provoskiy

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-04-02 15:59:31

Command Arguments

Time of First Successful Submission: 2026-04-02 16:00:30

Command History

Time of First Successful Submission: 2026-04-02 16:01:20

The Root Path

Time of First Successful Submission: 2026-04-02 19:59:01

Absolute Paths

Time of First Successful Submission: 2026-04-02 20:02:08

Changing position

Time of First Successful Submission: 2026-04-02 21:06:37

Changing to an Absolute Path

Time of First Successful Submission: 2026-04-03 09:46:40

Relative Paths

Time of First Successful Submission: 2026-04-03 09:50:30

Cat

Time of First Successful Submission: 2026-04-11 07:32:22

Ls

Time of First Successful Submission: 2026-04-11 07:42:16

Ls All

Time of First Successful Submission: 2026-04-11 07:50:45

Find

Time of First Successful Submission: 2026-04-11 08:02:24

Piping Echo

Time of First Successful Submission: 2026-04-12 07:54:47

Piping Stdout

Time of First Successful Submission: 2026-04-12 07:55:48

Piping Stdin

Time of First Successful Submission: 2026-04-12 08:01:32


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-03-31 20:22:41

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-31 20:24:24

Using the GUI Desktop

Time of First Successful Submission: 2026-03-31 20:27:52

Pasting into the Desktop

Time of First Successful Submission: 2026-03-31 20:30:20

Restarting Challenges

Time of First Successful Submission: 2026-03-31 20:39:28

Challenge Programs

Time of First Successful Submission: 2026-03-31 20:41:38

The Flag File

Time of First Successful Submission: 2026-03-31 20:43:55

Using Privileged Mode

Time of First Successful Submission: 2026-03-31 20:48:12

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-31 20:50:01

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-31 20:50:34


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-04-02 15:59:31

Intro to Arguments

Time of First Successful Submission: 2026-04-02 16:00:30

Command History

Time of First Successful Submission: 2026-04-02 16:01:20

The Root

Time of First Successful Submission: 2026-04-02 19:59:01

Program and absolute paths

Time of First Successful Submission: 2026-04-02 20:02:08

Position thy self

Time of First Successful Submission: 2026-04-02 21:06:37

Position elsewhere

Time of First Successful Submission: 2026-04-03 09:46:40

implicit relative paths, from /

Time of First Successful Submission: 2026-04-03 09:50:30

explicit relative paths, from /

Time of First Successful Submission: 2026-04-03 09:52:05

implicit relative path

Time of First Successful Submission: 2026-04-03 09:54:41

home sweet home

Time of First Successful Submission: 2026-04-03 09:57:46

cat: not the pet, but the command!

Time of First Successful Submission: 2026-04-11 07:32:22

catting absolute paths

Time of First Successful Submission: 2026-04-11 07:33:12

more catting practice

Time of First Successful Submission: 2026-04-11 07:34:09

grepping for a needle in a haystack

Time of First Successful Submission: 2026-04-11 07:37:13

comparing files

Time of First Successful Submission: 2026-04-11 07:39:22

listing files

Time of First Successful Submission: 2026-04-11 07:42:16

touching files

Time of First Successful Submission: 2026-04-11 07:43:52

removing files

Time of First Successful Submission: 2026-04-11 07:46:01

moving files

Time of First Successful Submission: 2026-04-11 07:47:48

copying files

Time of First Successful Submission: 2026-04-11 07:49:48

hidden files

Time of First Successful Submission: 2026-04-11 07:50:45

An Epic Filesystem Quest

Time of First Successful Submission: 2026-04-11 07:55:54

making directories

Time of First Successful Submission: 2026-04-11 07:59:08

finding files

Time of First Successful Submission: 2026-04-11 08:02:24

linking files

Time of First Successful Submission: 2026-04-11 08:14:19

Learning From Documentation

Time of First Successful Submission: 2026-04-11 10:57:35

Learning Complex Usage

Time of First Successful Submission: 2026-04-11 10:59:04

Reading Manuals

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

Searching Manuals

Time of First Successful Submission: 2026-04-11 11:04:38

Searching For Manuals

Time of First Successful Submission: 2026-04-11 11:19:29

Helpful Programs

Time of First Successful Submission: 2026-04-11 11:23:43

Help for Builtins

Time of First Successful Submission: 2026-04-11 11:25:08

Matching with *

Time of First Successful Submission: 2026-04-11 11:49:31

Matching with ?

