2026-04-30 17:36:43

Learning From Documentation

Time of First Successful Submission: 2026-05-01 01:02:15

Learning Complex Usage

Time of First Successful Submission: 2026-05-01 01:03:14

Reading Manuals

Time of First Successful Submission: 2026-05-01 01:04:16

Searching Manuals

Time of First Successful Submission: 2026-05-01 01:11:57

Searching For Manuals

Time of First Successful Submission: 2026-05-01 01:19:52

Helpful Programs

Time of First Successful Submission: 2026-05-01 01:21:11

Help for Builtins

Time of First Successful Submission: 2026-05-01 01:22:28

Matching with *

Time of First Successful Submission: 2026-05-01 01:25:38

Matching with ?

Time of First Successful Submission: 2026-05-01 01:26:42

Matching with []

Time of First Successful Submission: 2026-05-01 01:43:35

Matching paths with []

Time of First Successful Submission: 2026-05-01 01:47:38

Multiple globs

Time of First Successful Submission: 2026-05-01 01:56:13

Mixing globs

Time of First Successful Submission: 2026-05-01 02:13:32

Exclusionary globbing

Time of First Successful Submission: 2026-05-01 02:15:03

Tab completion

Time of First Successful Submission: 2026-05-01 02:20:32

Multiple options for tab completion

Time of First Successful Submission: 2026-05-01 02:36:39

Tab completion on commands

Time of First Successful Submission: 2026-05-01 02:38:55

Redirecting output

Time of First Successful Submission: 2026-05-03 16:00:28

Redirecting more output

Time of First Successful Submission: 2026-05-03 16:01:49

Appending output

Time of First Successful Submission: 2026-05-03 16:06:11

Redirecting errors

Time of First Successful Submission: 2026-05-03 17:13:27

Redirecting input

Time of First Successful Submission: 2026-05-11 18:12:37

Grepping stored results

Time of First Successful Submission: 2026-05-11 18:21:48

Grepping live output

Time of First Successful Submission: 2026-05-11 18:26:15

Grepping errors

Time of First Successful Submission: 2026-05-11 18:52:55

Filtering with grep -v

Time of First Successful Submission: 2026-05-11 18:54:44

Filtering with sed

Time of First Successful Submission: 2026-05-11 18:56:21

Duplicating piped data with tee

Time of First Successful Submission: 2026-05-11 19:13:37

Process substitution for input

Time of First Successful Submission: 2026-05-11 20:32:20

Writing to multiple programs

Time of First Successful Submission: 2026-05-11 20:38:24

Split-piping stderr and stdout

Time of First Successful Submission: 2026-05-11 20:53:06

Named pipes

Time of First Successful Submission: 2026-05-11 21:06:34

Printing Variables

Time of First Successful Submission: 2026-05-11 21:21:36

Setting Variables

Time of First Successful Submission: 2026-05-11 21:25:52

Multi-word Variables

Time of First Successful Submission: 2026-05-11 21:26:32

Exporting Variables

Time of First Successful Submission: 2026-05-11 21:32:24

Printing Exported Variables

Time of First Successful Submission: 2026-05-11 21:33:16

Storing Command Output

Time of First Successful Submission: 2026-05-11 21:35:33

Reading Input

Time of First Successful Submission: 2026-05-11 21:46:06

Reading Files

Time of First Successful Submission: 2026-05-11 21:54:50

Translating characters

Time of First Successful Submission: 2026-05-12 00:20:54

Deleting characters

Time of First Successful Submission: 2026-05-12 00:22:01

Deleting newlines

Time of First Successful Submission: 2026-05-12 01:34:33

