Haaron1

🐧

Intro to Programming Languages

15 / 234 10382 / 34576


Commands

Time of First Successful Submission: 2026-05-03 11:23:15

Command Arguments

Time of First Successful Submission: 2026-05-03 11:24:34

Command History

Time of First Successful Submission: 2026-05-03 11:25:49

The Root Path

Time of First Successful Submission: 2026-05-03 11:28:31

Absolute Paths

Time of First Successful Submission: 2026-05-03 11:30:03

Changing position

Time of First Successful Submission: 2026-05-03 11:31:20

Changing to an Absolute Path

Time of First Successful Submission: 2026-05-03 11:32:40

Relative Paths

Time of First Successful Submission: 2026-05-03 11:36:16

Cat

Time of First Successful Submission: 2026-05-11 07:29:01

Ls

Time of First Successful Submission: 2026-05-11 07:37:44

Ls All

Time of First Successful Submission: 2026-05-11 07:43:44

Find

Time of First Successful Submission: 2026-05-11 07:57:49

Piping Echo

Time of First Successful Submission: 2026-05-12 12:54:51

Piping Stdout

Time of First Successful Submission: 2026-05-12 12:57:19

Piping Stdin

Time of First Successful Submission: 2026-05-12 13:05:27


Start Here

11 / 12 9842 / 46903


Using the Terminal

Time of First Successful Submission: 2026-05-03 10:37:53

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-03 10:44:47

Using the GUI Desktop

Time of First Successful Submission: 2026-05-03 10:47:56

Pasting into the Desktop

Time of First Successful Submission: 2026-05-03 10:52:18

Restarting Challenges

Time of First Successful Submission: 2026-05-03 11:00:55

Challenge Programs

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

The Flag File

Time of First Successful Submission: 2026-05-03 11:07:51

Using Privileged Mode

Time of First Successful Submission: 2026-05-03 11:11:29

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-03 11:13:53

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-03 11:14:51


Linux Luminarium

128 / 128 3081 / 35045


Intro to Commands

Time of First Successful Submission: 2026-05-03 11:23:15

Intro to Arguments

Time of First Successful Submission: 2026-05-03 11:24:34

Command History

Time of First Successful Submission: 2026-05-03 11:25:49

The Root

Time of First Successful Submission: 2026-05-03 11:28:31

Program and absolute paths

Time of First Successful Submission: 2026-05-03 11:30:03

Position thy self

Time of First Successful Submission: 2026-05-03 11:31:20

Position elsewhere

Time of First Successful Submission: 2026-05-03 11:32:40

implicit relative paths, from /

Time of First Successful Submission: 2026-05-03 11:36:16

explicit relative paths, from /

Time of First Successful Submission: 2026-05-03 11:37:21

implicit relative path

Time of First Successful Submission: 2026-05-03 11:38:38

home sweet home

Time of First Successful Submission: 2026-05-03 11:46:10

cat: not the pet, but the command!

