tamer-ahmet

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-05-14 18:49:06

Command Arguments

Time of First Successful Submission: 2026-05-14 18:49:46

Command History

Time of First Successful Submission: 2026-05-14 18:50:16

The Root Path

Time of First Successful Submission: 2026-05-14 18:55:41

Absolute Paths

Time of First Successful Submission: 2026-05-14 18:56:32

Changing position

Time of First Successful Submission: 2026-05-14 19:09:21

Changing to an Absolute Path

Time of First Successful Submission: 2026-05-14 19:10:35

Relative Paths

Time of First Successful Submission: 2026-05-14 19:15:40

Cat

Time of First Successful Submission: 2026-05-14 19:22:30

Ls

Time of First Successful Submission: 2026-05-14 19:28:40

Ls All

Time of First Successful Submission: 2026-05-14 19:36:20

Find

Time of First Successful Submission: 2026-05-14 19:59:48

Piping Echo

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

Piping Stdout

Time of First Successful Submission: 2026-05-15 17:19:25

Piping Stdin

Time of First Successful Submission: 2026-05-15 17:29:18


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-05-13 13:24:51

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-13 13:27:20

Using the GUI Desktop

Time of First Successful Submission: 2026-05-13 13:29:05

Pasting into the Desktop

Time of First Successful Submission: 2026-05-13 13:31:43

Restarting Challenges

Time of First Successful Submission: 2026-05-13 13:43:10

Challenge Programs

Time of First Successful Submission: 2026-05-13 19:29:37

The Flag File

Time of First Successful Submission: 2026-05-13 19:35:17

Using Privileged Mode

Time of First Successful Submission: 2026-05-13 19:41:42

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-13 19:46:42

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-13 19:47:57


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-05-14 18:49:06

Intro to Arguments

Time of First Successful Submission: 2026-05-14 18:49:46

Command History

Time of First Successful Submission: 2026-05-14 18:50:16

The Root

Time of First Successful Submission: 2026-05-14 18:55:41

Program and absolute paths

Time of First Successful Submission: 2026-05-14 18:56:32

Position thy self

Time of First Successful Submission: 2026-05-14 19:09:21

Position elsewhere

Time of First Successful Submission: 2026-05-14 19:10:35

implicit relative paths, from /

Time of First Successful Submission: 2026-05-14 19:15:40

explicit relative paths, from /

Time of First Successful Submission: 2026-05-14 19:16:30

implicit relative path

Time of First Successful Submission: 2026-05-14 19:17:55

home sweet home

Time of First Successful Submission: 2026-05-14 19:21:29

cat: not the pet, but the command!

Time of First Successful Submission: 2026-05-14 19:22:30

catting absolute paths

Time of First Successful Submission: 2026-05-14 19:23:18

more catting practice

Time of First Successful Submission: 2026-05-14 19:24:09

grepping for a needle in a haystack

Time of First Successful Submission: 2026-05-14 19:26:49

comparing files

Time of First Successful Submission: 2026-05-14 19:27:53

listing files

Time of First Successful Submission: 2026-05-14 19:28:40

touching files

Time of First Successful Submission: 2026-05-14 19:30:07

removing files

Time of First Successful Submission: 2026-05-14 19:31:23

moving files

Time of First Successful Submission: 2026-05-14 19:35:18

copying files

Time of First Successful Submission: 2026-05-14 19:35:47

hidden files

Time of First Successful Submission: 2026-05-14 19:36:20

An Epic Filesystem Quest

Time of First Successful Submission: 2026-05-14 19:44:19

making directories

Time of First Successful Submission: 2026-05-14 19:45:31

finding files

Time of First Successful Submission: 2026-05-14 19:59:48

linking files

Time of First Successful Submission: 2026-05-14 20:48:56

Learning From Documentation

Time of First Successful Submission: 2026-05-14 21:09:15

Learning Complex Usage

Time of First Successful Submission: 2026-05-14 21:12:41

Reading Manuals

Time of First Successful Submission: 2026-05-15 10:24:11

Searching Manuals

Time of First Successful Submission: 2026-05-15 10:29:50

Searching For Manuals

Time of First Successful Submission: 2026-05-15 10:49:35

Helpful Programs

Time of First Successful Submission: 2026-05-15 10:51:54

Help for Builtins

Time of First Successful Submission: 2026-05-15 10:54:59

Matching with *

Time of First Successful Submission: 2026-05-15 15:00:37

Matching with ?