Time of First Successful Submission: 2026-04-11 11:50:57

Matching with []

Time of First Successful Submission: 2026-04-11 11:52:16

Matching paths with []

Time of First Successful Submission: 2026-04-11 11:53:51

Multiple globs

Time of First Successful Submission: 2026-04-11 12:06:17

Mixing globs

Time of First Successful Submission: 2026-04-11 12:21:40

Exclusionary globbing

Time of First Successful Submission: 2026-04-11 19:11:40

Tab completion

Time of First Successful Submission: 2026-04-11 19:14:25

Multiple options for tab completion

Time of First Successful Submission: 2026-04-11 19:16:44

Tab completion on commands

Time of First Successful Submission: 2026-04-11 19:17:25

Redirecting output

Time of First Successful Submission: 2026-04-12 07:54:47

Redirecting more output

Time of First Successful Submission: 2026-04-12 07:55:48

Appending output

Time of First Successful Submission: 2026-04-12 07:57:29

Redirecting errors

Time of First Successful Submission: 2026-04-12 07:59:33

Redirecting input

Time of First Successful Submission: 2026-04-12 08:01:32

Grepping stored results

Time of First Successful Submission: 2026-04-12 08:03:14

Grepping live output

Time of First Successful Submission: 2026-04-12 08:04:08

Grepping errors

Time of First Successful Submission: 2026-04-12 08:07:07

Filtering with grep -v

Time of First Successful Submission: 2026-04-12 08:07:59

Filtering with sed

Time of First Successful Submission: 2026-04-12 08:09:54

Duplicating piped data with tee

Time of First Successful Submission: 2026-04-12 08:15:25

Process substitution for input

Time of First Successful Submission: 2026-04-12 08:20:10

Writing to multiple programs

Time of First Successful Submission: 2026-04-12 08:35:27

Split-piping stderr and stdout

Time of First Successful Submission: 2026-04-12 08:45:20

Named pipes

Time of First Successful Submission: 2026-04-12 08:51:52

Printing Variables

Time of First Successful Submission: 2026-04-12 09:32:43

Setting Variables

Time of First Successful Submission: 2026-04-12 09:34:02

Multi-word Variables

Time of First Successful Submission: 2026-04-12 09:36:59

Exporting Variables

Time of First Successful Submission: 2026-04-12 09:38:57

Printing Exported Variables

Time of First Successful Submission: 2026-04-12 09:39:59

Storing Command Output

Time of First Successful Submission: 2026-04-12 09:41:55

Reading Input

Time of First Successful Submission: 2026-04-12 09:44:34

Reading Files

Time of First Successful Submission: 2026-04-12 09:47:23

Translating characters

Time of First Successful Submission: 2026-04-12 19:19:02

Deleting characters

Time of First Successful Submission: 2026-04-13 08:00:48

Deleting newlines

Time of First Successful Submission: 2026-04-13 08:02:37

Extracting the first lines with head

Time of First Successful Submission: 2026-04-13 08:03:30

Extracting specific sections of text

Time of First Successful Submission: 2026-04-13 08:07:37

Sorting data

Time of First Successful Submission: 2026-04-13 08:09:01

Listing Processes

Time of First Successful Submission: 2026-04-13 08:13:56

Killing Processes

Time of First Successful Submission: 2026-04-13 08:15:41

Interrupting Processes

Time of First Successful Submission: 2026-04-13 08:16:22

Killing Misbehaving Processes

Time of First Successful Submission: 2026-04-13 08:19:07

Suspending Processes

Time of First Successful Submission: 2026-04-13 08:19:53

Resuming Processes

Time of First Successful Submission: 2026-04-13 08:21:02

Backgrounding Processes

Time of First Successful Submission: 2026-04-13 08:22:36

Foregrounding Processes

Time of First Successful Submission: 2026-04-13 08:23:35

Starting Backgrounded Processes

Time of First Successful Submission: 2026-04-13 08:24:18

Process Exit Codes

Time of First Successful Submission: 2026-04-13 08:25:39

Becoming root with su

Time of First Successful Submission: 2026-04-13 12:04:58

Other users with su

Time of First Successful Submission: 2026-04-13 12:05:37

Cracking passwords

Time of First Successful Submission: 2026-04-13 12:11:01

Using sudo

Time of First Successful Submission: 2026-04-13 12:13:48

Changing File Ownership

Time of First Successful Submission: 2026-04-16 10:18:45

Groups and Files

Time of First Successful Submission: 2026-04-16 10:59:42

Fun With Groups Names

Time of First Successful Submission: 2026-04-16 11:01:05

Changing Permissions

Time of First Successful Submission: 2026-04-16 11:26:25

Executable Files

Time of First Successful Submission: 2026-04-16 11:28:37

Permission Tweaking Practice

Time of First Successful Submission: 2026-04-16 11:37:49

Permissions Setting Practice

Time of First Successful Submission: 2026-04-17 16:02:22

The SUID Bit

Time of First Successful Submission: 2026-04-19 10:21:59

Chaining with Semicolons

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

Building on Success

Time of First Successful Submission: 2026-04-21 21:31:06

Handling Failure

Time of First Successful Submission: 2026-04-21 21:32:03

Your First Shell Script

Time of First Successful Submission: 2026-04-21 21:34:53


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-03-31 20:22:41

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-31 20:24:24

Using the GUI Desktop

Time of First Successful Submission: 2026-03-31 20:27:52

Pasting into the Desktop

Time of First Successful Submission: 2026-03-31 20:30:20

Connecting over SSH

Time of First Successful Submission: 2026-03-31 20:34:24

Restarting Challenges

Time of First Successful Submission: 2026-03-31 20:39:28

Challenge Programs

Time of First Successful Submission: 2026-03-31 20:41:38

The Flag File

Time of First Successful Submission: 2026-03-31 20:43:55

Using Privileged Mode

Time of First Successful Submission: 2026-03-31 20:48:12

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-31 20:50:01

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-31 20:50:34