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1 / 202 17170 / 22764


Triple Dereference

Time of First Successful Submission: 2025-02-07 07:25:11


Intro to Programming Languages

14 / 234 13303 / 31125


Commands

Time of First Successful Submission: 2025-01-29 18:35:53

Command Arguments

Time of First Successful Submission: 2025-01-29 18:36:40

The Root Path

Time of First Successful Submission: 2025-01-29 18:38:10

Absolute Paths

Time of First Successful Submission: 2025-01-29 18:39:06

Changing position

Time of First Successful Submission: 2025-01-29 18:40:38

Changing to an Absolute Path

Time of First Successful Submission: 2025-01-29 18:43:05

Relative Paths

Time of First Successful Submission: 2025-01-29 18:50:09

Cat

Time of First Successful Submission: 2025-01-29 19:01:19

Ls

Time of First Successful Submission: 2025-01-29 19:04:52

Ls All

Time of First Successful Submission: 2025-01-29 19:08:30

Find

Time of First Successful Submission: 2025-01-29 19:25:01

Piping Echo

Time of First Successful Submission: 2025-01-31 12:11:54

Piping Stdout

Time of First Successful Submission: 2025-01-31 12:15:37

Piping Stdin

Time of First Successful Submission: 2025-01-31 12:26:34


Start Here

10 / 12 13659 / 42192


Using the VSCode Workspace

Time of First Successful Submission: 2025-01-28 19:14:37

Using the GUI Desktop

Time of First Successful Submission: 2025-01-28 19:26:04

Pasting into the Desktop

Time of First Successful Submission: 2025-01-28 19:28:13

Restarting Challenges

Time of First Successful Submission: 2025-01-28 19:33:04

Challenge Programs

Time of First Successful Submission: 2025-01-28 19:43:45

The Flag File

Time of First Successful Submission: 2025-01-28 19:46:49

Using Privileged Mode

Time of First Successful Submission: 2025-01-28 19:49:48

Persistent Home Directories - One

Time of First Successful Submission: 2025-01-28 19:52:30

Persistent Home Directories - Two

Time of First Successful Submission: 2025-01-28 19:53:08


Linux Luminarium

83 / 128 9719 / 31521


Intro to Commands

Time of First Successful Submission: 2025-01-29 18:35:53

Intro to Arguments

Time of First Successful Submission: 2025-01-29 18:36:40

The Root

Time of First Successful Submission: 2025-01-29 18:38:10

Program and absolute paths

Time of First Successful Submission: 2025-01-29 18:39:06

Position thy self

Time of First Successful Submission: 2025-01-29 18:40:38

Position elsewhere

Time of First Successful Submission: 2025-01-29 18:43:05

implicit relative paths, from /

Time of First Successful Submission: 2025-01-29 18:50:09

explicit relative paths, from /

Time of First Successful Submission: 2025-01-29 18:52:33

implicit relative path

Time of First Successful Submission: 2025-01-29 18:53:45

home sweet home

Time of First Successful Submission: 2025-01-29 18:58:47

cat: not the pet, but the command!

Time of First Successful Submission: 2025-01-29 19:01:19

catting absolute paths

Time of First Successful Submission: 2025-01-29 19:02:01

more catting practice

Time of First Successful Submission: 2025-01-29 19:02:57

grepping for a needle in a haystack

Time of First Successful Submission: 2025-01-29 19:04:03

listing files

Time of First Successful Submission: 2025-01-29 19:04:52

touching files

Time of First Successful Submission: 2025-01-29 19:06:43

removing files

Time of First Successful Submission: 2025-01-29 19:07:27

hidden files

Time of First Successful Submission: 2025-01-29 19:08:30

An Epic Filesystem Quest

Time of First Successful Submission: 2025-01-29 19:18:43

making directories

Time of First Successful Submission: 2025-01-29 19:19:55

finding files

Time of First Successful Submission: 2025-01-29 19:25:01

linking files

Time of First Successful Submission: 2025-01-29 20:32:04

Learning From Documentation

Time of First Successful Submission: 2025-01-29 19:31:40

Learning Complex Usage

Time of First Successful Submission: 2025-01-29 19:35:30

Reading Manuals

Time of First Successful Submission: 2025-01-29 19:41:52

Searching Manuals

Time of First Successful Submission: 2025-01-29 19:53:24

Searching For Manuals

Time of First Successful Submission: 2025-01-29 20:16:09

Helpful Programs

Time of First Successful Submission: 2025-01-29 20:18:45

Help for Builtins

Time of First Successful Submission: 2025-01-29 20:20:51

Matching with *

Time of First Successful Submission: 2025-01-29 20:36:25

Matching with ?

Time of First Successful Submission: 2025-01-31 11:02:43

Matching with []

Time of First Successful Submission: 2025-01-31 11:06:03

Matching paths with []

