FanFicFun

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-04-17 12:40:38

Command Arguments

Time of First Successful Submission: 2026-04-17 12:41:09

Command History

Time of First Successful Submission: 2026-04-17 12:41:41

The Root Path

Time of First Successful Submission: 2026-04-17 12:51:54

Absolute Paths

Time of First Successful Submission: 2026-04-17 12:52:24

Changing position

Time of First Successful Submission: 2026-04-17 12:53:13

Changing to an Absolute Path

Time of First Successful Submission: 2026-04-17 12:54:12

Relative Paths

Time of First Successful Submission: 2026-04-17 12:54:57

Cat

Time of First Successful Submission: 2026-04-17 13:06:59

Ls

Time of First Successful Submission: 2026-04-17 13:11:23

Ls All

Time of First Successful Submission: 2026-04-17 13:13:51

Find

Time of First Successful Submission: 2026-04-17 13:26:26

Piping Echo

Time of First Successful Submission: 2026-04-18 06:33:28

Piping Stdout

Time of First Successful Submission: 2026-04-18 06:34:18

Piping Stdin

Time of First Successful Submission: 2026-04-18 06:40:23


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-04-17 05:42:51

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-17 09:19:50

Using the GUI Desktop

Time of First Successful Submission: 2026-04-17 09:21:04

Pasting into the Desktop

Time of First Successful Submission: 2026-04-17 09:22:32

Restarting Challenges

Time of First Successful Submission: 2026-04-17 09:25:12

Challenge Programs

Time of First Successful Submission: 2026-04-17 09:29:27

The Flag File

Time of First Successful Submission: 2026-04-17 09:31:18

Using Privileged Mode

Time of First Successful Submission: 2026-04-17 09:45:53

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-17 09:50:55

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-17 09:52:03


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-04-17 12:40:38

Intro to Arguments

Time of First Successful Submission: 2026-04-17 12:41:09

Command History

Time of First Successful Submission: 2026-04-17 12:41:41

The Root

Time of First Successful Submission: 2026-04-17 12:51:54

Program and absolute paths

Time of First Successful Submission: 2026-04-17 12:52:24

Position thy self

Time of First Successful Submission: 2026-04-17 12:53:13

Position elsewhere

Time of First Successful Submission: 2026-04-17 12:54:12

implicit relative paths, from /

Time of First Successful Submission: 2026-04-17 12:54:57

explicit relative paths, from /

Time of First Successful Submission: 2026-04-17 12:55:41

implicit relative path

Time of First Successful Submission: 2026-04-17 12:57:02

home sweet home

Time of First Successful Submission: 2026-04-17 12:58:48

cat: not the pet, but the command!

Time of First Successful Submission: 2026-04-17 13:06:59

catting absolute paths

Time of First Successful Submission: 2026-04-17 13:07:24

more catting practice

Time of First Successful Submission: 2026-04-17 13:08:22

grepping for a needle in a haystack

Time of First Successful Submission: 2026-04-17 13:09:10

comparing files

Time of First Successful Submission: 2026-04-17 13:10:44

listing files

Time of First Successful Submission: 2026-04-17 13:11:23

touching files

Time of First Successful Submission: 2026-04-17 13:11:53

removing files

Time of First Successful Submission: 2026-04-17 13:12:18

moving files

Time of First Successful Submission: 2026-04-17 13:12:55

copying files

Time of First Successful Submission: 2026-04-17 13:13:24

hidden files

Time of First Successful Submission: 2026-04-17 13:13:51

An Epic Filesystem Quest

Time of First Successful Submission: 2026-04-17 13:18:34

making directories

Time of First Successful Submission: 2026-04-17 13:19:23

finding files

Time of First Successful Submission: 2026-04-17 13:26:26

linking files

Time of First Successful Submission: 2026-04-17 14:43:57

Matching with *

Time of First Successful Submission: 2026-04-17 15:29:29

Matching with ?

Time of First Successful Submission: 2026-04-17 15:29:57

Matching with []

Time of First Successful Submission: 2026-04-17 15:30:53

Matching paths with []

