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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-06-04 10:09:36

Command Arguments

Time of First Successful Submission: 2026-06-04 10:12:04

Command History

Time of First Successful Submission: 2026-06-04 10:14:44

The Root Path

Time of First Successful Submission: 2026-06-25 09:40:25

Absolute Paths

Time of First Successful Submission: 2026-06-25 09:42:05

Changing position

Time of First Successful Submission: 2026-06-25 09:47:51

Changing to an Absolute Path

Time of First Successful Submission: 2026-06-25 09:51:18

Relative Paths

Time of First Successful Submission: 2026-06-25 09:59:12

Cat

Time of First Successful Submission: 2026-06-25 10:16:18

Ls

Time of First Successful Submission: 2026-06-25 15:51:56

Ls All

Time of First Successful Submission: 2026-06-25 15:59:26

Find

Time of First Successful Submission: 2026-06-25 16:26:41

Piping Echo

Time of First Successful Submission: 2026-06-26 17:01:21

Piping Stdout

Time of First Successful Submission: 2026-06-26 17:02:52

Piping Stdin

Time of First Successful Submission: 2026-06-26 17:18:08


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-06-04 10:09:36

Intro to Arguments

Time of First Successful Submission: 2026-06-04 10:12:04

Command History

Time of First Successful Submission: 2026-06-04 10:14:44

The Root

Time of First Successful Submission: 2026-06-25 09:40:25

Program and absolute paths

Time of First Successful Submission: 2026-06-25 09:42:05

Position thy self

Time of First Successful Submission: 2026-06-25 09:47:51

Position elsewhere

Time of First Successful Submission: 2026-06-25 09:51:18

implicit relative paths, from /

Time of First Successful Submission: 2026-06-25 09:59:12

explicit relative paths, from /

Time of First Successful Submission: 2026-06-25 10:02:10

implicit relative path

Time of First Successful Submission: 2026-06-25 10:04:09

home sweet home

Time of First Successful Submission: 2026-06-25 10:13:22

cat: not the pet, but the command!

Time of First Successful Submission: 2026-06-25 10:16:18

catting absolute paths

Time of First Successful Submission: 2026-06-25 15:28:48

more catting practice

Time of First Successful Submission: 2026-06-25 15:30:10

grepping for a needle in a haystack

Time of First Successful Submission: 2026-06-25 15:31:45

comparing files

Time of First Successful Submission: 2026-06-25 15:50:14

listing files

Time of First Successful Submission: 2026-06-25 15:51:56

touching files

Time of First Successful Submission: 2026-06-25 15:53:15

removing files

Time of First Successful Submission: 2026-06-25 15:54:38

moving files

Time of First Successful Submission: 2026-06-25 15:57:03

copying files

Time of First Successful Submission: 2026-06-25 15:58:12

hidden files

Time of First Successful Submission: 2026-06-25 15:59:26

An Epic Filesystem Quest

Time of First Successful Submission: 2026-06-25 16:12:27

making directories

Time of First Successful Submission: 2026-06-25 16:15:26

finding files

Time of First Successful Submission: 2026-06-25 16:26:41

linking files

Time of First Successful Submission: 2026-06-25 16:47:05

Learning From Documentation

Time of First Successful Submission: 2026-06-26 13:34:50

Learning Complex Usage

Time of First Successful Submission: 2026-06-26 13:43:27

Reading Manuals

Time of First Successful Submission: 2026-06-26 13:54:14

Searching Manuals

Time of First Successful Submission: 2026-06-26 13:57:01

Searching For Manuals

Time of First Successful Submission: 2026-06-26 14:04:15

Helpful Programs

Time of First Successful Submission: 2026-06-26 14:06:01

Help for Builtins

Time of First Successful Submission: 2026-06-26 14:08:29

Matching with *

Time of First Successful Submission: 2026-06-26 14:14:39

Matching with ?