Time of First Successful Submission: 2025-01-31 11:09:11

Mixing globs

Time of First Successful Submission: 2025-01-31 11:25:23

Exclusionary globbing

Time of First Successful Submission: 2025-01-31 11:42:25

Redirecting output

Time of First Successful Submission: 2025-01-31 12:11:54

Redirecting more output

Time of First Successful Submission: 2025-01-31 12:15:37

Appending output

Time of First Successful Submission: 2025-01-31 12:17:42

Redirecting errors

Time of First Successful Submission: 2025-01-31 12:22:59

Redirecting input

Time of First Successful Submission: 2025-01-31 12:26:34

Grepping stored results

Time of First Successful Submission: 2025-01-31 12:49:53

Grepping live output

Time of First Successful Submission: 2025-01-31 12:50:35

Grepping errors

Time of First Successful Submission: 2025-01-31 13:11:12

Duplicating piped data with tee

Time of First Successful Submission: 2025-02-01 19:13:59

Writing to multiple programs

Time of First Successful Submission: 2025-02-01 19:32:59

Split-piping stderr and stdout

Time of First Successful Submission: 2025-02-01 19:55:26

Printing Variables

Time of First Successful Submission: 2025-02-01 20:01:16

Setting Variables

Time of First Successful Submission: 2025-02-01 20:08:38

Multi-word Variables

Time of First Successful Submission: 2025-02-01 20:09:30

Exporting Variables

Time of First Successful Submission: 2025-02-01 20:15:12

Printing Exported Variables

Time of First Successful Submission: 2025-02-01 20:16:06

Storing Command Output

Time of First Successful Submission: 2025-02-01 20:20:10

Reading Input

Time of First Successful Submission: 2025-02-01 20:24:07

Reading Files

Time of First Successful Submission: 2025-02-01 20:28:33

Listing Processes

Time of First Successful Submission: 2025-02-01 20:41:47

Killing Processes

Time of First Successful Submission: 2025-02-02 18:33:22

Interrupting Processes

Time of First Successful Submission: 2025-02-02 18:34:14

Suspending Processes

Time of First Successful Submission: 2025-02-02 18:39:16

Resuming Processes

Time of First Successful Submission: 2025-02-02 18:40:20

Backgrounding Processes

Time of First Successful Submission: 2025-02-02 18:42:58

Foregrounding Processes

Time of First Successful Submission: 2025-02-02 18:45:29

Starting Backgrounded Processes

Time of First Successful Submission: 2025-02-02 18:46:15

Process Exit Codes

Time of First Successful Submission: 2025-02-02 18:49:39

Becoming root with su

Time of First Successful Submission: 2025-02-04 19:53:34

Other users with su

Time of First Successful Submission: 2025-02-04 19:55:29

Cracking passwords

Time of First Successful Submission: 2025-02-04 20:03:40

Using sudo

Time of First Successful Submission: 2025-02-04 21:02:54

Changing File Ownership

Time of First Successful Submission: 2025-02-02 20:08:47

Groups and Files

Time of First Successful Submission: 2025-02-02 20:07:44

Fun With Groups Names

Time of First Successful Submission: 2025-02-02 20:09:50

Changing Permissions

Time of First Successful Submission: 2025-02-04 18:29:44

Executable Files

Time of First Successful Submission: 2025-02-04 18:31:19

Permission Tweaking Practice

Time of First Successful Submission: 2025-02-04 19:33:01

Permissions Setting Practice

Time of First Successful Submission: 2025-02-04 19:43:23

The SUID Bit

Time of First Successful Submission: 2025-02-04 19:50:44

Chaining with Semicolons

Time of First Successful Submission: 2025-02-04 21:04:47

Your First Shell Script

Time of First Successful Submission: 2025-02-04 21:08:17

Redirecting Script Output

Time of First Successful Submission: 2025-02-04 21:14:49

Executable Shell Scripts

Time of First Successful Submission: 2025-02-04 21:16:34

The PATH Variable

Time of First Successful Submission: 2025-02-04 21:20:06

Setting PATH

Time of First Successful Submission: 2025-02-04 21:21:56

Adding Commands

Time of First Successful Submission: 2025-02-04 21:37:14

Hijacking Commands

Time of First Successful Submission: 2025-02-04 21:46:23


Computing 101

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Your First Register

Time of First Successful Submission: 2025-02-05 20:37:57

Your First Syscall

Time of First Successful Submission: 2025-02-05 21:08:41

Exit Codes

Time of First Successful Submission: 2025-02-05 21:15:54

Building Executables

Time of First Successful Submission: 2025-02-05 21:37:37

Moving Between Registers

Time of First Successful Submission: 2025-02-05 21:57:02

Loading From Memory

Time of First Successful Submission: 2025-02-06 19:55:46

More Loading Practice

Time of First Successful Submission: 2025-02-06 20:03:16

Dereferencing Pointers

Time of First Successful Submission: 2025-02-06 20:20:35

Dereferencing Yourself

Time of First Successful Submission: 2025-02-06 20:25:52

Dereferencing with Offsets

Time of First Successful Submission: 2025-02-06 20:28:32

Stored Addresses

Time of First Successful Submission: 2025-02-07 05:57:35

Double Dereference

Time of First Successful Submission: 2025-02-07 06:26:34

Tracing Syscalls

Time of First Successful Submission: 2025-02-05 22:05:22

Starting GDB

Time of First Successful Submission: 2025-02-05 22:06:41

Starting Programs in GDB

Time of First Successful Submission: 2025-02-05 22:07:44


GCA CTF

10 / 104 13786 / 42469


Using the VSCode Workspace

Time of First Successful Submission: 2025-01-28 19:14:37

Using the GUI Desktop

Time of First Successful Submission: 2025-01-28 19:26:04

Pasting into the Desktop

Time of First Successful Submission: 2025-01-28 19:28:13

Restarting Challenges

Time of First Successful Submission: 2025-01-28 19:33:04

Getting Help

Time of First Successful Submission: 2025-01-28 19:35:20

Challenge Programs

Time of First Successful Submission: 2025-01-28 19:43:45

The Flag File

Time of First Successful Submission: 2025-01-28 19:46:49

Using Privileged Mode

Time of First Successful Submission: 2025-01-28 19:49:48

Persistent Home Directories - One

Time of First Successful Submission: 2025-01-28 19:52:30

Persistent Home Directories - Two

Time of First Successful Submission: 2025-01-28 19:53:08