Time of First Successful Submission: 2026-04-17 15:31:41

Multiple globs

Time of First Successful Submission: 2026-04-17 15:32:30

Mixing globs

Time of First Successful Submission: 2026-04-17 15:39:10

Exclusionary globbing

Time of First Successful Submission: 2026-04-17 15:41:21

Tab completion

Time of First Successful Submission: 2026-04-17 15:42:43

Multiple options for tab completion

Time of First Successful Submission: 2026-04-17 15:45:12

Tab completion on commands

Time of First Successful Submission: 2026-04-17 15:45:41

Redirecting output

Time of First Successful Submission: 2026-04-18 06:33:28

Redirecting more output

Time of First Successful Submission: 2026-04-18 06:34:18

Appending output

Time of First Successful Submission: 2026-04-18 06:35:14

Redirecting errors

Time of First Successful Submission: 2026-04-18 06:37:58

Redirecting input

Time of First Successful Submission: 2026-04-18 06:40:23

Grepping stored results

Time of First Successful Submission: 2026-04-18 06:42:34

Grepping live output

Time of First Successful Submission: 2026-04-18 06:44:38

Grepping errors

Time of First Successful Submission: 2026-04-18 06:46:09

Filtering with grep -v

Time of First Successful Submission: 2026-04-18 06:46:56

Filtering with sed

Time of First Successful Submission: 2026-04-18 06:48:07

Process substitution for input

Time of First Successful Submission: 2026-04-20 18:11:21

Writing to multiple programs

Time of First Successful Submission: 2026-04-21 16:47:09

Split-piping stderr and stdout

Time of First Successful Submission: 2026-04-21 16:49:21

Named pipes

Time of First Successful Submission: 2026-04-21 16:55:22

Printing Variables

Time of First Successful Submission: 2026-04-22 05:21:46

Setting Variables

Time of First Successful Submission: 2026-04-22 05:22:54

Multi-word Variables

Time of First Successful Submission: 2026-04-22 05:23:34

Exporting Variables

Time of First Successful Submission: 2026-04-22 05:25:29

Printing Exported Variables

Time of First Successful Submission: 2026-04-22 05:26:04

Storing Command Output

Time of First Successful Submission: 2026-04-22 05:27:42

Reading Input

Time of First Successful Submission: 2026-04-22 05:29:46

Reading Files

Time of First Successful Submission: 2026-04-22 05:31:32

Translating characters

Time of First Successful Submission: 2026-04-22 05:34:53

Deleting characters

Time of First Successful Submission: 2026-04-22 05:35:36

Deleting newlines

Time of First Successful Submission: 2026-04-22 05:37:11

Extracting the first lines with head

Time of First Successful Submission: 2026-04-22 05:37:52

Extracting specific sections of text

Time of First Successful Submission: 2026-04-22 05:40:28

Sorting data

Time of First Successful Submission: 2026-04-22 05:41:28

Listing Processes

Time of First Successful Submission: 2026-04-22 08:56:58

Killing Processes

Time of First Successful Submission: 2026-04-22 09:12:54

Interrupting Processes

Time of First Successful Submission: 2026-04-22 09:13:17

Killing Misbehaving Processes

Time of First Successful Submission: 2026-04-22 09:15:58

Suspending Processes

Time of First Successful Submission: 2026-04-22 09:16:48

Resuming Processes

Time of First Successful Submission: 2026-04-22 09:17:17

Backgrounding Processes

Time of First Successful Submission: 2026-04-22 09:33:38

Foregrounding Processes

Time of First Successful Submission: 2026-04-22 09:34:58

Starting Backgrounded Processes

Time of First Successful Submission: 2026-04-22 09:35:28

Process Exit Codes

Time of First Successful Submission: 2026-04-22 09:36:48

Becoming root with su

Time of First Successful Submission: 2026-04-22 09:52:10

Other users with su

Time of First Successful Submission: 2026-04-22 09:52:43

Cracking passwords

Time of First Successful Submission: 2026-04-22 10:43:09

Using sudo

Time of First Successful Submission: 2026-04-22 10:45:27

Changing File Ownership

Time of First Successful Submission: 2026-04-22 15:17:54

Groups and Files

Time of First Successful Submission: 2026-04-22 16:14:58

Fun With Groups Names

Time of First Successful Submission: 2026-04-22 16:15:49

Changing Permissions

Time of First Successful Submission: 2026-04-22 16:22:33

Executable Files

Time of First Successful Submission: 2026-04-22 16:27:42

Permission Tweaking Practice

Time of First Successful Submission: 2026-04-22 16:31:45

Permissions Setting Practice

Time of First Successful Submission: 2026-04-22 16:39:16

The SUID Bit

Time of First Successful Submission: 2026-04-22 17:20:10

Chaining with Semicolons

Time of First Successful Submission: 2026-04-22 17:30:04

Building on Success

Time of First Successful Submission: 2026-04-24 07:01:10

Handling Failure

Time of First Successful Submission: 2026-04-24 07:01:40

Your First Shell Script

Time of First Successful Submission: 2026-04-24 07:36:26

Executable Shell Scripts

Time of First Successful Submission: 2026-04-24 07:24:19

Understanding Shebangs

Time of First Successful Submission: 2026-04-24 07:45:26

Scripting with Arguments

Time of First Successful Submission: 2026-04-24 07:48:45

Scripting with Conditionals

Time of First Successful Submission: 2026-04-24 07:51:45

Scripting with Default Cases

Time of First Successful Submission: 2026-04-24 08:19:49

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-04-24 08:22:33

Reading Shell Scripts

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

Launching Screen

Time of First Successful Submission: 2026-04-24 08:53:42

Detaching and Attaching

Time of First Successful Submission: 2026-04-24 08:57:09

Finding Sessions

Time of First Successful Submission: 2026-04-24 09:50:34

Switching Windows

Time of First Successful Submission: 2026-04-24 12:50:40

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-04-24 13:10:26

Switching Windows (tmux)

