ashkash04

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-05-19 05:28:25

Command Arguments

Time of First Successful Submission: 2026-05-19 05:28:42

Command History

Time of First Successful Submission: 2026-05-19 05:28:59

The Root Path

Time of First Successful Submission: 2026-05-19 05:29:25

Absolute Paths

Time of First Successful Submission: 2026-05-19 05:30:02

Changing position

Time of First Successful Submission: 2026-05-19 05:30:48

Changing to an Absolute Path

Time of First Successful Submission: 2026-05-19 05:31:30

Relative Paths

Time of First Successful Submission: 2026-05-19 05:33:16

Cat

Time of First Successful Submission: 2026-05-19 19:54:04

Ls

Time of First Successful Submission: 2026-05-19 20:00:06

Ls All

Time of First Successful Submission: 2026-05-19 19:58:30

Find

Time of First Successful Submission: 2026-05-19 21:08:58

Piping Echo

Time of First Successful Submission: 2026-05-21 05:08:15

Piping Stdout

Time of First Successful Submission: 2026-05-21 05:08:55

Piping Stdin

Time of First Successful Submission: 2026-05-21 05:13:43


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-04-29 19:45:15

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-29 19:46:05

Using the GUI Desktop

Time of First Successful Submission: 2026-04-29 19:47:21

Pasting into the Desktop

Time of First Successful Submission: 2026-04-29 19:48:56

Restarting Challenges

Time of First Successful Submission: 2026-04-29 20:49:42

Challenge Programs

Time of First Successful Submission: 2026-04-29 22:21:30

The Flag File

Time of First Successful Submission: 2026-04-29 22:23:38

Using Privileged Mode

Time of First Successful Submission: 2026-04-29 22:26:24

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-29 22:28:58

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-29 22:29:32


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-05-19 05:28:25

Intro to Arguments

Time of First Successful Submission: 2026-05-19 05:28:42

Command History

Time of First Successful Submission: 2026-05-19 05:28:59

The Root

Time of First Successful Submission: 2026-05-19 05:29:25

Program and absolute paths

Time of First Successful Submission: 2026-05-19 05:30:02

Position thy self

Time of First Successful Submission: 2026-05-19 05:30:48

Position elsewhere

Time of First Successful Submission: 2026-05-19 05:31:30

implicit relative paths, from /

Time of First Successful Submission: 2026-05-19 05:33:16

explicit relative paths, from /

Time of First Successful Submission: 2026-05-19 05:34:00

implicit relative path

Time of First Successful Submission: 2026-05-19 05:34:26

home sweet home

Time of First Successful Submission: 2026-05-19 19:53:33

cat: not the pet, but the command!

Time of First Successful Submission: 2026-05-19 19:54:04

catting absolute paths

Time of First Successful Submission: 2026-05-19 19:54:19

more catting practice

Time of First Successful Submission: 2026-05-19 19:54:45

grepping for a needle in a haystack

Time of First Successful Submission: 2026-05-19 19:55:25

comparing files

Time of First Successful Submission: 2026-05-19 20:01:24

listing files

Time of First Successful Submission: 2026-05-19 20:00:06

touching files

Time of First Successful Submission: 2026-05-19 19:59:41

removing files

Time of First Successful Submission: 2026-05-19 19:57:14

moving files

Time of First Successful Submission: 2026-05-19 19:57:35

copying files

Time of First Successful Submission: 2026-05-19 19:57:53

hidden files

Time of First Successful Submission: 2026-05-19 19:58:30

An Epic Filesystem Quest

Time of First Successful Submission: 2026-05-19 20:08:21

making directories

Time of First Successful Submission: 2026-05-19 20:08:50

finding files

Time of First Successful Submission: 2026-05-19 21:08:58

linking files

Time of First Successful Submission: 2026-05-19 21:14:02

Learning From Documentation

Time of First Successful Submission: 2026-05-19 21:16:06

Learning Complex Usage

Time of First Successful Submission: 2026-05-19 21:17:11

Reading Manuals

Time of First Successful Submission: 2026-05-19 21:19:41

Searching Manuals

Time of First Successful Submission: 2026-05-19 21:22:01

Searching For Manuals

Time of First Successful Submission: 2026-05-19 23:34:32

Helpful Programs

Time of First Successful Submission: 2026-05-19 23:37:16

Help for Builtins

Time of First Successful Submission: 2026-05-19 23:41:10

Matching with *

Time of First Successful Submission: 2026-05-20 01:00:35

Matching with ?