Extracting the first lines with head

Time of First Successful Submission: 2026-05-12 01:45:18

Extracting specific sections of text

Time of First Successful Submission: 2026-05-12 01:53:44

Sorting data

Time of First Successful Submission: 2026-05-12 01:54:59

Listing Processes

Time of First Successful Submission: 2026-05-12 02:35:46

Killing Processes

Time of First Successful Submission: 2026-05-12 02:40:59

Interrupting Processes

Time of First Successful Submission: 2026-05-12 02:41:33

Killing Misbehaving Processes

Time of First Successful Submission: 2026-05-12 02:57:35

Suspending Processes

Time of First Successful Submission: 2026-05-12 02:58:40

Resuming Processes

Time of First Successful Submission: 2026-05-12 03:01:49

Backgrounding Processes

Time of First Successful Submission: 2026-05-12 03:03:47

Foregrounding Processes

Time of First Successful Submission: 2026-05-12 03:04:51

Starting Backgrounded Processes

Time of First Successful Submission: 2026-05-12 03:07:02

Process Exit Codes

Time of First Successful Submission: 2026-05-12 03:09:31

Becoming root with su

Time of First Successful Submission: 2026-05-12 03:40:19

Other users with su

Time of First Successful Submission: 2026-05-12 16:35:49

Cracking passwords

Time of First Successful Submission: 2026-05-12 16:39:07

Using sudo

Time of First Successful Submission: 2026-05-12 16:52:52

Changing File Ownership

Time of First Successful Submission: 2026-05-14 03:10:48

Groups and Files

Time of First Successful Submission: 2026-05-14 16:01:20

Fun With Groups Names

Time of First Successful Submission: 2026-05-14 16:02:15

Changing Permissions

Time of First Successful Submission: 2026-05-14 16:06:59

Executable Files

Time of First Successful Submission: 2026-05-14 16:07:39

Permission Tweaking Practice

Time of First Successful Submission: 2026-05-14 16:17:43

Permissions Setting Practice

Time of First Successful Submission: 2026-05-14 16:26:49

The SUID Bit

Time of First Successful Submission: 2026-05-14 16:35:07

Chaining with Semicolons

Time of First Successful Submission: 2026-05-14 16:36:14

Building on Success

Time of First Successful Submission: 2026-05-14 16:37:09

Handling Failure

Time of First Successful Submission: 2026-05-14 16:37:40

Your First Shell Script

Time of First Successful Submission: 2026-05-14 16:40:06

Redirecting Script Output

Time of First Successful Submission: 2026-05-14 17:02:48

Executable Shell Scripts

Time of First Successful Submission: 2026-05-14 17:10:26

Understanding Shebangs

Time of First Successful Submission: 2026-05-14 17:15:34

Scripting with Arguments

Time of First Successful Submission: 2026-05-14 17:32:31

Scripting with Conditionals

Time of First Successful Submission: 2026-05-14 17:34:51

Scripting with Default Cases

Time of First Successful Submission: 2026-05-14 17:35:32

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-05-14 17:38:28

Reading Shell Scripts

Time of First Successful Submission: 2026-05-14 17:39:52

Launching Screen

Time of First Successful Submission: 2026-05-14 17:40:52

Detaching and Attaching

Time of First Successful Submission: 2026-05-14 17:42:21

Finding Sessions

Time of First Successful Submission: 2026-05-14 17:44:08

Switching Windows

Time of First Successful Submission: 2026-05-14 17:45:12

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-05-14 17:46:54

Switching Windows (tmux)