Time of First Successful Submission: 2026-05-11 07:29:01

catting absolute paths

Time of First Successful Submission: 2026-05-11 07:29:58

more catting practice

Time of First Successful Submission: 2026-05-11 07:32:51

grepping for a needle in a haystack

Time of First Successful Submission: 2026-05-11 07:35:07

comparing files

Time of First Successful Submission: 2026-05-11 07:36:58

listing files

Time of First Successful Submission: 2026-05-11 07:37:44

touching files

Time of First Successful Submission: 2026-05-11 07:39:00

removing files

Time of First Successful Submission: 2026-05-11 07:39:39

moving files

Time of First Successful Submission: 2026-05-11 07:42:18

copying files

Time of First Successful Submission: 2026-05-11 07:42:50

hidden files

Time of First Successful Submission: 2026-05-11 07:43:44

An Epic Filesystem Quest

Time of First Successful Submission: 2026-05-11 07:50:12

making directories

Time of First Successful Submission: 2026-05-11 07:51:03

finding files

Time of First Successful Submission: 2026-05-11 07:57:49

linking files

Time of First Successful Submission: 2026-05-11 08:16:36

Learning From Documentation

Time of First Successful Submission: 2026-05-11 08:20:55

Learning Complex Usage

Time of First Successful Submission: 2026-05-11 08:23:15

Reading Manuals

Time of First Successful Submission: 2026-05-11 08:26:02

Searching Manuals

Time of First Successful Submission: 2026-05-11 08:28:04

Searching For Manuals

Time of First Successful Submission: 2026-05-11 08:35:35

Helpful Programs

Time of First Successful Submission: 2026-05-11 08:37:32

Help for Builtins

Time of First Successful Submission: 2026-05-11 08:39:07

Matching with *

Time of First Successful Submission: 2026-05-11 08:51:54

Matching with ?

Time of First Successful Submission: 2026-05-11 08:54:46

Matching with []

Time of First Successful Submission: 2026-05-11 08:57:51

Matching paths with []