Time of First Successful Submission: 2026-05-20 01:01:11

Matching with []

Time of First Successful Submission: 2026-05-20 01:02:42

Matching paths with []

Time of First Successful Submission: 2026-05-20 01:03:35

Multiple globs

Time of First Successful Submission: 2026-05-20 01:04:54

Mixing globs

Time of First Successful Submission: 2026-05-20 01:09:51

Exclusionary globbing

Time of First Successful Submission: 2026-05-20 18:36:24

Tab completion

Time of First Successful Submission: 2026-05-20 18:38:48

Multiple options for tab completion

Time of First Successful Submission: 2026-05-20 18:40:51

Tab completion on commands

Time of First Successful Submission: 2026-05-20 18:41:14

Redirecting output

Time of First Successful Submission: 2026-05-21 05:08:15

Redirecting more output

Time of First Successful Submission: 2026-05-21 05:08:55

Appending output

Time of First Successful Submission: 2026-05-21 05:10:38

Redirecting errors

Time of First Successful Submission: 2026-05-21 05:12:25

Redirecting input

Time of First Successful Submission: 2026-05-21 05:13:43

Grepping stored results

Time of First Successful Submission: 2026-05-21 05:17:47

Grepping live output

Time of First Successful Submission: 2026-05-21 05:18:30

Grepping errors

Time of First Successful Submission: 2026-05-21 05:19:49

Filtering with grep -v

Time of First Successful Submission: 2026-05-21 05:21:52

Filtering with sed

Time of First Successful Submission: 2026-05-21 05:23:36

Duplicating piped data with tee

Time of First Successful Submission: 2026-05-21 05:28:38

Process substitution for input

Time of First Successful Submission: 2026-05-21 05:35:08

Writing to multiple programs

Time of First Successful Submission: 2026-05-21 05:46:09

Split-piping stderr and stdout

Time of First Successful Submission: 2026-05-21 05:52:36

Named pipes

Time of First Successful Submission: 2026-05-21 14:49:19

Printing Variables

Time of First Successful Submission: 2026-05-21 05:55:19

Setting Variables

Time of First Successful Submission: 2026-05-21 05:56:11

Multi-word Variables

Time of First Successful Submission: 2026-05-21 06:01:13

Exporting Variables

Time of First Successful Submission: 2026-05-21 06:02:37

Printing Exported Variables

Time of First Successful Submission: 2026-05-21 06:04:20

Storing Command Output

Time of First Successful Submission: 2026-05-21 06:05:38

Reading Input

Time of First Successful Submission: 2026-05-21 06:08:05

Reading Files

Time of First Successful Submission: 2026-05-21 06:10:39

Translating characters

Time of First Successful Submission: 2026-05-21 15:07:44

Deleting characters

Time of First Successful Submission: 2026-05-21 15:10:31

Deleting newlines

Time of First Successful Submission: 2026-05-21 15:12:03

Extracting the first lines with head

Time of First Successful Submission: 2026-05-21 15:16:46

Extracting specific sections of text

Time of First Successful Submission: 2026-05-21 15:19:07

Sorting data

Time of First Successful Submission: 2026-05-21 15:20:29

Listing Processes

Time of First Successful Submission: 2026-05-21 15:28:21

Killing Processes

Time of First Successful Submission: 2026-05-21 15:29:37

Interrupting Processes

Time of First Successful Submission: 2026-05-21 15:29:55

Killing Misbehaving Processes

Time of First Successful Submission: 2026-05-21 15:36:23

Suspending Processes

Time of First Successful Submission: 2026-05-21 15:37:08

Resuming Processes

Time of First Successful Submission: 2026-05-21 15:38:17

Backgrounding Processes

Time of First Successful Submission: 2026-05-21 15:47:06

Foregrounding Processes

Time of First Successful Submission: 2026-05-21 15:48:31

Starting Backgrounded Processes

Time of First Successful Submission: 2026-05-21 15:49:11

Process Exit Codes

Time of First Successful Submission: 2026-05-21 15:50:04

Becoming root with su

Time of First Successful Submission: 2026-05-21 16:14:01

Other users with su

Time of First Successful Submission: 2026-05-21 16:14:43

Cracking passwords

Time of First Successful Submission: 2026-05-24 06:12:41