Time of First Successful Submission: 2026-06-26 14:16:20

Matching with []

Time of First Successful Submission: 2026-06-26 14:18:55

Matching paths with []

Time of First Successful Submission: 2026-06-26 14:20:41

Multiple globs

Time of First Successful Submission: 2026-06-26 14:22:42

Mixing globs

Time of First Successful Submission: 2026-06-26 14:31:00

Exclusionary globbing

Time of First Successful Submission: 2026-06-26 14:32:40

Tab completion

Time of First Successful Submission: 2026-06-26 14:35:10

Multiple options for tab completion

Time of First Successful Submission: 2026-06-26 14:36:35

Tab completion on commands

Time of First Successful Submission: 2026-06-26 14:37:21

Redirecting output

Time of First Successful Submission: 2026-06-26 17:01:21

Redirecting more output

Time of First Successful Submission: 2026-06-26 17:02:52

Appending output

Time of First Successful Submission: 2026-06-26 17:05:20

Redirecting errors

Time of First Successful Submission: 2026-06-26 17:08:51

Redirecting input

Time of First Successful Submission: 2026-06-26 17:18:08

Grepping stored results

Time of First Successful Submission: 2026-06-26 17:20:40

Grepping live output

Time of First Successful Submission: 2026-06-26 17:22:12

Grepping errors

Time of First Successful Submission: 2026-06-26 17:24:07

Filtering with grep -v

Time of First Successful Submission: 2026-06-26 17:26:01

Filtering with sed

Time of First Successful Submission: 2026-06-26 17:28:08

Duplicating piped data with tee

Time of First Successful Submission: 2026-06-26 17:41:26

Process substitution for input

Time of First Successful Submission: 2026-06-28 11:40:01

Writing to multiple programs

Time of First Successful Submission: 2026-06-28 11:48:01

Split-piping stderr and stdout

Time of First Successful Submission: 2026-06-28 11:52:54

Named pipes

Time of First Successful Submission: 2026-06-28 12:46:32

Printing Variables

Time of First Successful Submission: 2026-06-30 10:37:47

Setting Variables

Time of First Successful Submission: 2026-06-30 10:39:28

Multi-word Variables

Time of First Successful Submission: 2026-06-30 10:40:46

Exporting Variables

Time of First Successful Submission: 2026-06-30 11:03:32

Printing Exported Variables

Time of First Successful Submission: 2026-06-30 11:04:48

Storing Command Output

Time of First Successful Submission: 2026-06-30 11:08:10

Reading Input

Time of First Successful Submission: 2026-06-30 11:10:22

Reading Files

Time of First Successful Submission: 2026-06-30 11:14:41

Translating characters

Time of First Successful Submission: 2026-06-30 11:37:35

Deleting characters

Time of First Successful Submission: 2026-06-30 11:38:55

Deleting newlines

Time of First Successful Submission: 2026-06-30 11:41:00

Extracting the first lines with head

Time of First Successful Submission: 2026-06-30 11:42:46

Extracting specific sections of text

Time of First Successful Submission: 2026-06-30 11:48:31

Sorting data

Time of First Successful Submission: 2026-06-30 11:49:53

Listing Processes

Time of First Successful Submission: 2026-06-30 15:11:45

Killing Processes

Time of First Successful Submission: 2026-06-30 15:19:01

Interrupting Processes

Time of First Successful Submission: 2026-06-30 18:03:48

Killing Misbehaving Processes

Time of First Successful Submission: 2026-06-30 18:19:42

Suspending Processes

Time of First Successful Submission: 2026-06-30 18:21:01

Resuming Processes

Time of First Successful Submission: 2026-06-30 18:22:01

Backgrounding Processes

Time of First Successful Submission: 2026-06-30 18:26:11

Foregrounding Processes

Time of First Successful Submission: 2026-06-30 18:27:35

Starting Backgrounded Processes