Time of First Successful Submission: 2026-05-14 17:50:46

The PATH Variable

Time of First Successful Submission: 2026-05-14 17:55:31

Setting PATH

Time of First Successful Submission: 2026-05-14 17:57:30

Finding Commands

Time of First Successful Submission: 2026-05-14 17:58:24

Adding Commands

Time of First Successful Submission: 2026-05-14 18:11:05

Hijacking Commands

Time of First Successful Submission: 2026-05-14 18:19:36

Bashrc Backdoor

Time of First Successful Submission: 2026-05-14 18:21:34

Sniffing Input

Time of First Successful Submission: 2026-05-14 18:56:30

Overshared Directories

Time of First Successful Submission: 2026-05-14 19:06:26

Tricky Linking

Time of First Successful Submission: 2026-05-14 19:21:25

Sniffing Process Arguments

Time of First Successful Submission: 2026-05-14 19:23:33

Snooping on Configurations

Time of First Successful Submission: 2026-05-14 19:28:12

The Fork Bomb

Time of First Successful Submission: 2026-05-14 19:39:46

Disk-Space Doomsday

Time of First Successful Submission: 2026-05-14 19:42:58

rm -rf /

Time of First Successful Submission: 2026-05-14 19:45:22

Life after rm -rf /

Time of First Successful Submission: 2026-05-14 19:54:35

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-05-14 19:56:31


Computing 101

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Your First Register

Time of First Successful Submission: 2026-05-15 16:32:25

Your First Syscall

Time of First Successful Submission: 2026-05-15 16:50:07

Exit Codes

Time of First Successful Submission: 2026-05-15 16:56:03

Building Executables

Time of First Successful Submission: 2026-05-17 01:07:30

Moving Between Registers

Time of First Successful Submission: 2026-05-20 20:13:41

Loading From Memory

Time of First Successful Submission: 2026-05-20 21:21:43

More Loading Practice

Time of First Successful Submission: 2026-05-20 21:23:35

Dereferencing Pointers

Time of First Successful Submission: 2026-05-20 21:27:05

Dereferencing Yourself

Time of First Successful Submission: 2026-05-20 21:30:39

Dereferencing with Offsets

Time of First Successful Submission: 2026-05-20 21:32:51

Stored Addresses

Time of First Successful Submission: 2026-05-20 21:40:03

Double Dereference

Time of First Successful Submission: 2026-05-20 21:43:36

The Stack

Time of First Successful Submission: 2026-05-20 21:47:45

Stack Offsets

Time of First Successful Submission: 2026-05-20 21:49:45

Program Arguments on the Stack

Time of First Successful Submission: 2026-05-20 21:57:40

Popping From the Stack

Time of First Successful Submission: 2026-05-20 22:06:11

Disassembling Programs

Time of First Successful Submission: 2026-05-22 16:42:32

Tracing Syscalls

Time of First Successful Submission: 2026-05-22 16:48:01

Starting GDB

Time of First Successful Submission: 2026-05-22 16:49:13

Quitting GDB

Time of First Successful Submission: 2026-05-22 16:49:59

Starting Programs in GDB

Time of First Successful Submission: 2026-05-22 16:53:13

Disassembling in GDB

Time of First Successful Submission: 2026-05-22 16:54:10

Stepping Through Instructions

Time of First Successful Submission: 2026-05-22 16:57:13

Reading Register Values

Time of First Successful Submission: 2026-05-22 16:58:50

Popping Stack Values

Time of First Successful Submission: 2026-05-22 17:03:16

Examining Memory

Time of First Successful Submission: 2026-05-22 17:07:44

Examining Stack Pointers

Time of First Successful Submission: 2026-05-22 17:12:06

Cooperative Debugging

Time of First Successful Submission: 2026-05-22 17:21:26

Writing Output

Time of First Successful Submission: 2026-05-22 18:29:05

Chaining Syscalls

Time of First Successful Submission: 2026-05-22 18:33:26

Writing Strings

Time of First Successful Submission: 2026-05-22 18:44:31

Reading Data

Time of First Successful Submission: 2026-05-22 18:51:52

Opening Files

Time of First Successful Submission: 2026-05-22 23:01:52

Hardcoding the Filename

Time of First Successful Submission: 2026-05-22 23:10:24

Comparing Values

Time of First Successful Submission: 2026-05-25 02:21:54


Playing With Programs

51 / 116 7289 / 23992


cat

Time of First Successful Submission: 2026-05-23 00:50:45

more

Time of First Successful Submission: 2026-05-24 00:23:46

less

Time of First Successful Submission: 2026-05-24 00:24:21

tail

Time of First Successful Submission: 2026-05-24 00:24:39

head

Time of First Successful Submission: 2026-05-24 01:20:09

sort

Time of First Successful Submission: 2026-05-24 01:20:29

vim

Time of First Successful Submission: 2026-05-24 01:20:47

emacs

Time of First Successful Submission: 2026-05-24 01:21:28

nano

Time of First Successful Submission: 2026-05-24 01:22:28