Time of First Successful Submission: 2026-05-11 08:59:21

Multiple globs

Time of First Successful Submission: 2026-05-11 09:01:28

Mixing globs

Time of First Successful Submission: 2026-05-11 09:09:44

Exclusionary globbing

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

Tab completion

Time of First Successful Submission: 2026-05-11 09:12:41

Multiple options for tab completion

Time of First Successful Submission: 2026-05-11 09:13:53

Tab completion on commands

Time of First Successful Submission: 2026-05-11 09:14:32

Redirecting output

Time of First Successful Submission: 2026-05-12 12:54:51

Redirecting more output

Time of First Successful Submission: 2026-05-12 12:57:19

Appending output

Time of First Successful Submission: 2026-05-12 13:00:05

Redirecting errors

Time of First Successful Submission: 2026-05-12 13:03:58

Redirecting input

Time of First Successful Submission: 2026-05-12 13:05:27

Grepping stored results

Time of First Successful Submission: 2026-05-12 13:06:29

Grepping live output

Time of First Successful Submission: 2026-05-12 13:08:00

Grepping errors

Time of First Successful Submission: 2026-05-12 13:10:53

Filtering with grep -v

Time of First Successful Submission: 2026-05-12 13:13:54

Filtering with sed

Time of First Successful Submission: 2026-05-12 13:16:19

Duplicating piped data with tee

Time of First Successful Submission: 2026-05-12 13:31:59

Process substitution for input

Time of First Successful Submission: 2026-05-12 13:38:08

Writing to multiple programs

Time of First Successful Submission: 2026-05-12 13:45:51

Split-piping stderr and stdout

Time of First Successful Submission: 2026-05-12 14:03:23

Named pipes

Time of First Successful Submission: 2026-05-12 14:23:47

Printing Variables

Time of First Successful Submission: 2026-05-12 14:25:19

Setting Variables

Time of First Successful Submission: 2026-05-12 14:25:58

Multi-word Variables

Time of First Successful Submission: 2026-05-12 14:26:40

Exporting Variables

Time of First Successful Submission: 2026-05-12 14:30:07

Printing Exported Variables

Time of First Successful Submission: 2026-05-12 14:31:46

Storing Command Output

Time of First Successful Submission: 2026-05-12 14:33:31

Reading Input

Time of First Successful Submission: 2026-05-12 14:35:29

Reading Files

Time of First Successful Submission: 2026-05-12 14:38:57

Translating characters

Time of First Successful Submission: 2026-05-12 14:49:01

Deleting characters

Time of First Successful Submission: 2026-05-12 14:53:39

Deleting newlines

Time of First Successful Submission: 2026-05-12 14:57:47

Extracting the first lines with head

Time of First Successful Submission: 2026-05-12 14:59:15

Extracting specific sections of text

Time of First Successful Submission: 2026-05-12 15:07:12

Sorting data

Time of First Successful Submission: 2026-05-12 15:08:44

Listing Processes

Time of First Successful Submission: 2026-05-13 12:40:34

Killing Processes

Time of First Successful Submission: 2026-05-13 12:42:37

Interrupting Processes

Time of First Successful Submission: 2026-05-13 12:45:17

Killing Misbehaving Processes

Time of First Successful Submission: 2026-05-13 12:48:20

Suspending Processes

Time of First Successful Submission: 2026-05-13 12:53:17

Resuming Processes

Time of First Successful Submission: 2026-05-13 12:56:05

Backgrounding Processes

Time of First Successful Submission: 2026-05-13 13:01:33

Foregrounding Processes

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

Starting Backgrounded Processes

Time of First Successful Submission: 2026-05-13 13:06:52

Process Exit Codes

Time of First Successful Submission: 2026-05-13 14:03:51

Becoming root with su

Time of First Successful Submission: 2026-05-13 14:06:14

Other users with su

Time of First Successful Submission: 2026-05-13 14:07:01

Cracking passwords

Time of First Successful Submission: 2026-05-13 14:13:51

Using sudo

Time of First Successful Submission: 2026-05-13 14:15:07

Changing File Ownership

Time of First Successful Submission: 2026-05-13 14:17:20

Groups and Files

Time of First Successful Submission: 2026-05-13 14:18:36

Fun With Groups Names

Time of First Successful Submission: 2026-05-13 14:22:10

Changing Permissions

Time of First Successful Submission: 2026-05-13 14:26:58

Executable Files

Time of First Successful Submission: 2026-05-13 14:27:46

Permission Tweaking Practice

Time of First Successful Submission: 2026-05-13 14:39:56

Permissions Setting Practice

Time of First Successful Submission: 2026-05-13 14:46:07

The SUID Bit

Time of First Successful Submission: 2026-05-13 14:49:20

Chaining with Semicolons

Time of First Successful Submission: 2026-05-13 14:51:25

Building on Success

Time of First Successful Submission: 2026-05-13 14:52:06

Handling Failure

Time of First Successful Submission: 2026-05-13 14:59:17

Your First Shell Script

Time of First Successful Submission: 2026-05-13 15:02:42

Redirecting Script Output

Time of First Successful Submission: 2026-05-13 15:54:09

Executable Shell Scripts

Time of First Successful Submission: 2026-05-13 16:11:09

Understanding Shebangs

Time of First Successful Submission: 2026-05-13 17:07:36

Scripting with Arguments

Time of First Successful Submission: 2026-05-13 17:10:53

Scripting with Conditionals

Time of First Successful Submission: 2026-05-13 17:21:05

Scripting with Default Cases

Time of First Successful Submission: 2026-05-13 17:22:20

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-05-13 17:24:38

Reading Shell Scripts

Time of First Successful Submission: 2026-05-13 17:25:44

Launching Screen

Time of First Successful Submission: 2026-05-14 09:13:55

Detaching and Attaching

Time of First Successful Submission: 2026-05-14 09:16:21

Finding Sessions

Time of First Successful Submission: 2026-05-14 09:18:22

Switching Windows

Time of First Successful Submission: 2026-05-14 09:20:03

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-05-14 09:22:43

Switching Windows (tmux)

