DoubtM@n

United States

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-03-21 16:37:16

Command Arguments

Time of First Successful Submission: 2026-03-21 16:38:21

Command History

Time of First Successful Submission: 2026-03-21 16:39:04

The Root Path

Time of First Successful Submission: 2026-03-21 16:40:29

Absolute Paths

Time of First Successful Submission: 2026-03-21 16:44:39

Changing position

Time of First Successful Submission: 2026-03-21 17:02:05

Changing to an Absolute Path

Time of First Successful Submission: 2026-03-21 17:03:56

Relative Paths

Time of First Successful Submission: 2026-03-21 17:06:28

Cat

Time of First Successful Submission: 2026-03-21 18:56:21

Ls

Time of First Successful Submission: 2026-03-21 19:26:43

Ls All

Time of First Successful Submission: 2026-03-21 20:30:02

Find

Time of First Successful Submission: 2026-03-23 02:49:25

Piping Echo

Time of First Successful Submission: 2026-03-25 00:40:56

Piping Stdout

Time of First Successful Submission: 2026-03-25 00:42:08


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-03-21 15:30:50

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-21 15:33:39

Using the GUI Desktop

Time of First Successful Submission: 2026-03-21 15:37:34

Pasting into the Desktop

Time of First Successful Submission: 2026-03-21 15:40:59

Restarting Challenges

Time of First Successful Submission: 2026-03-21 15:46:40

Challenge Programs

Time of First Successful Submission: 2026-03-21 15:50:09

The Flag File

Time of First Successful Submission: 2026-03-21 16:22:03

Using Privileged Mode

Time of First Successful Submission: 2026-03-21 16:25:35

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-21 16:31:56

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-21 16:33:09


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-03-21 16:37:16

Intro to Arguments

Time of First Successful Submission: 2026-03-21 16:38:21

Command History

Time of First Successful Submission: 2026-03-21 16:39:04

The Root

Time of First Successful Submission: 2026-03-21 16:40:29

Program and absolute paths

Time of First Successful Submission: 2026-03-21 16:44:39

Position thy self

Time of First Successful Submission: 2026-03-21 17:02:05

Position elsewhere

Time of First Successful Submission: 2026-03-21 17:03:56

implicit relative paths, from /

Time of First Successful Submission: 2026-03-21 17:06:28

explicit relative paths, from /

Time of First Successful Submission: 2026-03-28 18:07:56

implicit relative path

Time of First Successful Submission: 2026-03-28 18:09:32

home sweet home

Time of First Successful Submission: 2026-03-28 18:15:56

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-21 18:56:21

catting absolute paths

Time of First Successful Submission: 2026-03-21 18:57:21

more catting practice

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

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-21 19:23:44

comparing files

Time of First Successful Submission: 2026-03-21 19:25:11

listing files

Time of First Successful Submission: 2026-03-21 19:26:43

touching files

Time of First Successful Submission: 2026-03-21 19:30:33

removing files

Time of First Successful Submission: 2026-03-21 19:31:41

moving files

Time of First Successful Submission: 2026-03-21 20:26:02

copying files

Time of First Successful Submission: 2026-03-21 20:28:28

hidden files

Time of First Successful Submission: 2026-03-21 20:30:02

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-21 21:45:55

making directories

Time of First Successful Submission: 2026-03-21 21:47:07

finding files

Time of First Successful Submission: 2026-03-23 02:49:25

linking files

Time of First Successful Submission: 2026-03-23 03:07:27

Learning From Documentation

Time of First Successful Submission: 2026-03-23 03:10:28

Learning Complex Usage

Time of First Successful Submission: 2026-03-23 03:12:29

Reading Manuals

Time of First Successful Submission: 2026-03-23 03:20:41

Searching Manuals

Time of First Successful Submission: 2026-03-23 03:27:14

Searching For Manuals

Time of First Successful Submission: 2026-03-23 03:54:45

Helpful Programs

Time of First Successful Submission: 2026-03-23 03:57:30

Help for Builtins

Time of First Successful Submission: 2026-03-23 04:03:24

Matching with *

Time of First Successful Submission: 2026-03-23 05:04:09

Matching with ?