Time of First Successful Submission: 2026-05-15 15:02:00

Matching with []

Time of First Successful Submission: 2026-05-15 15:37:44

Matching paths with []

Time of First Successful Submission: 2026-05-15 15:40:34

Multiple globs

Time of First Successful Submission: 2026-05-15 16:18:54

Mixing globs

Time of First Successful Submission: 2026-05-15 16:24:04

Exclusionary globbing

Time of First Successful Submission: 2026-05-15 16:29:05

Tab completion

Time of First Successful Submission: 2026-05-15 16:33:35

Multiple options for tab completion

Time of First Successful Submission: 2026-05-15 17:05:14

Tab completion on commands

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

Redirecting output

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

Redirecting more output

Time of First Successful Submission: 2026-05-15 17:19:25

Appending output

Time of First Successful Submission: 2026-05-15 17:22:59

Redirecting errors

Time of First Successful Submission: 2026-05-15 17:25:32

Redirecting input

Time of First Successful Submission: 2026-05-15 17:29:18

Grepping stored results

Time of First Successful Submission: 2026-05-15 17:32:14

Grepping live output

Time of First Successful Submission: 2026-05-15 17:33:17

Grepping errors

Time of First Successful Submission: 2026-05-16 10:36:37

Filtering with grep -v

Time of First Successful Submission: 2026-05-16 10:37:39

Filtering with sed

Time of First Successful Submission: 2026-05-16 10:46:13

Duplicating piped data with tee

Time of First Successful Submission: 2026-05-16 10:57:11

Process substitution for input

Time of First Successful Submission: 2026-05-16 11:04:49

Writing to multiple programs

Time of First Successful Submission: 2026-05-16 11:16:08

Split-piping stderr and stdout

Time of First Successful Submission: 2026-05-16 11:18:47

Named pipes

Time of First Successful Submission: 2026-05-16 11:51:25

Printing Variables

Time of First Successful Submission: 2026-05-16 17:38:11

Setting Variables

Time of First Successful Submission: 2026-05-16 17:40:28

Multi-word Variables

Time of First Successful Submission: 2026-05-16 17:43:54

Exporting Variables

Time of First Successful Submission: 2026-05-16 17:49:57

Printing Exported Variables

Time of First Successful Submission: 2026-05-16 17:50:49

Storing Command Output

Time of First Successful Submission: 2026-05-16 17:52:18

Reading Input

Time of First Successful Submission: 2026-05-16 17:55:38

Reading Files

Time of First Successful Submission: 2026-05-16 17:57:45

Translating characters

Time of First Successful Submission: 2026-05-17 19:32:49

Deleting characters

Time of First Successful Submission: 2026-05-17 19:34:11

Deleting newlines

Time of First Successful Submission: 2026-05-17 19:35:49

Extracting the first lines with head

Time of First Successful Submission: 2026-05-17 19:38:06

Extracting specific sections of text

Time of First Successful Submission: 2026-05-17 19:44:52

Sorting data

Time of First Successful Submission: 2026-05-17 19:46:27

Listing Processes

Time of First Successful Submission: 2026-05-18 20:07:11

Killing Processes

Time of First Successful Submission: 2026-05-18 20:08:52

Interrupting Processes

Time of First Successful Submission: 2026-05-18 20:09:28

Killing Misbehaving Processes

Time of First Successful Submission: 2026-05-19 21:11:07

Suspending Processes

Time of First Successful Submission: 2026-05-19 21:13:12

Resuming Processes

Time of First Successful Submission: 2026-05-19 21:14:32

Backgrounding Processes

Time of First Successful Submission: 2026-05-19 21:17:51

Foregrounding Processes

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

Starting Backgrounded Processes

Time of First Successful Submission: 2026-05-19 21:20:22

Process Exit Codes

Time of First Successful Submission: 2026-05-19 21:21:44

Becoming root with su

Time of First Successful Submission: 2026-05-20 10:25:12

Other users with su

Time of First Successful Submission: 2026-05-20 10:25:52

Cracking passwords

Time of First Successful Submission: 2026-05-20 10:46:06

Using sudo

Time of First Successful Submission: 2026-05-20 10:51:43

Changing File Ownership

Time of First Successful Submission: 2026-05-22 11:39:05

Groups and Files

Time of First Successful Submission: 2026-05-22 13:57:54

Fun With Groups Names

Time of First Successful Submission: 2026-05-22 14:00:02

Changing Permissions

Time of First Successful Submission: 2026-05-22 14:08:54

Executable Files

Time of First Successful Submission: 2026-05-22 14:10:59

Permission Tweaking Practice

Time of First Successful Submission: 2026-05-22 14:17:23

Permissions Setting Practice

Time of First Successful Submission: 2026-05-22 14:25:03

The SUID Bit

Time of First Successful Submission: 2026-05-22 14:30:09

Chaining with Semicolons

Time of First Successful Submission: 2026-05-23 10:10:58

Building on Success

Time of First Successful Submission: 2026-05-23 10:11:57

Handling Failure

Time of First Successful Submission: 2026-05-23 10:13:27

Your First Shell Script

Time of First Successful Submission: 2026-05-23 10:16:04

Redirecting Script Output

Time of First Successful Submission: 2026-05-23 10:23:28

Executable Shell Scripts

Time of First Successful Submission: 2026-05-23 10:27:22

Understanding Shebangs

Time of First Successful Submission: 2026-05-23 10:31:07

Scripting with Arguments

Time of First Successful Submission: 2026-05-23 10:39:35

Scripting with Conditionals

Time of First Successful Submission: 2026-05-23 10:45:13

Scripting with Default Cases

Time of First Successful Submission: 2026-05-23 10:46:39

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-05-23 10:49:44

Reading Shell Scripts

Time of First Successful Submission: 2026-05-23 10:55:55

Launching Screen

Time of First Successful Submission: 2026-05-23 10:59:02

Detaching and Attaching

Time of First Successful Submission: 2026-05-23 11:36:31

Finding Sessions

Time of First Successful Submission: 2026-05-23 11:39:22

Switching Windows

Time of First Successful Submission: 2026-05-23 17:25:55

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-05-23 17:27:41

Switching Windows (tmux)