Using sudo

Time of First Successful Submission: 2026-05-24 06:16:40

Changing File Ownership

Time of First Successful Submission: 2026-05-25 00:55:17

Groups and Files

Time of First Successful Submission: 2026-05-25 05:18:40

Fun With Groups Names

Time of First Successful Submission: 2026-05-25 05:21:14

Changing Permissions

Time of First Successful Submission: 2026-05-25 05:22:32

Executable Files

Time of First Successful Submission: 2026-05-25 05:25:05

Permission Tweaking Practice

Time of First Successful Submission: 2026-05-25 05:27:23

Permissions Setting Practice

Time of First Successful Submission: 2026-05-25 05:28:58

The SUID Bit

Time of First Successful Submission: 2026-05-25 05:50:08

Chaining with Semicolons

Time of First Successful Submission: 2026-05-25 05:54:24

Building on Success

Time of First Successful Submission: 2026-05-25 05:58:41

Handling Failure

Time of First Successful Submission: 2026-05-25 05:59:14

Your First Shell Script

Time of First Successful Submission: 2026-05-25 06:00:15

Redirecting Script Output

Time of First Successful Submission: 2026-05-25 06:23:47

Executable Shell Scripts

Time of First Successful Submission: 2026-05-25 14:55:09

Understanding Shebangs

Time of First Successful Submission: 2026-05-25 14:57:49

Scripting with Arguments

Time of First Successful Submission: 2026-05-25 14:59:38

Scripting with Conditionals

Time of First Successful Submission: 2026-05-25 15:11:56

Scripting with Default Cases

Time of First Successful Submission: 2026-05-25 15:24:45

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-05-25 15:26:46

Reading Shell Scripts

Time of First Successful Submission: 2026-05-25 15:28:59

Launching Screen

Time of First Successful Submission: 2026-05-25 15:30:14

Detaching and Attaching

Time of First Successful Submission: 2026-05-25 15:31:28

Finding Sessions

Time of First Successful Submission: 2026-05-25 15:34:10

Switching Windows

Time of First Successful Submission: 2026-05-25 15:35:13

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-05-25 15:54:22

Switching Windows (tmux)

Time of First Successful Submission: 2026-05-25 15:55:16

The PATH Variable

Time of First Successful Submission: 2026-05-25 15:57:50

Setting PATH

Time of First Successful Submission: 2026-05-25 16:02:49

Finding Commands

Time of First Successful Submission: 2026-05-25 16:08:25

Adding Commands

Time of First Successful Submission: 2026-05-25 16:19:00

Hijacking Commands

Time of First Successful Submission: 2026-05-25 16:35:11

Bashrc Backdoor

Time of First Successful Submission: 2026-05-25 16:40:54

Sniffing Input

Time of First Successful Submission: 2026-05-25 16:58:51

Overshared Directories

Time of First Successful Submission: 2026-05-26 02:49:25

Tricky Linking

Time of First Successful Submission: 2026-05-26 02:55:22

Sniffing Process Arguments

Time of First Successful Submission: 2026-05-26 02:57:50

Snooping on Configurations

Time of First Successful Submission: 2026-05-26 03:01:14

The Fork Bomb

Time of First Successful Submission: 2026-05-26 03:36:02

Disk-Space Doomsday

Time of First Successful Submission: 2026-05-26 04:04:37

rm -rf /

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

Life after rm -rf /

Time of First Successful Submission: 2026-05-26 04:09:48

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-05-26 04:11:23


Computing 101

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Your First Register

Time of First Successful Submission: 2026-05-21 06:16:38

Your First Syscall

Time of First Successful Submission: 2026-05-21 06:20:44

Exit Codes

Time of First Successful Submission: 2026-05-26 04:48:32

Building Executables

Time of First Successful Submission: 2026-05-27 05:15:26

Moving Between Registers

Time of First Successful Submission: 2026-05-27 05:18:57

Loading From Memory

Time of First Successful Submission: 2026-05-27 05:55:02

More Loading Practice

Time of First Successful Submission: 2026-05-31 01:09:12


Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-04-29 22:35:28

... and again!