Time of First Successful Submission: 2026-04-24 13:11:46

The PATH Variable

Time of First Successful Submission: 2026-04-24 13:17:59

Setting PATH

Time of First Successful Submission: 2026-04-24 13:19:20

Finding Commands

Time of First Successful Submission: 2026-04-24 13:28:24

Adding Commands

Time of First Successful Submission: 2026-04-24 13:51:37

Hijacking Commands

Time of First Successful Submission: 2026-04-24 13:59:39

Bashrc Backdoor

Time of First Successful Submission: 2026-04-24 17:12:03

Sniffing Input

Time of First Successful Submission: 2026-04-24 17:39:39

Overshared Directories

Time of First Successful Submission: 2026-04-25 13:11:23

Tricky Linking

Time of First Successful Submission: 2026-04-25 13:36:52

Sniffing Process Arguments

Time of First Successful Submission: 2026-04-25 13:42:40

Snooping on Configurations

Time of First Successful Submission: 2026-04-25 13:47:53

The Fork Bomb

Time of First Successful Submission: 2026-04-25 14:03:12

Disk-Space Doomsday

Time of First Successful Submission: 2026-04-25 14:24:23

rm -rf /

Time of First Successful Submission: 2026-04-25 16:05:57

Life after rm -rf /

Time of First Successful Submission: 2026-04-25 16:08:29

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-04-25 16:10:42


Computing 101

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Your First Register

Time of First Successful Submission: 2026-04-25 18:08:45

Your First Syscall

Time of First Successful Submission: 2026-04-25 18:11:53

Exit Codes

Time of First Successful Submission: 2026-04-25 18:13:11

Building Executables

Time of First Successful Submission: 2026-04-25 18:27:30

Moving Between Registers

Time of First Successful Submission: 2026-04-25 18:32:03

Loading From Memory

Time of First Successful Submission: 2026-04-26 05:25:23

More Loading Practice

Time of First Successful Submission: 2026-04-26 05:26:03

Dereferencing Pointers

Time of First Successful Submission: 2026-04-26 07:11:28

Dereferencing Yourself

Time of First Successful Submission: 2026-04-29 17:27:15

Dereferencing with Offsets

Time of First Successful Submission: 2026-04-29 17:58:06

The Stack

Time of First Successful Submission: 2026-05-09 04:33:04

Stack Offsets

Time of First Successful Submission: 2026-05-09 04:33:53

Program Arguments on the Stack

Time of First Successful Submission: 2026-05-09 04:34:55

Popping From the Stack

Time of First Successful Submission: 2026-05-09 04:36:03

Disassembling Programs

Time of First Successful Submission: 2026-05-09 04:38:56

Tracing Syscalls

Time of First Successful Submission: 2026-05-09 04:50:26

Starting GDB

Time of First Successful Submission: 2026-05-09 04:52:00

Quitting GDB

Time of First Successful Submission: 2026-05-09 04:52:24

Starting Programs in GDB

Time of First Successful Submission: 2026-05-09 04:53:45

Disassembling in GDB

Time of First Successful Submission: 2026-05-09 04:54:22

Stepping Through Instructions

Time of First Successful Submission: 2026-05-09 04:55:26

Reading Register Values

Time of First Successful Submission: 2026-05-09 04:56:15

Popping Stack Values

Time of First Successful Submission: 2026-05-09 05:02:45

Examining Memory

Time of First Successful Submission: 2026-05-09 05:04:02

Examining Stack Pointers

Time of First Successful Submission: 2026-05-09 05:06:30

Cooperative Debugging

Time of First Successful Submission: 2026-05-09 05:10:02


Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-05-01 08:41:27

... and again!

Time of First Successful Submission: 2026-05-01 08:42:08

Newline Troubles

Time of First Successful Submission: 2026-05-01 08:43:25

Reasoning about files

Time of First Successful Submission: 2026-05-01 08:44:56

Specifying Filenames

Time of First Successful Submission: 2026-05-01 08:46:12

Binary and Hex Encoding

Time of First Successful Submission: 2026-05-01 08:52:13

More Hex

Time of First Successful Submission: 2026-05-01 08:53:40

Decoding Hex

Time of First Successful Submission: 2026-05-01 09:34:49


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-04-17 05:42:51

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-17 09:19:50

Using the GUI Desktop

Time of First Successful Submission: 2026-04-17 09:21:04

Pasting into the Desktop

Time of First Successful Submission: 2026-04-17 09:22:32

Restarting Challenges

Time of First Successful Submission: 2026-04-17 09:25:12

Challenge Programs

Time of First Successful Submission: 2026-04-17 09:29:27

The Flag File

Time of First Successful Submission: 2026-04-17 09:31:18

Using Privileged Mode

Time of First Successful Submission: 2026-04-17 09:45:53

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-17 09:50:55

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-17 09:52:03