Time of First Successful Submission: 2026-05-14 09:23:42

The PATH Variable

Time of First Successful Submission: 2026-05-14 09:25:40

Setting PATH

Time of First Successful Submission: 2026-05-14 09:26:23

Finding Commands

Time of First Successful Submission: 2026-05-14 09:27:04

Adding Commands

Time of First Successful Submission: 2026-05-14 09:31:21

Hijacking Commands

Time of First Successful Submission: 2026-05-14 09:34:41

Bashrc Backdoor

Time of First Successful Submission: 2026-05-14 09:38:20

Sniffing Input

Time of First Successful Submission: 2026-05-14 09:45:13

Overshared Directories

Time of First Successful Submission: 2026-05-14 09:51:35

Tricky Linking

Time of First Successful Submission: 2026-05-14 10:05:23

Sniffing Process Arguments

Time of First Successful Submission: 2026-05-14 10:06:56

Snooping on Configurations

Time of First Successful Submission: 2026-05-14 10:10:06

The Fork Bomb

Time of First Successful Submission: 2026-05-14 14:57:51

Disk-Space Doomsday

Time of First Successful Submission: 2026-05-14 15:03:50

rm -rf /

Time of First Successful Submission: 2026-05-14 15:11:07

Life after rm -rf /

Time of First Successful Submission: 2026-05-14 15:20:17

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-05-14 15:27:24


Computing 101

73 / 104 1411 / 22763


Your First Register

Time of First Successful Submission: 2026-05-14 15:38:53

Your First Syscall

Time of First Successful Submission: 2026-05-14 15:42:03

Exit Codes

Time of First Successful Submission: 2026-05-14 15:43:52

Building Executables

Time of First Successful Submission: 2026-05-14 15:50:35

Moving Between Registers

Time of First Successful Submission: 2026-05-14 15:52:33

Loading From Memory

Time of First Successful Submission: 2026-05-14 16:01:51

More Loading Practice

Time of First Successful Submission: 2026-05-14 16:03:02

Dereferencing Pointers

Time of First Successful Submission: 2026-05-14 16:06:27

Dereferencing Yourself

Time of First Successful Submission: 2026-05-14 16:09:13

Dereferencing with Offsets

Time of First Successful Submission: 2026-05-14 16:10:09

Stored Addresses

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

Double Dereference

Time of First Successful Submission: 2026-05-14 16:21:30

The Stack

Time of First Successful Submission: 2026-05-14 16:28:37

Stack Offsets

Time of First Successful Submission: 2026-05-14 16:29:31

Program Arguments on the Stack

Time of First Successful Submission: 2026-05-14 16:32:51

Popping From the Stack

Time of First Successful Submission: 2026-05-14 16:34:42

Disassembling Programs

Time of First Successful Submission: 2026-05-15 13:41:27

Tracing Syscalls

Time of First Successful Submission: 2026-05-15 14:00:09

Starting GDB

Time of First Successful Submission: 2026-05-15 14:10:04

Quitting GDB

Time of First Successful Submission: 2026-05-15 14:10:41

Starting Programs in GDB

Time of First Successful Submission: 2026-05-15 14:14:04

Disassembling in GDB

Time of First Successful Submission: 2026-05-15 14:14:59

Stepping Through Instructions

Time of First Successful Submission: 2026-05-15 14:16:53

Reading Register Values

Time of First Successful Submission: 2026-05-15 14:17:50

Popping Stack Values

Time of First Successful Submission: 2026-05-15 14:19:53

Examining Memory

Time of First Successful Submission: 2026-05-15 14:22:30

Examining Stack Pointers

Time of First Successful Submission: 2026-05-15 14:26:20

Cooperative Debugging

Time of First Successful Submission: 2026-05-15 14:33:01

Writing Output

Time of First Successful Submission: 2026-05-15 15:13:24

Chaining Syscalls

Time of First Successful Submission: 2026-05-15 15:21:14

Writing Strings

Time of First Successful Submission: 2026-05-15 15:22:46

Reading Data

Time of First Successful Submission: 2026-05-15 15:42:55

Opening Files

Time of First Successful Submission: 2026-05-15 16:04:54

Hardcoding the Filename

Time of First Successful Submission: 2026-05-15 16:09:09

Comparing Values

Time of First Successful Submission: 2026-05-16 16:09:42

Comparing Characters

Time of First Successful Submission: 2026-05-16 16:25:51

Conditional Control Flow

Time of First Successful Submission: 2026-05-16 16:39:57

Comparing Strings

Time of First Successful Submission: 2026-05-16 16:59:51

Reverse the Password