Time of First Successful Submission: 2026-05-23 20:00:02

The PATH Variable

Time of First Successful Submission: 2026-05-23 21:24:27

Setting PATH

Time of First Successful Submission: 2026-05-23 21:26:13

Finding Commands

Time of First Successful Submission: 2026-05-23 21:28:27

Adding Commands

Time of First Successful Submission: 2026-05-23 21:47:56

Hijacking Commands

Time of First Successful Submission: 2026-05-23 21:53:36

Bashrc Backdoor

Time of First Successful Submission: 2026-05-24 10:41:29

Sniffing Input

Time of First Successful Submission: 2026-05-24 11:35:17

Overshared Directories

Time of First Successful Submission: 2026-05-24 12:48:26

Tricky Linking

Time of First Successful Submission: 2026-05-24 20:00:24

Sniffing Process Arguments

Time of First Successful Submission: 2026-05-24 20:03:18

Snooping on Configurations

Time of First Successful Submission: 2026-05-24 20:06:39

The Fork Bomb

Time of First Successful Submission: 2026-05-25 19:46:25

Disk-Space Doomsday

Time of First Successful Submission: 2026-05-25 20:42:19

rm -rf /

Time of First Successful Submission: 2026-05-26 20:48:52

Life after rm -rf /

Time of First Successful Submission: 2026-06-01 10:46:57

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-06-01 10:49:30


Computing 101

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Your First Register

Time of First Successful Submission: 2026-05-19 13:36:04

Your First Syscall

Time of First Successful Submission: 2026-05-19 13:40:33

Exit Codes

Time of First Successful Submission: 2026-05-19 13:43:59

Building Executables

Time of First Successful Submission: 2026-05-19 14:08:33

Moving Between Registers

Time of First Successful Submission: 2026-05-19 14:16:49

Loading From Memory

Time of First Successful Submission: 2026-05-20 11:10:10

More Loading Practice

Time of First Successful Submission: 2026-05-20 11:11:47

Dereferencing Pointers

Time of First Successful Submission: 2026-05-20 12:20:22

Dereferencing Yourself

Time of First Successful Submission: 2026-05-20 12:22:12

Dereferencing with Offsets

Time of First Successful Submission: 2026-05-20 12:26:25

Stored Addresses

Time of First Successful Submission: 2026-05-20 12:37:19

Double Dereference

Time of First Successful Submission: 2026-05-20 13:04:24

The Stack

Time of First Successful Submission: 2026-05-20 18:46:57

Stack Offsets

Time of First Successful Submission: 2026-05-20 18:50:02

Program Arguments on the Stack

Time of First Successful Submission: 2026-05-20 18:54:59

Popping From the Stack

Time of First Successful Submission: 2026-05-20 19:00:04

Negative Numbers

Time of First Successful Submission: 2026-06-16 13:40:31

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-06-16 15:08:08

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-06-16 15:14:24

Encoding Negatives

Time of First Successful Submission: 2026-06-17 09:26:31

Binary and Hex Encoding

Time of First Successful Submission: 2026-06-17 09:29:46

More Hex

Time of First Successful Submission: 2026-06-17 09:32:05

Decoding Hex

Time of First Successful Submission: 2026-06-17 09:34:05

Mixed Conversions

Time of First Successful Submission: 2026-06-17 09:43:16

Disassembling Programs

Time of First Successful Submission: 2026-05-22 19:26:09

Tracing Syscalls

Time of First Successful Submission: 2026-05-22 19:30:04

