aymencdm

🐧

Intro to Programming Languages

15 / 234 9458 / 32010

Commands

Time of First Successful Submission: 2026-03-23 19:39:51

Command Arguments

Time of First Successful Submission: 2026-03-23 19:47:10

Command History

Time of First Successful Submission: 2026-03-23 19:47:50

The Root Path

Time of First Successful Submission: 2026-03-23 19:48:45

Absolute Paths

Time of First Successful Submission: 2026-03-23 19:49:24

Changing position

Time of First Successful Submission: 2026-03-23 19:50:25

Changing to an Absolute Path

Time of First Successful Submission: 2026-03-23 19:52:12

Relative Paths

Time of First Successful Submission: 2026-03-23 19:54:31

Cat

Time of First Successful Submission: 2026-03-24 16:43:24

Ls

Time of First Successful Submission: 2026-03-24 16:51:41

Ls All

Time of First Successful Submission: 2026-03-24 16:56:10

Find

Time of First Successful Submission: 2026-03-24 17:07:13

Piping Echo

Time of First Successful Submission: 2026-03-27 12:43:47

Piping Stdout

Time of First Successful Submission: 2026-03-27 12:46:12

Piping Stdin

Time of First Successful Submission: 2026-03-27 12:52:10

Start Here

12 / 12 1856 / 43382

Using the Terminal

Time of First Successful Submission: 2026-03-23 19:07:46

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-23 19:08:48

Using the GUI Desktop

Time of First Successful Submission: 2026-03-23 19:12:48

Pasting into the Desktop

Time of First Successful Submission: 2026-03-23 19:15:03

Restarting Challenges

Time of First Successful Submission: 2026-03-23 19:17:18

Challenge Programs

Time of First Successful Submission: 2026-03-23 19:22:29

The Flag File

Time of First Successful Submission: 2026-03-23 19:24:16

Using Privileged Mode

Time of First Successful Submission: 2026-03-23 19:28:18

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-23 19:30:20

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-23 19:31:16

Linux Luminarium

128 / 128 2634 / 32419

Intro to Commands

Time of First Successful Submission: 2026-03-23 19:39:51

Intro to Arguments

Time of First Successful Submission: 2026-03-23 19:47:10

Command History

Time of First Successful Submission: 2026-03-23 19:47:50

The Root

Time of First Successful Submission: 2026-03-23 19:48:45

Program and absolute paths

Time of First Successful Submission: 2026-03-23 19:49:24

Position thy self

Time of First Successful Submission: 2026-03-23 19:50:25

Position elsewhere

Time of First Successful Submission: 2026-03-23 19:52:12

implicit relative paths, from /

Time of First Successful Submission: 2026-03-23 19:54:31

explicit relative paths, from /

Time of First Successful Submission: 2026-03-23 19:55:31

implicit relative path

Time of First Successful Submission: 2026-03-23 19:57:05

home sweet home

Time of First Successful Submission: 2026-03-23 20:05:36

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-24 16:43:24

catting absolute paths

Time of First Successful Submission: 2026-03-24 16:44:48

more catting practice

Time of First Successful Submission: 2026-03-24 16:46:48

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-24 16:48:44

comparing files

Time of First Successful Submission: 2026-03-24 16:50:08

listing files

Time of First Successful Submission: 2026-03-24 16:51:41

touching files

Time of First Successful Submission: 2026-03-24 16:52:44

removing files

Time of First Successful Submission: 2026-03-24 16:53:29

moving files

Time of First Successful Submission: 2026-03-24 16:54:31

copying files

Time of First Successful Submission: 2026-03-24 16:55:16

hidden files

Time of First Successful Submission: 2026-03-24 16:56:10

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-24 17:02:55

making directories

Time of First Successful Submission: 2026-03-24 17:04:35

finding files

Time of First Successful Submission: 2026-03-24 17:07:13

linking files

Time of First Successful Submission: 2026-03-24 17:10:31

Learning From Documentation

Time of First Successful Submission: 2026-03-25 11:01:33

Learning Complex Usage

Time of First Successful Submission: 2026-03-25 11:02:39

Reading Manuals

Time of First Successful Submission: 2026-03-25 11:04:26

Searching Manuals

Time of First Successful Submission: 2026-03-25 11:05:40

Searching For Manuals

Time of First Successful Submission: 2026-03-25 11:13:39

Helpful Programs

Time of First Successful Submission: 2026-03-25 11:20:16

Help for Builtins

Time of First Successful Submission: 2026-03-25 11:21:14

Matching with *

Time of First Successful Submission: 2026-03-25 11:22:54

Matching with ?

