jhojung0311

Intro to Programming Languages

15 / 234 9699 / 33222


Commands

Time of First Successful Submission: 2026-04-05 16:18:42

Command Arguments

Time of First Successful Submission: 2026-04-05 16:19:36

Command History

Time of First Successful Submission: 2026-04-05 16:19:55

The Root Path

Time of First Successful Submission: 2026-04-06 01:26:13

Absolute Paths

Time of First Successful Submission: 2026-04-06 01:26:50

Changing position

Time of First Successful Submission: 2026-04-06 01:28:49

Changing to an Absolute Path

Time of First Successful Submission: 2026-04-06 01:30:12

Relative Paths

Time of First Successful Submission: 2026-04-06 01:32:25

Cat

Time of First Successful Submission: 2026-04-06 01:40:37

Ls

Time of First Successful Submission: 2026-04-06 01:50:15

Ls All

Time of First Successful Submission: 2026-04-06 07:41:27

Find

Time of First Successful Submission: 2026-04-06 07:54:21

Piping Echo

Time of First Successful Submission: 2026-04-08 06:30:33

Piping Stdout

Time of First Successful Submission: 2026-04-08 06:31:11

Piping Stdin

Time of First Successful Submission: 2026-04-08 06:37:05


Start Here

11 / 12 9170 / 44986


Using the Terminal

Time of First Successful Submission: 2026-04-05 15:44:41

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-05 15:46:23

Using the GUI Desktop

Time of First Successful Submission: 2026-04-05 15:48:37

Pasting into the Desktop

Time of First Successful Submission: 2026-04-05 15:49:45

Restarting Challenges

Time of First Successful Submission: 2026-04-05 16:02:22

Challenge Programs

Time of First Successful Submission: 2026-04-05 16:08:04

The Flag File

Time of First Successful Submission: 2026-04-05 16:09:26

Using Privileged Mode

Time of First Successful Submission: 2026-04-05 16:12:04

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-05 16:16:37

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-05 16:17:17


Linux Luminarium

58 / 128 13867 / 33655


Intro to Commands

Time of First Successful Submission: 2026-04-05 16:18:42

Intro to Arguments

Time of First Successful Submission: 2026-04-05 16:19:36

Command History

Time of First Successful Submission: 2026-04-05 16:19:55

The Root

Time of First Successful Submission: 2026-04-06 01:26:13

Program and absolute paths

Time of First Successful Submission: 2026-04-06 01:26:50

Position thy self

Time of First Successful Submission: 2026-04-06 01:28:49

Position elsewhere

Time of First Successful Submission: 2026-04-06 01:30:12

implicit relative paths, from /

Time of First Successful Submission: 2026-04-06 01:32:25

explicit relative paths, from /

Time of First Successful Submission: 2026-04-06 01:33:52

implicit relative path

Time of First Successful Submission: 2026-04-06 01:35:44

home sweet home

Time of First Successful Submission: 2026-04-06 01:38:22

cat: not the pet, but the command!

Time of First Successful Submission: 2026-04-06 01:40:37

catting absolute paths

Time of First Successful Submission: 2026-04-06 01:41:25

more catting practice

Time of First Successful Submission: 2026-04-06 01:44:18

grepping for a needle in a haystack

Time of First Successful Submission: 2026-04-06 01:46:22

comparing files

Time of First Successful Submission: 2026-04-06 01:48:04

listing files

Time of First Successful Submission: 2026-04-06 01:50:15

touching files

Time of First Successful Submission: 2026-04-06 01:51:12

removing files

Time of First Successful Submission: 2026-04-06 01:51:53

moving files

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

copying files

Time of First Successful Submission: 2026-04-06 02:38:02

hidden files

Time of First Successful Submission: 2026-04-06 07:41:27

An Epic Filesystem Quest

Time of First Successful Submission: 2026-04-06 07:50:03

making directories

Time of First Successful Submission: 2026-04-06 07:50:54

finding files

Time of First Successful Submission: 2026-04-06 07:54:21

linking files

Time of First Successful Submission: 2026-04-06 08:00:45

Learning From Documentation

Time of First Successful Submission: 2026-04-07 00:57:15

Learning Complex Usage

Time of First Successful Submission: 2026-04-07 01:41:38

Reading Manuals

Time of First Successful Submission: 2026-04-07 01:43:21

Searching Manuals

Time of First Successful Submission: 2026-04-07 01:45:39

Searching For Manuals

Time of First Successful Submission: 2026-04-07 01:50:34

Helpful Programs

Time of First Successful Submission: 2026-04-07 01:52:10

Help for Builtins

Time of First Successful Submission: 2026-04-07 01:53:33

Matching with *

Time of First Successful Submission: 2026-04-07 01:55:17

Matching with ?