rev

Time of First Successful Submission: 2026-05-24 01:22:54

od

Time of First Successful Submission: 2026-05-24 01:25:40

hd

Time of First Successful Submission: 2026-05-24 01:26:28

xxd

Time of First Successful Submission: 2026-05-24 01:26:57

base32

Time of First Successful Submission: 2026-05-24 01:28:26

base64

Time of First Successful Submission: 2026-05-24 01:28:47

split

Time of First Successful Submission: 2026-05-24 01:31:31

gzip

Time of First Successful Submission: 2026-05-24 01:36:43

bzip2

Time of First Successful Submission: 2026-05-24 01:37:38

zip

Time of First Successful Submission: 2026-05-24 01:41:02

tar

Time of First Successful Submission: 2026-05-24 01:46:08

ar

Time of First Successful Submission: 2026-05-24 01:59:18

cpio

Time of First Successful Submission: 2026-05-24 02:00:57

genisoimage

Time of First Successful Submission: 2026-05-24 02:29:15

env

Time of First Successful Submission: 2026-05-24 02:48:19

find

Time of First Successful Submission: 2026-05-24 03:51:15

make

Time of First Successful Submission: 2026-05-24 03:54:34

nice

Time of First Successful Submission: 2026-05-24 03:55:09

timeout

Time of First Successful Submission: 2026-05-24 03:56:18

stdbuf

Time of First Successful Submission: 2026-05-24 03:59:39

setarch

Time of First Successful Submission: 2026-05-24 04:02:37

watch

Time of First Successful Submission: 2026-05-24 04:03:14

socat

Time of First Successful Submission: 2026-05-24 04:04:42

whiptail

Time of First Successful Submission: 2026-05-24 04:13:00

awk

Time of First Successful Submission: 2026-05-24 04:13:41

sed

Time of First Successful Submission: 2026-05-24 04:18:04

ed

Time of First Successful Submission: 2026-05-24 04:19:48

chown

Time of First Successful Submission: 2026-05-24 04:20:32

chmod

Time of First Successful Submission: 2026-05-24 04:21:36

cp

Time of First Successful Submission: 2026-05-24 04:22:40

mv

Time of First Successful Submission: 2026-05-24 17:31:23

perl

Time of First Successful Submission: 2026-05-24 17:33:01

python

Time of First Successful Submission: 2026-05-24 17:34:34

ruby

Time of First Successful Submission: 2026-05-24 17:37:58

bash

Time of First Successful Submission: 2026-05-24 17:39:46

date

Time of First Successful Submission: 2026-05-24 17:46:25

dmesg

Time of First Successful Submission: 2026-05-24 17:47:43

wc

Time of First Successful Submission: 2026-05-24 17:48:14

gcc

Time of First Successful Submission: 2026-05-24 17:48:52

as

Time of First Successful Submission: 2026-05-24 17:49:25

wget

Time of First Successful Submission: 2026-05-24 17:53:42

ssh-keygen

Time of First Successful Submission: 2026-05-24 18:04:02


DSU Cyber Camps

13 / 104 407 / 47016


Using the Terminal

Time of First Successful Submission: 2026-04-29 17:03:10

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-29 17:05:37

Using the GUI Desktop

Time of First Successful Submission: 2026-04-29 17:07:23

Pasting into the Desktop

Time of First Successful Submission: 2026-04-29 17:10:15

Connecting over SSH

Time of First Successful Submission: 2026-04-29 17:15:33

Restarting Challenges

Time of First Successful Submission: 2026-04-29 17:16:58

Getting Help

Time of First Successful Submission: 2026-04-29 17:26:44

Challenge Programs

Time of First Successful Submission: 2026-04-29 16:55:59

The Flag File

Time of First Successful Submission: 2026-04-29 17:37:12

Using Privileged Mode

Time of First Successful Submission: 2026-04-29 19:04:46

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-29 19:08:39

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-29 19:09:27

Google Dorks

Time of First Successful Submission: 2026-05-24 18:29:13


GCA CTF

13 / 104 407 / 47016


Using the Terminal

Time of First Successful Submission: 2026-04-29 17:03:10

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-29 17:05:37

Using the GUI Desktop

Time of First Successful Submission: 2026-04-29 17:07:23

Pasting into the Desktop

Time of First Successful Submission: 2026-04-29 17:10:15

Connecting over SSH

Time of First Successful Submission: 2026-04-29 17:15:33

Restarting Challenges

Time of First Successful Submission: 2026-04-29 17:16:58

Getting Help

Time of First Successful Submission: 2026-04-29 17:26:44

Challenge Programs

Time of First Successful Submission: 2026-04-29 16:55:59

The Flag File

Time of First Successful Submission: 2026-04-29 17:37:12

Using Privileged Mode

Time of First Successful Submission: 2026-04-29 19:04:46

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-29 19:08:39

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-29 19:09:27

Google Dorks

Time of First Successful Submission: 2026-05-24 18:29:13