Time of First Successful Submission: 2026-03-25 11:28:07

Matching with []

Time of First Successful Submission: 2026-03-25 11:30:43

Matching paths with []

Time of First Successful Submission: 2026-03-25 11:32:28

Multiple globs

Time of First Successful Submission: 2026-03-25 11:34:39

Mixing globs

Time of First Successful Submission: 2026-03-25 11:44:45

Exclusionary globbing

Time of First Successful Submission: 2026-03-25 11:46:00

Tab completion

Time of First Successful Submission: 2026-03-25 11:47:09

Multiple options for tab completion

Time of First Successful Submission: 2026-03-25 11:48:32

Tab completion on commands

Time of First Successful Submission: 2026-03-25 11:49:28

Redirecting output

Time of First Successful Submission: 2026-03-27 12:43:47

Redirecting more output

Time of First Successful Submission: 2026-03-27 12:46:12

Appending output

Time of First Successful Submission: 2026-03-27 12:47:23

Redirecting errors

Time of First Successful Submission: 2026-03-27 12:50:35

Redirecting input

Time of First Successful Submission: 2026-03-27 12:52:10

Grepping stored results

Time of First Successful Submission: 2026-03-27 12:54:02

Grepping live output

Time of First Successful Submission: 2026-03-27 12:55:09

Grepping errors

Time of First Successful Submission: 2026-03-27 12:57:30

Filtering with grep -v

Time of First Successful Submission: 2026-03-27 12:58:34

Filtering with sed

Time of First Successful Submission: 2026-03-27 13:01:32

Duplicating piped data with tee

Time of First Successful Submission: 2026-03-27 13:09:23

Process substitution for input

Time of First Successful Submission: 2026-03-27 13:15:19

Writing to multiple programs

Time of First Successful Submission: 2026-03-27 13:22:03

Split-piping stderr and stdout

Time of First Successful Submission: 2026-03-27 13:30:58

Named pipes

Time of First Successful Submission: 2026-03-28 11:23:31

Printing Variables

Time of First Successful Submission: 2026-03-28 11:24:27

Setting Variables

Time of First Successful Submission: 2026-03-28 11:37:21

Multi-word Variables

Time of First Successful Submission: 2026-03-28 11:26:07

Exporting Variables

Time of First Successful Submission: 2026-03-28 11:28:19

Printing Exported Variables

Time of First Successful Submission: 2026-03-28 11:29:21

Storing Command Output

Time of First Successful Submission: 2026-03-28 11:30:59

Reading Input

Time of First Successful Submission: 2026-03-28 11:34:26

Reading Files

Time of First Successful Submission: 2026-03-28 11:35:46

Translating characters

Time of First Successful Submission: 2026-03-28 11:48:16

Deleting characters

Time of First Successful Submission: 2026-03-28 11:51:43

Deleting newlines

Time of First Successful Submission: 2026-03-28 11:52:27

Extracting the first lines with head

Time of First Successful Submission: 2026-03-28 11:54:07

Extracting specific sections of text

Time of First Successful Submission: 2026-03-28 11:56:22

Sorting data

Time of First Successful Submission: 2026-03-28 11:57:53

Listing Processes

Time of First Successful Submission: 2026-03-28 12:08:18