Starting GDB

Time of First Successful Submission: 2026-05-22 19:31:19

Quitting GDB

Time of First Successful Submission: 2026-05-22 19:32:17

Starting Programs in GDB

Time of First Successful Submission: 2026-05-22 19:34:17

Disassembling in GDB

Time of First Successful Submission: 2026-05-22 19:35:34

Stepping Through Instructions

Time of First Successful Submission: 2026-05-22 19:37:22

Reading Register Values

Time of First Successful Submission: 2026-05-22 19:39:12

Popping Stack Values

Time of First Successful Submission: 2026-05-22 19:41:51

Examining Memory

Time of First Successful Submission: 2026-05-22 19:44:54

Examining Stack Pointers

Time of First Successful Submission: 2026-05-22 22:00:15

Cooperative Debugging

Time of First Successful Submission: 2026-05-22 22:09:31

Running with Arguments

Time of First Successful Submission: 2026-06-17 09:54:49

Writing Output

Time of First Successful Submission: 2026-06-01 21:16:46

Chaining Syscalls

Time of First Successful Submission: 2026-06-01 21:18:48

Writing Strings

Time of First Successful Submission: 2026-06-01 21:20:18

Reading Data

Time of First Successful Submission: 2026-06-01 21:44:28

Reading Exactly

Time of First Successful Submission: 2026-06-17 10:00:53

Opening Files

Time of First Successful Submission: 2026-06-03 08:53:07

Hardcoding the Filename

Time of First Successful Submission: 2026-06-03 09:03:24

RIP-Relative Strings

Time of First Successful Submission: 2026-06-17 21:34:41


DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-05-13 13:24:51

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-13 13:27:20

Using the GUI Desktop

Time of First Successful Submission: 2026-05-13 13:29:05

Pasting into the Desktop

Time of First Successful Submission: 2026-05-13 13:31:43

Connecting over SSH

Time of First Successful Submission: 2026-05-13 13:39:34

Restarting Challenges

Time of First Successful Submission: 2026-05-13 13:43:10

Getting Help

Time of First Successful Submission: 2026-05-13 13:48:40

Challenge Programs

Time of First Successful Submission: 2026-05-13 19:29:37

The Flag File

Time of First Successful Submission: 2026-05-13 19:35:17

Using Privileged Mode

Time of First Successful Submission: 2026-05-13 19:41:42

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-13 19:46:42

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-13 19:47:57


GCA CTF

12 / 104 2764 / 48406


Using the Terminal

Time of First Successful Submission: 2026-05-13 13:24:51

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-13 13:27:20

Using the GUI Desktop

Time of First Successful Submission: 2026-05-13 13:29:05

Pasting into the Desktop

Time of First Successful Submission: 2026-05-13 13:31:43

Connecting over SSH

Time of First Successful Submission: 2026-05-13 13:39:34

Restarting Challenges

Time of First Successful Submission: 2026-05-13 13:43:10

Getting Help

Time of First Successful Submission: 2026-05-13 13:48:40

Challenge Programs

Time of First Successful Submission: 2026-05-13 19:29:37

The Flag File

Time of First Successful Submission: 2026-05-13 19:35:17

Using Privileged Mode

Time of First Successful Submission: 2026-05-13 19:41:42

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-13 19:46:42

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-13 19:47:57