DoubtM@n

🧙

United States

Intro to Programming Languages

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P1.0 Level 1 Open /flag in VSCode

Time of First Successful Submission: 2026-04-28 14:43:57

Commands

Time of First Successful Submission: 2026-03-21 16:37:16

Command Arguments

Time of First Successful Submission: 2026-03-21 16:38:21

Command History

Time of First Successful Submission: 2026-03-21 16:39:04

The Root Path

Time of First Successful Submission: 2026-03-21 16:40:29

Absolute Paths

Time of First Successful Submission: 2026-03-21 16:44:39

Changing position

Time of First Successful Submission: 2026-03-21 17:02:05

Changing to an Absolute Path

Time of First Successful Submission: 2026-03-21 17:03:56

Relative Paths

Time of First Successful Submission: 2026-03-21 17:06:28

P1.0 Level 5 read

Time of First Successful Submission: 2026-04-29 20:09:51

Cat

Time of First Successful Submission: 2026-03-21 18:56:21

Ls

Time of First Successful Submission: 2026-03-21 19:26:43

Ls All

Time of First Successful Submission: 2026-03-21 20:30:02

P1.0 Level 2 list dir

Time of First Successful Submission: 2026-04-28 14:38:05

Find

Time of First Successful Submission: 2026-03-23 02:49:25

P1.0 Level 3 change dir

Time of First Successful Submission: 2026-04-30 20:17:39

P1.0 Level 4 move

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

P1.0 Level 6 grep

Time of First Successful Submission: 2026-05-19 00:37:41

P1.0 Level 7 execute

Time of First Successful Submission: 2026-05-05 18:02:47

Piping Echo

Time of First Successful Submission: 2026-03-25 00:40:56

Piping Stdout

Time of First Successful Submission: 2026-03-25 00:42:08

Piping Stdin

Time of First Successful Submission: 2026-04-14 00:39:08

P1.0 Level 9 pipe

Time of First Successful Submission: 2026-05-06 20:20:16

P1.0 Level 10 args

Time of First Successful Submission: 2026-05-06 23:26:18


Intro to Cybersecurity

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Connect

Time of First Successful Submission: 2026-05-19 20:06:22

Send

Time of First Successful Submission: 2026-05-20 23:37:11

Shutdown

Time of First Successful Submission: 2026-05-21 13:46:44

Listen

Time of First Successful Submission: 2026-05-22 20:07:06

Firewall 1

Time of First Successful Submission: 2026-05-23 14:40:19

Firewall 2

Time of First Successful Submission: 2026-05-24 11:19:14

Firewall 3

Time of First Successful Submission: 2026-05-25 14:39:36

level1

Time of First Successful Submission: 2026-05-06 23:32:48

level2

Time of First Successful Submission: 2026-05-06 23:38:49

level3

Time of First Successful Submission: 2026-05-06 23:42:31

level4

Time of First Successful Submission: 2026-05-06 23:44:46

level6

Time of First Successful Submission: 2026-05-07 06:14:00

level7

Time of First Successful Submission: 2026-05-08 21:01:31

level8

Time of First Successful Submission: 2026-05-10 01:53:43

level9

Time of First Successful Submission: 2026-05-10 22:18:50

level10

Time of First Successful Submission: 2026-05-11 17:00:52

level11

Time of First Successful Submission: 2026-05-12 17:41:48

level12

Time of First Successful Submission: 2026-05-13 18:30:15

level13

Time of First Successful Submission: 2026-05-14 05:37:57

level14

Time of First Successful Submission: 2026-05-15 05:14:18

level15

Time of First Successful Submission: 2026-05-16 11:26:54

level16

Time of First Successful Submission: 2026-05-17 05:03:55


Start Here

12 / 12 1818 / 46345


Using the Terminal