Killing Processes

Time of First Successful Submission: 2026-03-28 12:09:50

Interrupting Processes

Time of First Successful Submission: 2026-03-28 12:10:42

Killing Misbehaving Processes

Time of First Successful Submission: 2026-03-28 12:15:40

Suspending Processes

Time of First Successful Submission: 2026-03-28 12:17:08

Resuming Processes

Time of First Successful Submission: 2026-03-28 12:17:42

Backgrounding Processes

Time of First Successful Submission: 2026-03-28 12:19:27

Foregrounding Processes

Time of First Successful Submission: 2026-03-28 12:20:41

Starting Backgrounded Processes

Time of First Successful Submission: 2026-03-28 12:21:24

Process Exit Codes

Time of First Successful Submission: 2026-03-28 12:26:11

Becoming root with su

Time of First Successful Submission: 2026-03-28 12:30:40

Other users with su

Time of First Successful Submission: 2026-03-28 12:31:45

Cracking passwords

Time of First Successful Submission: 2026-03-28 12:40:24

Using sudo

Time of First Successful Submission: 2026-03-28 12:43:30

Changing File Ownership

Time of First Successful Submission: 2026-03-28 20:30:15

Groups and Files

Time of First Successful Submission: 2026-03-28 20:35:56

Fun With Groups Names

Time of First Successful Submission: 2026-03-28 20:40:58

Changing Permissions

Time of First Successful Submission: 2026-03-28 20:44:59

Executable Files

Time of First Successful Submission: 2026-03-28 20:47:24

Permission Tweaking Practice

Time of First Successful Submission: 2026-03-28 21:01:07

Permissions Setting Practice

Time of First Successful Submission: 2026-03-28 21:08:18

The SUID Bit

Time of First Successful Submission: 2026-03-28 21:11:01

Chaining with Semicolons

Time of First Successful Submission: 2026-03-26 10:44:37

Building on Success

Time of First Successful Submission: 2026-03-26 10:46:38

Handling Failure

Time of First Successful Submission: 2026-03-26 10:47:18

Your First Shell Script

Time of First Successful Submission: 2026-03-26 10:48:52

Redirecting Script Output

Time of First Successful Submission: 2026-03-26 10:51:21

Executable Shell Scripts

Time of First Successful Submission: 2026-03-26 10:53:53

Understanding Shebangs

Time of First Successful Submission: 2026-03-26 10:56:43

Scripting with Arguments

Time of First Successful Submission: 2026-03-26 10:59:58

Scripting with Conditionals

Time of First Successful Submission: 2026-03-26 16:15:20

Scripting with Default Cases

Time of First Successful Submission: 2026-03-26 16:17:58

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-03-26 16:23:04

Reading Shell Scripts

Time of First Successful Submission: 2026-03-26 16:27:21

Launching Screen

Time of First Successful Submission: 2026-03-29 16:52:58

Detaching and Attaching

Time of First Successful Submission: 2026-03-29 16:55:25

Finding Sessions

Time of First Successful Submission: 2026-03-29 17:07:12

Switching Windows

Time of First Successful Submission: 2026-03-29 17:09:50

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-03-29 17:11:13

Switching Windows (tmux)