Time of First Successful Submission: 2026-04-29 22:37:10

Newline Troubles

Time of First Successful Submission: 2026-04-29 22:40:09

Reasoning about files

Time of First Successful Submission: 2026-04-29 22:45:01

Specifying Filenames

Time of First Successful Submission: 2026-04-30 03:35:08

Binary and Hex Encoding

Time of First Successful Submission: 2026-04-30 03:45:34

More Hex

Time of First Successful Submission: 2026-04-30 03:48:47

Decoding Hex

Time of First Successful Submission: 2026-04-30 03:52:14

Decoding Practice

Time of First Successful Submission: 2026-05-01 00:15:57

Your First HTTP Request

Time of First Successful Submission: 2026-05-17 15:16:24

Reading Flask

Time of First Successful Submission: 2026-05-18 17:24:14

Commented Data

Time of First Successful Submission: 2026-05-18 17:26:27

HTTP Metadata

Time of First Successful Submission: 2026-05-18 17:29:46

HTTP (netcat)

Time of First Successful Submission: 2026-05-18 17:37:11

HTTP Paths (netcat)

Time of First Successful Submission: 2026-05-18 17:40:09

HTTP (curl)

Time of First Successful Submission: 2026-05-18 17:49:34

HTTP (python)

Time of First Successful Submission: 2026-05-18 17:56:30

HTTP Host Header (python)

Time of First Successful Submission: 2026-05-28 00:50:56

HTTP Host Header (curl)

Time of First Successful Submission: 2026-05-28 00:57:48

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-05-28 02:13:18

URL Encoding (netcat)

Time of First Successful Submission: 2026-05-28 02:19:53

cat

Time of First Successful Submission: 2026-05-27 05:57:26

more

Time of First Successful Submission: 2026-05-27 06:06:58

less

Time of First Successful Submission: 2026-05-27 06:07:52

tail

Time of First Successful Submission: 2026-05-27 06:08:07

head

Time of First Successful Submission: 2026-05-27 06:08:22

sort

Time of First Successful Submission: 2026-05-27 06:09:33

vim

Time of First Successful Submission: 2026-05-27 06:09:56

emacs

Time of First Successful Submission: 2026-05-27 06:12:39

nano

Time of First Successful Submission: 2026-05-27 06:17:35

rev

Time of First Successful Submission: 2026-05-27 06:20:38

od

Time of First Successful Submission: 2026-05-27 06:25:55

hd

Time of First Successful Submission: 2026-05-27 06:31:01

xxd

Time of First Successful Submission: 2026-05-27 06:36:44

base32

Time of First Successful Submission: 2026-05-28 00:19:55

base64

Time of First Successful Submission: 2026-05-28 00:20:49

split

Time of First Successful Submission: 2026-05-28 00:23:48

gzip

Time of First Successful Submission: 2026-05-28 00:30:25


DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-04-29 19:45:15

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-29 19:46:05

Using the GUI Desktop

Time of First Successful Submission: 2026-04-29 19:47:21

Pasting into the Desktop

Time of First Successful Submission: 2026-04-29 19:48:56

Restarting Challenges

Time of First Successful Submission: 2026-04-29 20:49:42

Challenge Programs

Time of First Successful Submission: 2026-04-29 22:21:30

The Flag File

Time of First Successful Submission: 2026-04-29 22:23:38

Using Privileged Mode

Time of First Successful Submission: 2026-04-29 22:26:24

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-29 22:28:58

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-29 22:29:32


GCA CTF

10 / 104 21373 / 47016


Using the Terminal

Time of First Successful Submission: 2026-04-29 19:45:15

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-29 19:46:05

Using the GUI Desktop

Time of First Successful Submission: 2026-04-29 19:47:21

Pasting into the Desktop

Time of First Successful Submission: 2026-04-29 19:48:56

Restarting Challenges

Time of First Successful Submission: 2026-04-29 20:49:42

Challenge Programs

Time of First Successful Submission: 2026-04-29 22:21:30

The Flag File

Time of First Successful Submission: 2026-04-29 22:23:38

Using Privileged Mode

Time of First Successful Submission: 2026-04-29 22:26:24

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-29 22:28:58

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-29 22:29:32