Time of First Successful Submission: 2026-03-21 15:30:50

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-21 15:33:39

Using the GUI Desktop

Time of First Successful Submission: 2026-03-21 15:37:34

Pasting into the Desktop

Time of First Successful Submission: 2026-03-21 15:40:59

Restarting Challenges

Time of First Successful Submission: 2026-03-21 15:46:40

Challenge Programs

Time of First Successful Submission: 2026-03-21 15:50:09

The Flag File

Time of First Successful Submission: 2026-03-21 16:22:03

Using Privileged Mode

Time of First Successful Submission: 2026-03-21 16:25:35

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-21 16:31:56

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-21 16:33:09


Linux Luminarium

103 / 128 6686 / 34612


Intro to Commands

Time of First Successful Submission: 2026-03-21 16:37:16

Intro to Arguments

Time of First Successful Submission: 2026-03-21 16:38:21

Command History

Time of First Successful Submission: 2026-03-21 16:39:04

The Root

Time of First Successful Submission: 2026-03-21 16:40:29

Program and absolute paths

Time of First Successful Submission: 2026-03-21 16:44:39

Position thy self

Time of First Successful Submission: 2026-03-21 17:02:05

Position elsewhere

Time of First Successful Submission: 2026-03-21 17:03:56

implicit relative paths, from /

Time of First Successful Submission: 2026-03-21 17:06:28

explicit relative paths, from /

Time of First Successful Submission: 2026-03-28 18:07:56

implicit relative path

Time of First Successful Submission: 2026-03-28 18:09:32

home sweet home

Time of First Successful Submission: 2026-03-28 18:15:56

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-21 18:56:21

catting absolute paths

Time of First Successful Submission: 2026-03-21 18:57:21

more catting practice

Time of First Successful Submission: 2026-03-21 19:22:19

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-21 19:23:44

comparing files

Time of First Successful Submission: 2026-03-21 19:25:11

listing files

Time of First Successful Submission: 2026-03-21 19:26:43

touching files

Time of First Successful Submission: 2026-03-21 19:30:33

removing files

Time of First Successful Submission: 2026-03-21 19:31:41

moving files

Time of First Successful Submission: 2026-03-21 20:26:02

copying files

Time of First Successful Submission: 2026-03-21 20:28:28

hidden files

Time of First Successful Submission: 2026-03-21 20:30:02

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-21 21:45:55

making directories

Time of First Successful Submission: 2026-03-21 21:47:07

finding files

Time of First Successful Submission: 2026-03-23 02:49:25

linking files

Time of First Successful Submission: 2026-03-23 03:07:27

Learning From Documentation

Time of First Successful Submission: 2026-03-23 03:10:28

Learning Complex Usage

Time of First Successful Submission: 2026-03-23 03:12:29

Reading Manuals

Time of First Successful Submission: 2026-03-23 03:20:41

Searching Manuals

Time of First Successful Submission: 2026-03-23 03:27:14

Searching For Manuals

Time of First Successful Submission: 2026-03-23 03:54:45

Helpful Programs

Time of First Successful Submission: 2026-03-23 03:57:30

Help for Builtins

Time of First Successful Submission: 2026-03-23 04:03:24

Matching with *

Time of First Successful Submission: 2026-03-23 05:04:09

Matching with ?

Time of First Successful Submission: 2026-03-23 05:05:09

Matching with []

Time of First Successful Submission: 2026-03-30 13:08:29

Matching paths with []