Time of First Successful Submission: 2026-03-29 17:17:56

The PATH Variable

Time of First Successful Submission: 2026-03-26 10:40:17

Setting PATH

Time of First Successful Submission: 2026-03-26 10:41:38

Finding Commands

Time of First Successful Submission: 2026-03-26 10:42:36

Adding Commands

Time of First Successful Submission: 2026-03-26 16:37:26

Hijacking Commands

Time of First Successful Submission: 2026-03-26 16:44:59

Bashrc Backdoor

Time of First Successful Submission: 2026-03-29 17:36:49

Sniffing Input

Time of First Successful Submission: 2026-03-29 18:17:23

Overshared Directories

Time of First Successful Submission: 2026-03-29 18:30:28

Tricky Linking

Time of First Successful Submission: 2026-03-29 18:36:06

Sniffing Process Arguments

Time of First Successful Submission: 2026-03-29 18:39:15

Snooping on Configurations

Time of First Successful Submission: 2026-03-29 18:42:05

The Fork Bomb

Time of First Successful Submission: 2026-03-29 19:17:40

Disk-Space Doomsday

Time of First Successful Submission: 2026-03-30 16:22:29

rm -rf /

Time of First Successful Submission: 2026-03-30 16:26:14

Life after rm -rf /

Time of First Successful Submission: 2026-03-30 16:33:31

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-03-30 16:41:31

Computing 101

71 / 94 947 / 21537

Your First Register

Time of First Successful Submission: 2026-03-30 16:54:15

Your First Syscall

Time of First Successful Submission: 2026-03-30 16:59:53

Exit Codes

Time of First Successful Submission: 2026-03-30 17:01:46

Building Executables

Time of First Successful Submission: 2026-03-30 17:08:30

Moving Between Registers

Time of First Successful Submission: 2026-03-30 17:12:17

Loading From Memory

Time of First Successful Submission: 2026-03-31 10:53:03

More Loading Practice

Time of First Successful Submission: 2026-03-31 10:55:09

Dereferencing Pointers

Time of First Successful Submission: 2026-03-31 10:59:52

Dereferencing Yourself

Time of First Successful Submission: 2026-03-31 11:05:08

Dereferencing with Offsets

Time of First Successful Submission: 2026-03-31 11:08:33

Stored Addresses

Time of First Successful Submission: 2026-03-31 11:12:40

Double Dereference

Time of First Successful Submission: 2026-03-31 11:17:03

The Stack

Time of First Successful Submission: 2026-03-31 21:00:22

Stack Offsets

Time of First Successful Submission: 2026-03-31 21:04:08

Program Arguments on the Stack

Time of First Successful Submission: 2026-03-31 21:17:11

Popping From the Stack

Time of First Successful Submission: 2026-03-31 21:28:43

Disassembling Programs

Time of First Successful Submission: 2026-04-01 10:37:40

Tracing Syscalls

Time of First Successful Submission: 2026-04-01 10:43:13

Starting GDB

Time of First Successful Submission: 2026-04-01 10:44:44

Quitting GDB

Time of First Successful Submission: 2026-04-01 10:45:36

Starting Programs in GDB

Time of First Successful Submission: 2026-04-01 10:47:43

Disassembling in GDB

Time of First Successful Submission: 2026-04-01 10:48:57

Stepping Through Instructions

Time of First Successful Submission: 2026-04-01 10:51:07

Reading Register Values

Time of First Successful Submission: 2026-04-01 10:52:23

Popping Stack Values

Time of First Successful Submission: 2026-04-01 10:54:38

Examining Memory

Time of First Successful Submission: 2026-04-01 10:57:23

Examining Stack Pointers

Time of First Successful Submission: 2026-04-01 11:01:49

Cooperative Debugging

Time of First Successful Submission: 2026-04-01 11:14:23

Writing Output

Time of First Successful Submission: 2026-04-01 16:49:38

Chaining Syscalls

Time of First Successful Submission: 2026-04-01 16:53:00

Writing Strings

Time of First Successful Submission: 2026-04-01 16:54:54

Reading Data

Time of First Successful Submission: 2026-04-01 17:11:19

Opening Files

Time of First Successful Submission: 2026-04-01 20:15:35

Hardcoding the Filename

Time of First Successful Submission: 2026-04-01 20:25:26

Comparing Values

Time of First Successful Submission: 2026-04-02 17:18:04

Comparing Characters

Time of First Successful Submission: 2026-04-02 17:22:35

Conditional Control Flow

Time of First Successful Submission: 2026-04-02 17:31:23

Comparing Strings

Time of First Successful Submission: 2026-04-02 17:36:06

Reverse the Password

Time of First Successful Submission: 2026-04-02 17:41:03

Conditionals Without Conditionals

Time of First Successful Submission: 2026-04-02 18:04:56