Time of First Successful Submission: 2026-04-07 01:56:07

Matching with []

Time of First Successful Submission: 2026-04-07 01:59:07

Matching paths with []

Time of First Successful Submission: 2026-04-07 01:59:53

Multiple globs

Time of First Successful Submission: 2026-04-07 02:01:08

Mixing globs

Time of First Successful Submission: 2026-04-07 02:08:14

Exclusionary globbing

Time of First Successful Submission: 2026-04-08 06:26:29

Tab completion

Time of First Successful Submission: 2026-04-08 06:27:47

Multiple options for tab completion

Time of First Successful Submission: 2026-04-08 06:28:49

Tab completion on commands

Time of First Successful Submission: 2026-04-08 06:29:24

Redirecting output

Time of First Successful Submission: 2026-04-08 06:30:33

Redirecting more output

Time of First Successful Submission: 2026-04-08 06:31:11

Appending output

Time of First Successful Submission: 2026-04-08 06:32:24

Redirecting errors

Time of First Successful Submission: 2026-04-08 06:35:22

Redirecting input

Time of First Successful Submission: 2026-04-08 06:37:05

Grepping stored results

Time of First Successful Submission: 2026-04-08 06:41:17

Grepping live output

Time of First Successful Submission: 2026-04-08 06:43:49

Grepping errors

Time of First Successful Submission: 2026-04-08 06:45:13

Filtering with grep -v

Time of First Successful Submission: 2026-04-08 06:45:47

Filtering with sed

Time of First Successful Submission: 2026-04-08 06:48:02

Duplicating piped data with tee

Time of First Successful Submission: 2026-04-08 06:54:20

Process substitution for input

Time of First Successful Submission: 2026-04-08 06:56:56

Writing to multiple programs

Time of First Successful Submission: 2026-04-08 07:07:47

Split-piping stderr and stdout

Time of First Successful Submission: 2026-04-08 07:11:58

Named pipes

Time of First Successful Submission: 2026-04-08 07:16:42


Computing 101

38 / 94 10055 / 22210


Your First Register

Time of First Successful Submission: 2026-04-08 07:23:25

Your First Syscall

Time of First Successful Submission: 2026-04-08 07:25:41

Exit Codes

Time of First Successful Submission: 2026-04-08 07:27:23

Building Executables

Time of First Successful Submission: 2026-04-08 07:33:02

Moving Between Registers

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

Loading From Memory

Time of First Successful Submission: 2026-04-08 07:44:15

More Loading Practice

Time of First Successful Submission: 2026-04-08 07:45:10

Dereferencing Pointers

Time of First Successful Submission: 2026-04-08 07:48:35

Dereferencing Yourself

Time of First Successful Submission: 2026-04-08 07:49:25

Dereferencing with Offsets

Time of First Successful Submission: 2026-04-08 07:50:44

Stored Addresses

Time of First Successful Submission: 2026-04-08 07:54:31

Double Dereference

Time of First Successful Submission: 2026-04-08 07:58:26

The Stack

Time of First Successful Submission: 2026-04-09 22:37:19

Stack Offsets

Time of First Successful Submission: 2026-04-09 22:40:39

Program Arguments on the Stack

Time of First Successful Submission: 2026-04-09 22:45:02

Popping From the Stack

Time of First Successful Submission: 2026-04-09 22:46:55

Disassembling Programs

Time of First Successful Submission: 2026-04-09 22:51:55

Tracing Syscalls

Time of First Successful Submission: 2026-04-09 22:55:10

Starting GDB

Time of First Successful Submission: 2026-04-09 22:55:48

Quitting GDB

Time of First Successful Submission: 2026-04-09 22:56:11

Starting Programs in GDB

Time of First Successful Submission: 2026-04-09 22:57:30

Disassembling in GDB

Time of First Successful Submission: 2026-04-09 22:58:28

Stepping Through Instructions

Time of First Successful Submission: 2026-04-09 22:59:58

Reading Register Values

Time of First Successful Submission: 2026-04-09 23:01:03

Popping Stack Values

Time of First Successful Submission: 2026-04-09 23:02:55

Examining Memory

Time of First Successful Submission: 2026-04-09 23:03:36

Examining Stack Pointers

Time of First Successful Submission: 2026-04-09 23:06:31

Cooperative Debugging

Time of First Successful Submission: 2026-04-09 23:09:25

Writing Output

Time of First Successful Submission: 2026-04-09 23:19:56

Chaining Syscalls

Time of First Successful Submission: 2026-04-09 23:20:53

Writing Strings

Time of First Successful Submission: 2026-04-09 23:21:52

Reading Data

Time of First Successful Submission: 2026-04-09 23:29:14

Opening Files

Time of First Successful Submission: 2026-04-09 23:37:24

Hardcoding the Filename

Time of First Successful Submission: 2026-04-09 23:51:05

Comparing Values

Time of First Successful Submission: 2026-04-10 04:30:57

Comparing Characters

Time of First Successful Submission: 2026-04-10 04:36:51

Conditional Control Flow

Time of First Successful Submission: 2026-04-10 04:38:31

Comparing Strings

Time of First Successful Submission: 2026-04-10 04:46:01


Playing With Programs

4 / 116 20655 / 23706


What's the password?

Time of First Successful Submission: 2026-04-06 08:06:16

... and again!

Time of First Successful Submission: 2026-04-06 08:07:01

Newline Troubles

Time of First Successful Submission: 2026-04-06 08:09:10

Reasoning about files

Time of First Successful Submission: 2026-04-06 08:14:47


GCA CTF

11 / 104 9315 / 45269


Using the Terminal

Time of First Successful Submission: 2026-04-05 15:44:41

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-05 15:46:23

Using the GUI Desktop

Time of First Successful Submission: 2026-04-05 15:48:37

Pasting into the Desktop

Time of First Successful Submission: 2026-04-05 15:49:45

Connecting over SSH

Time of First Successful Submission: 2026-04-05 15:58:57

Restarting Challenges

Time of First Successful Submission: 2026-04-05 16:02:22

Challenge Programs

Time of First Successful Submission: 2026-04-05 16:08:04

The Flag File

Time of First Successful Submission: 2026-04-05 16:09:26

Using Privileged Mode

Time of First Successful Submission: 2026-04-05 16:12:04

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-05 16:16:37

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-05 16:17:17