Time of First Successful Submission: 2026-06-30 18:28:34

Process Exit Codes

Time of First Successful Submission: 2026-06-30 18:31:43

Becoming root with su

Time of First Successful Submission: 2026-07-01 10:30:19

Other users with su

Time of First Successful Submission: 2026-07-01 10:31:37

Cracking passwords

Time of First Successful Submission: 2026-07-01 10:37:42

Using sudo

Time of First Successful Submission: 2026-07-01 10:52:12

Changing File Ownership

Time of First Successful Submission: 2026-07-02 17:46:39

Groups and Files

Time of First Successful Submission: 2026-07-03 11:04:17

Fun With Groups Names

Time of First Successful Submission: 2026-07-03 11:06:04

Changing Permissions

Time of First Successful Submission: 2026-07-03 11:11:20

Executable Files

Time of First Successful Submission: 2026-07-03 13:18:34

Permission Tweaking Practice

Time of First Successful Submission: 2026-07-03 13:26:16

Permissions Setting Practice

Time of First Successful Submission: 2026-07-03 13:40:32

The SUID Bit

Time of First Successful Submission: 2026-07-03 13:44:36

Chaining with Semicolons

Time of First Successful Submission: 2026-07-03 18:18:39

Building on Success

Time of First Successful Submission: 2026-07-03 18:21:29

Handling Failure

Time of First Successful Submission: 2026-07-03 18:22:47

Your First Shell Script

Time of First Successful Submission: 2026-07-03 18:46:27

Redirecting Script Output

Time of First Successful Submission: 2026-07-03 18:49:37

Executable Shell Scripts

Time of First Successful Submission: 2026-07-03 18:54:13

Understanding Shebangs

Time of First Successful Submission: 2026-07-03 19:04:02

Scripting with Arguments

Time of First Successful Submission: 2026-07-03 19:18:20

Scripting with Conditionals

Time of First Successful Submission: 2026-07-03 19:22:17

Scripting with Default Cases

Time of First Successful Submission: 2026-07-03 19:24:24

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-07-03 19:29:34

Reading Shell Scripts

Time of First Successful Submission: 2026-07-04 15:06:13

Launching Screen

Time of First Successful Submission: 2026-07-04 15:08:00

Detaching and Attaching

Time of First Successful Submission: 2026-07-04 15:11:23

Finding Sessions

Time of First Successful Submission: 2026-07-04 15:13:46

Switching Windows

Time of First Successful Submission: 2026-07-04 15:16:13

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-07-04 15:18:16

Switching Windows (tmux)

Time of First Successful Submission: 2026-07-04 15:19:41

The PATH Variable

Time of First Successful Submission: 2026-07-04 15:25:23

Setting PATH

Time of First Successful Submission: 2026-07-04 15:28:27

Finding Commands

Time of First Successful Submission: 2026-07-04 15:34:47

Adding Commands

Time of First Successful Submission: 2026-07-05 21:57:07

Hijacking Commands

Time of First Successful Submission: 2026-07-06 12:39:52

Bashrc Backdoor

Time of First Successful Submission: 2026-07-06 12:45:13

Sniffing Input

Time of First Successful Submission: 2026-07-06 13:12:46

Overshared Directories

Time of First Successful Submission: 2026-07-06 13:30:21

Tricky Linking

Time of First Successful Submission: 2026-07-06 13:43:03

Sniffing Process Arguments

Time of First Successful Submission: 2026-07-06 13:55:07

Snooping on Configurations

Time of First Successful Submission: 2026-07-06 14:00:40

The Fork Bomb

Time of First Successful Submission: 2026-07-06 16:51:08

Disk-Space Doomsday

Time of First Successful Submission: 2026-07-06 19:04:55

rm -rf /

Time of First Successful Submission: 2026-07-06 19:09:36

Life after rm -rf /

Time of First Successful Submission: 2026-07-06 19:17:15

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-07-06 19:47:09