Looping

Time of First Successful Submission: 2026-04-04 17:40:58

set-register

Time of First Successful Submission: 2026-03-19 17:06:46

set-multiple-registers

Time of First Successful Submission: 2026-03-19 17:11:55

add-to-register

Time of First Successful Submission: 2026-03-19 17:15:18

linear-equation-registers

Time of First Successful Submission: 2026-03-20 19:41:27

integer-division

Time of First Successful Submission: 2026-03-20 19:48:23

modulo-operation

Time of First Successful Submission: 2026-03-20 20:00:41

set-upper-byte

Time of First Successful Submission: 2026-03-20 20:05:41

efficient-modulo

Time of First Successful Submission: 2026-03-20 20:34:03

byte-extraction

Time of First Successful Submission: 2026-03-20 20:51:03

bitwise-and

Time of First Successful Submission: 2026-03-21 10:15:48

check-even

Time of First Successful Submission: 2026-03-21 10:42:20

memory-read

Time of First Successful Submission: 2026-03-21 10:47:40

memory-write

Time of First Successful Submission: 2026-03-21 10:56:11

memory-increment

Time of First Successful Submission: 2026-03-21 11:09:38

byte-access

Time of First Successful Submission: 2026-03-21 11:13:37

memory-size-access

Time of First Successful Submission: 2026-03-21 13:00:57

little-endian-write

Time of First Successful Submission: 2026-03-21 13:23:44

memory-sum

Time of First Successful Submission: 2026-03-21 13:31:42

stack-subtraction

Time of First Successful Submission: 2026-03-21 17:37:14

swap-stack-values

Time of First Successful Submission: 2026-03-21 17:41:57

average-stack-values

Time of First Successful Submission: 2026-03-21 18:01:12

absolute-jump

Time of First Successful Submission: 2026-03-21 18:08:36

relative-jump

Time of First Successful Submission: 2026-03-22 16:55:40

jump-trampoline

Time of First Successful Submission: 2026-03-22 17:20:23

conditional-jump

Time of First Successful Submission: 2026-03-22 17:46:13

indirect-jump

Time of First Successful Submission: 2026-03-22 18:41:30

average-loop

Time of First Successful Submission: 2026-03-23 11:41:21

count-non-zero

Time of First Successful Submission: 2026-03-23 12:12:48

string-lower

Time of First Successful Submission: 2026-03-23 13:29:45

most-common-byte

Time of First Successful Submission: 2026-03-23 18:08:29

Playing With Programs

5 / 116 19986 / 23388

What's the password?

Time of First Successful Submission: 2026-04-03 20:15:40

... and again!

Time of First Successful Submission: 2026-04-03 20:16:37

Newline Troubles

Time of First Successful Submission: 2026-04-03 20:22:22

Reasoning about files

Time of First Successful Submission: 2026-04-03 20:25:29

Specifying Filenames

Time of First Successful Submission: 2026-04-03 20:27:39

GCA CTF

12 / 104 2087 / 43659

Using the Terminal

Time of First Successful Submission: 2026-03-23 19:07:46

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-23 19:08:48

Using the GUI Desktop

Time of First Successful Submission: 2026-03-23 19:12:48

Pasting into the Desktop

Time of First Successful Submission: 2026-03-23 19:15:03

Connecting over SSH

Time of First Successful Submission: 2026-03-23 19:15:58

Restarting Challenges

Time of First Successful Submission: 2026-03-23 19:17:18

Getting Help

Time of First Successful Submission: 2026-03-23 19:21:22

Challenge Programs

Time of First Successful Submission: 2026-03-23 19:22:29

The Flag File

Time of First Successful Submission: 2026-03-23 19:24:16

Using Privileged Mode

Time of First Successful Submission: 2026-03-23 19:28:18

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-23 19:30:20

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-23 19:31:16

Pwntools Tutorials

11 / 12 424 / 1221

Level 0.0

Time of First Successful Submission: 2026-03-17 13:39:04

Level 1.0

Time of First Successful Submission: 2026-03-17 14:11:50

Level 1.1

Time of First Successful Submission: 2026-03-17 14:50:02

Level 2.0

Time of First Successful Submission: 2026-03-17 15:02:08

Level 2.1

Time of First Successful Submission: 2026-03-17 15:10:05

Level 2.2

Time of First Successful Submission: 2026-03-17 15:40:26

Level 2.3

Time of First Successful Submission: 2026-03-17 21:11:02

Level 2.4

Time of First Successful Submission: 2026-03-17 21:18:03

Level 2.5

Time of First Successful Submission: 2026-03-17 21:29:31

Level 2.6

Time of First Successful Submission: 2026-03-17 21:46:12

Level 3.0

Time of First Successful Submission: 2026-03-18 14:35:00