Time of First Successful Submission: 2026-03-30 13:09:13

Multiple globs

Time of First Successful Submission: 2026-03-30 13:11:11

Mixing globs

Time of First Successful Submission: 2026-05-12 03:03:28

Exclusionary globbing

Time of First Successful Submission: 2026-05-12 03:06:07

Tab completion

Time of First Successful Submission: 2026-04-20 04:17:46

Multiple options for tab completion

Time of First Successful Submission: 2026-05-12 03:20:13

Tab completion on commands

Time of First Successful Submission: 2026-05-12 03:22:27

Redirecting output

Time of First Successful Submission: 2026-03-25 00:40:56

Redirecting more output

Time of First Successful Submission: 2026-03-25 00:42:08

Appending output

Time of First Successful Submission: 2026-03-29 20:19:56

Redirecting errors

Time of First Successful Submission: 2026-04-02 06:19:22

Redirecting input

Time of First Successful Submission: 2026-04-14 00:39:08

Grepping stored results

Time of First Successful Submission: 2026-04-14 00:41:03

Grepping live output

Time of First Successful Submission: 2026-05-13 03:08:40

Grepping errors

Time of First Successful Submission: 2026-05-13 03:25:58

Filtering with grep -v

Time of First Successful Submission: 2026-05-13 03:28:16

Filtering with sed

Time of First Successful Submission: 2026-05-13 03:36:30

Printing Variables

Time of First Successful Submission: 2026-03-25 17:15:24

Setting Variables

Time of First Successful Submission: 2026-03-25 17:16:02

Multi-word Variables

Time of First Successful Submission: 2026-03-27 01:01:54

Exporting Variables

Time of First Successful Submission: 2026-03-27 01:03:53

Printing Exported Variables

Time of First Successful Submission: 2026-03-27 01:04:59

Storing Command Output

Time of First Successful Submission: 2026-03-27 01:08:01

Reading Input

Time of First Successful Submission: 2026-03-27 01:08:54

Reading Files

Time of First Successful Submission: 2026-03-27 01:14:33

Translating characters

Time of First Successful Submission: 2026-04-01 02:49:33

Deleting characters

Time of First Successful Submission: 2026-04-01 02:52:05

Deleting newlines

Time of First Successful Submission: 2026-04-01 02:54:58

Extracting the first lines with head

Time of First Successful Submission: 2026-04-01 02:58:56

Extracting specific sections of text

Time of First Successful Submission: 2026-04-01 03:02:57

Sorting data

Time of First Successful Submission: 2026-04-01 03:06:37

Listing Processes

Time of First Successful Submission: 2026-03-28 16:13:57

Killing Processes

Time of First Successful Submission: 2026-03-28 16:15:00

Interrupting Processes

Time of First Successful Submission: 2026-03-29 20:21:22

Becoming root with su

Time of First Successful Submission: 2026-03-27 01:16:52

Other users with su

Time of First Successful Submission: 2026-03-27 01:18:12

Cracking passwords

Time of First Successful Submission: 2026-03-27 01:25:16

Using sudo

Time of First Successful Submission: 2026-03-27 01:26:06

Changing File Ownership

Time of First Successful Submission: 2026-03-31 18:50:16

Groups and Files

Time of First Successful Submission: 2026-04-01 22:45:23

Fun With Groups Names

Time of First Successful Submission: 2026-04-01 22:47:26

Changing Permissions

Time of First Successful Submission: 2026-05-13 00:10:37

Executable Files

Time of First Successful Submission: 2026-05-13 00:12:24

Chaining with Semicolons

Time of First Successful Submission: 2026-04-03 02:34:07

Building on Success

Time of First Successful Submission: 2026-04-04 00:28:21

Handling Failure

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

Your First Shell Script

Time of First Successful Submission: 2026-04-05 15:40:25

Redirecting Script Output

Time of First Successful Submission: 2026-05-12 22:05:29

Executable Shell Scripts

Time of First Successful Submission: 2026-04-07 02:50:53

Understanding Shebangs

Time of First Successful Submission: 2026-04-08 01:27:06

Scripting with Arguments

Time of First Successful Submission: 2026-04-08 16:13:06

Scripting with Conditionals

Time of First Successful Submission: 2026-04-09 14:09:40

Scripting with Default Cases

Time of First Successful Submission: 2026-04-11 00:46:57

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-04-11 14:41:10

Reading Shell Scripts

Time of First Successful Submission: 2026-05-12 22:07:13

Launching Screen

Time of First Successful Submission: 2026-03-27 21:19:59

Detaching and Attaching

Time of First Successful Submission: 2026-03-27 21:21:54

Finding Sessions

Time of First Successful Submission: 2026-03-28 00:06:49

Switching Windows

Time of First Successful Submission: 2026-03-28 00:08:27

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-03-28 00:09:50

Switching Windows (tmux)