Time of First Successful Submission: 2026-05-16 17:10:20

Conditionals Without Conditionals

Time of First Successful Submission: 2026-05-16 19:13:37

Looping

Time of First Successful Submission: 2026-05-16 19:44:26

Reverse the Calculation

Time of First Successful Submission: 2026-05-16 20:15:09

Reverse the Reverse

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

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-05-16 20:25:05

Loops on Data

Time of First Successful Submission: 2026-05-16 20:28:44

set-register

Time of First Successful Submission: 2026-05-16 20:38:47

set-multiple-registers

Time of First Successful Submission: 2026-05-16 20:39:56

add-to-register

Time of First Successful Submission: 2026-05-16 20:43:26

linear-equation-registers

Time of First Successful Submission: 2026-05-16 20:47:04

integer-division

Time of First Successful Submission: 2026-05-16 21:13:56

modulo-operation

Time of First Successful Submission: 2026-05-16 21:39:12

set-upper-byte

Time of First Successful Submission: 2026-05-16 21:50:52

efficient-modulo

Time of First Successful Submission: 2026-05-16 22:06:04

byte-extraction

Time of First Successful Submission: 2026-05-16 22:42:31

bitwise-and

Time of First Successful Submission: 2026-05-16 22:44:58

check-even

Time of First Successful Submission: 2026-05-16 23:07:45

memory-read

Time of First Successful Submission: 2026-05-17 08:19:18

memory-write

Time of First Successful Submission: 2026-05-17 08:23:03

memory-increment

Time of First Successful Submission: 2026-05-17 08:30:20

byte-access

Time of First Successful Submission: 2026-05-17 08:32:59

memory-size-access

Time of First Successful Submission: 2026-05-17 08:36:47

little-endian-write

Time of First Successful Submission: 2026-05-17 09:00:48

memory-sum

Time of First Successful Submission: 2026-05-17 09:17:47

stack-subtraction

Time of First Successful Submission: 2026-05-17 09:24:35

swap-stack-values

Time of First Successful Submission: 2026-05-17 09:28:26

average-stack-values

Time of First Successful Submission: 2026-05-17 09:36:15

absolute-jump

Time of First Successful Submission: 2026-05-17 09:42:22

relative-jump

Time of First Successful Submission: 2026-05-17 10:35:38

jump-trampoline

Time of First Successful Submission: 2026-05-17 10:23:02

conditional-jump

Time of First Successful Submission: 2026-05-17 12:15:55

indirect-jump

Time of First Successful Submission: 2026-05-17 14:26:28

average-loop

Time of First Successful Submission: 2026-05-17 14:52:59

count-non-zero

Time of First Successful Submission: 2026-05-17 15:10:32


DSU Cyber Camps

11 / 104 10005 / 47198


Using the Terminal

Time of First Successful Submission: 2026-05-03 10:37:53

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-03 10:44:47

Using the GUI Desktop

Time of First Successful Submission: 2026-05-03 10:47:56

Pasting into the Desktop

Time of First Successful Submission: 2026-05-03 10:52:18

Restarting Challenges

Time of First Successful Submission: 2026-05-03 11:00:55

Getting Help

Time of First Successful Submission: 2026-05-03 11:04:39

Challenge Programs

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

The Flag File

Time of First Successful Submission: 2026-05-03 11:07:51

Using Privileged Mode

Time of First Successful Submission: 2026-05-03 11:11:29

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-03 11:13:53

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-03 11:14:51


GCA CTF

11 / 104 10005 / 47198


Using the Terminal

Time of First Successful Submission: 2026-05-03 10:37:53

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-03 10:44:47

Using the GUI Desktop

Time of First Successful Submission: 2026-05-03 10:47:56

Pasting into the Desktop

Time of First Successful Submission: 2026-05-03 10:52:18

Restarting Challenges

Time of First Successful Submission: 2026-05-03 11:00:55

Getting Help

Time of First Successful Submission: 2026-05-03 11:04:39

Challenge Programs

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

The Flag File

Time of First Successful Submission: 2026-05-03 11:07:51

Using Privileged Mode

Time of First Successful Submission: 2026-05-03 11:11:29

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-03 11:13:53

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-03 11:14:51