Time of First Successful Submission: 2026-03-23 05:05:09

Matching with []

Time of First Successful Submission: 2026-03-30 13:08:29

Matching paths with []

Time of First Successful Submission: 2026-03-30 13:09:13

Multiple globs

Time of First Successful Submission: 2026-03-30 13:11:11

Redirecting output

Time of First Successful Submission: 2026-03-25 00:40:56

Redirecting more output

Time of First Successful Submission: 2026-03-25 00:42:08

Appending output

Time of First Successful Submission: 2026-03-29 20:19:56

Redirecting errors

Time of First Successful Submission: 2026-04-02 06:19:22

Printing Variables

Time of First Successful Submission: 2026-03-25 17:15:24

Setting Variables

Time of First Successful Submission: 2026-03-25 17:16:02

Multi-word Variables

Time of First Successful Submission: 2026-03-27 01:01:54

Exporting Variables

Time of First Successful Submission: 2026-03-27 01:03:53

Printing Exported Variables

Time of First Successful Submission: 2026-03-27 01:04:59

Storing Command Output

Time of First Successful Submission: 2026-03-27 01:08:01

Reading Input

Time of First Successful Submission: 2026-03-27 01:08:54

Reading Files

Time of First Successful Submission: 2026-03-27 01:14:33

Translating characters

Time of First Successful Submission: 2026-04-01 02:49:33

Deleting characters

Time of First Successful Submission: 2026-04-01 02:52:05

Deleting newlines

Time of First Successful Submission: 2026-04-01 02:54:58

Extracting the first lines with head

Time of First Successful Submission: 2026-04-01 02:58:56

Extracting specific sections of text

Time of First Successful Submission: 2026-04-01 03:02:57

Sorting data

Time of First Successful Submission: 2026-04-01 03:06:37

Listing Processes

Time of First Successful Submission: 2026-03-28 16:13:57

Killing Processes

Time of First Successful Submission: 2026-03-28 16:15:00

Interrupting Processes

Time of First Successful Submission: 2026-03-29 20:21:22

Becoming root with su

Time of First Successful Submission: 2026-03-27 01:16:52

Other users with su

Time of First Successful Submission: 2026-03-27 01:18:12

Cracking passwords

Time of First Successful Submission: 2026-03-27 01:25:16

Using sudo

Time of First Successful Submission: 2026-03-27 01:26:06

Changing File Ownership

Time of First Successful Submission: 2026-03-31 18:50:16

Groups and Files

Time of First Successful Submission: 2026-04-01 22:45:23

Fun With Groups Names

Time of First Successful Submission: 2026-04-01 22:47:26

Chaining with Semicolons

Time of First Successful Submission: 2026-04-03 02:34:07

Building on Success

Time of First Successful Submission: 2026-04-04 00:28:21

Handling Failure

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

Launching Screen

Time of First Successful Submission: 2026-03-27 21:19:59

Detaching and Attaching

Time of First Successful Submission: 2026-03-27 21:21:54

Finding Sessions

Time of First Successful Submission: 2026-03-28 00:06:49

Switching Windows

Time of First Successful Submission: 2026-03-28 00:08:27

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-03-28 00:09:50

Switching Windows (tmux)

Time of First Successful Submission: 2026-03-28 00:17:39


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-03-21 15:30:50

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-21 15:33:39

Using the GUI Desktop

Time of First Successful Submission: 2026-03-21 15:37:34

Pasting into the Desktop

Time of First Successful Submission: 2026-03-21 15:40:59

Connecting over SSH

Time of First Successful Submission: 2026-03-21 17:27:21

Restarting Challenges

Time of First Successful Submission: 2026-03-21 15:46:40

Getting Help

Time of First Successful Submission: 2026-03-21 18:40:07

Challenge Programs

Time of First Successful Submission: 2026-03-21 15:50:09

The Flag File

Time of First Successful Submission: 2026-03-21 16:22:03

Using Privileged Mode

Time of First Successful Submission: 2026-03-21 16:25:35

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-21 16:31:56

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-21 16:33:09