Time of First Successful Submission: 2026-03-28 00:17:39

The PATH Variable

Time of First Successful Submission: 2026-04-12 13:20:41

Setting PATH

Time of First Successful Submission: 2026-04-15 01:31:32

Finding Commands

Time of First Successful Submission: 2026-04-16 03:32:36

Adding Commands

Time of First Successful Submission: 2026-05-12 22:24:27

Hijacking Commands

Time of First Successful Submission: 2026-05-12 22:36:58

rm -rf /

Time of First Successful Submission: 2026-04-16 19:17:26


Playing With Programs

2 / 116 22187 / 23916


SQL Queries

Time of First Successful Submission: 2026-04-17 22:59:03

Filtering SQL

Time of First Successful Submission: 2026-04-18 23:02:09


Content Injection

1 / 10 120 / 123


Teacher Login

Time of First Successful Submission: 2026-04-12 13:10:06


DSU Cyber Camps

21 / 104 213 / 46640


Using the Terminal

Time of First Successful Submission: 2026-03-21 15:30:50

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-21 15:33:39

Using the GUI Desktop

Time of First Successful Submission: 2026-03-21 15:37:34

Pasting into the Desktop

Time of First Successful Submission: 2026-03-21 15:40:59

Connecting over SSH

Time of First Successful Submission: 2026-03-21 17:27:21

Restarting Challenges

Time of First Successful Submission: 2026-03-21 15:46:40

Getting Help

Time of First Successful Submission: 2026-03-21 18:40:07

Challenge Programs

Time of First Successful Submission: 2026-03-21 15:50:09

The Flag File

Time of First Successful Submission: 2026-03-21 16:22:03

Using Privileged Mode

Time of First Successful Submission: 2026-03-21 16:25:35

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-21 16:31:56

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-21 16:33:09

Running Commands

Time of First Successful Submission: 2026-04-22 01:10:53

Move through the Linux filesystem.

Time of First Successful Submission: 2026-04-22 17:09:53

Create and delete files.

Time of First Successful Submission: 2026-04-22 18:39:46

Move, copy, and rename files.

Time of First Successful Submission: 2026-04-24 01:44:16

Display file contents in the terminal.

Time of First Successful Submission: 2026-04-24 16:44:53

Create files with nano.

Time of First Successful Submission: 2026-04-26 04:51:53

Edit files with nano.

Time of First Successful Submission: 2026-04-27 04:01:49

Locate files on the Linux filesystem.

Time of First Successful Submission: 2026-04-27 04:04:59

Find the password! (Searching files)

Time of First Successful Submission: 2026-04-27 18:10:46


GCA CTF

21 / 104 213 / 46640


Using the Terminal

Time of First Successful Submission: 2026-03-21 15:30:50

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-21 15:33:39

Using the GUI Desktop

Time of First Successful Submission: 2026-03-21 15:37:34

Pasting into the Desktop

Time of First Successful Submission: 2026-03-21 15:40:59

Connecting over SSH

Time of First Successful Submission: 2026-03-21 17:27:21

Restarting Challenges

Time of First Successful Submission: 2026-03-21 15:46:40

Getting Help

Time of First Successful Submission: 2026-03-21 18:40:07

Challenge Programs

Time of First Successful Submission: 2026-03-21 15:50:09

The Flag File

Time of First Successful Submission: 2026-03-21 16:22:03

Using Privileged Mode

Time of First Successful Submission: 2026-03-21 16:25:35

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-21 16:31:56

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-21 16:33:09

Running Commands

Time of First Successful Submission: 2026-04-22 01:10:53

Move through the Linux filesystem.

Time of First Successful Submission: 2026-04-22 17:09:53

Create and delete files.

Time of First Successful Submission: 2026-04-22 18:39:46

Move, copy, and rename files.

Time of First Successful Submission: 2026-04-24 01:44:16

Display file contents in the terminal.

Time of First Successful Submission: 2026-04-24 16:44:53

Create files with nano.

Time of First Successful Submission: 2026-04-26 04:51:53

Edit files with nano.

Time of First Successful Submission: 2026-04-27 04:01:49

Locate files on the Linux filesystem.

Time of First Successful Submission: 2026-04-27 04:04:59

Find the password! (Searching files)

Time of First Successful Submission: 2026-04-27 18:10:46


Hacker History

8 / 8 77 / 167


External BBS (login)

Time of First Successful Submission: 2026-05-05 03:01:37

Internal BBS

Time of First Successful Submission: 2026-05-14 03:44:29

Join an IRC Server

Time of First Successful Submission: 2026-04-21 03:44:20

Join an IRC Server (with an IRC Client)

Time of First Successful Submission: 2026-05-02 17:17:33

Change your nickname

Time of First Successful Submission: 2026-05-03 05:11:27

Join a channel

Time of First Successful Submission: 2026-05-04 05:38:22

Message a channel

Time of First Successful Submission: 2026-05-05 01:28:37

Remove another user

Time of First Successful Submission: 2026-05-05 01:31:56