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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-06-01 19:08:52

Command Arguments

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Command History

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The Root Path

Time of First Successful Submission: 2026-06-01 19:13:07

Absolute Paths

Time of First Successful Submission: 2026-06-01 19:14:21

Changing position

Time of First Successful Submission: 2026-06-01 19:18:52

Changing to an Absolute Path

Time of First Successful Submission: 2026-06-01 19:21:29

Relative Paths

Time of First Successful Submission: 2026-06-01 19:31:46

Cat

Time of First Successful Submission: 2026-06-03 18:48:03

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-05-20 18:01:09

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-20 18:04:49

Using the GUI Desktop

Time of First Successful Submission: 2026-05-20 18:06:29

Pasting into the Desktop

Time of First Successful Submission: 2026-05-20 18:09:47

Restarting Challenges

Time of First Successful Submission: 2026-05-20 18:33:17

Challenge Programs

Time of First Successful Submission: 2026-05-20 18:41:50

The Flag File

Time of First Successful Submission: 2026-05-20 18:44:12

Using Privileged Mode

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

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-20 18:55:47

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-20 18:57:17

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-06-01 19:08:52

Intro to Arguments

Time of First Successful Submission: 2026-06-01 19:09:40

Command History

Time of First Successful Submission: 2026-06-01 19:10:49

The Root

Time of First Successful Submission: 2026-06-01 19:13:07

Program and absolute paths

Time of First Successful Submission: 2026-06-01 19:14:21

Position thy self

Time of First Successful Submission: 2026-06-01 19:18:52

Position elsewhere

Time of First Successful Submission: 2026-06-01 19:21:29

implicit relative paths, from /

Time of First Successful Submission: 2026-06-01 19:31:46

explicit relative paths, from /

Time of First Successful Submission: 2026-06-01 19:33:34

implicit relative path

Time of First Successful Submission: 2026-06-01 19:34:32

home sweet home

Time of First Successful Submission: 2026-06-01 19:48:45

cat: not the pet, but the command!

Time of First Successful Submission: 2026-06-03 18:48:03

catting absolute paths

Time of First Successful Submission: 2026-06-03 18:51:46

Computing 101

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Your First Register

Time of First Successful Submission: 2026-05-20 21:47:56

Your First Syscall

Time of First Successful Submission: 2026-05-20 21:50:55

Exit Codes

Time of First Successful Submission: 2026-05-20 21:52:49

Building Executables

Time of First Successful Submission: 2026-05-20 21:58:53

Moving Between Registers

Time of First Successful Submission: 2026-05-20 22:04:05

Loading From Memory

Time of First Successful Submission: 2026-05-20 22:11:42

More Loading Practice

Time of First Successful Submission: 2026-05-20 22:13:45

Dereferencing Pointers

Time of First Successful Submission: 2026-05-21 07:07:13

Dereferencing Yourself

Time of First Successful Submission: 2026-05-21 11:15:50

Dereferencing with Offsets

Time of First Successful Submission: 2026-05-21 11:22:42

Stored Addresses

Time of First Successful Submission: 2026-05-21 11:42:23

Double Dereference

Time of First Successful Submission: 2026-05-21 11:45:35

The Stack

Time of First Successful Submission: 2026-05-21 20:09:40

Stack Offsets

Time of First Successful Submission: 2026-05-21 20:13:01

Program Arguments on the Stack

Time of First Successful Submission: 2026-05-21 20:15:55

Popping From the Stack

Time of First Successful Submission: 2026-05-21 20:19:53

Disassembling Programs

Time of First Successful Submission: 2026-05-21 20:29:28

Tracing Syscalls

Time of First Successful Submission: 2026-05-21 20:33:24

Starting GDB

Time of First Successful Submission: 2026-05-21 20:35:30

Quitting GDB

Time of First Successful Submission: 2026-05-21 20:36:47

Starting Programs in GDB

Time of First Successful Submission: 2026-05-21 20:39:09

Disassembling in GDB

Time of First Successful Submission: 2026-05-21 20:40:51

Stepping Through Instructions

Time of First Successful Submission: 2026-05-21 21:01:33

Reading Register Values

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

Popping Stack Values

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

Examining Memory

Time of First Successful Submission: 2026-05-21 21:11:51

Examining Stack Pointers

Time of First Successful Submission: 2026-05-21 21:17:27

Cooperative Debugging

Time of First Successful Submission: 2026-05-21 21:46:31

Running with Arguments

Time of First Successful Submission: 2026-06-02 21:06:13

Writing Output

Time of First Successful Submission: 2026-05-23 14:23:42

Chaining Syscalls

Time of First Successful Submission: 2026-05-23 14:26:14

Writing Strings

Time of First Successful Submission: 2026-05-23 14:33:27

Reading Data

Time of First Successful Submission: 2026-05-23 14:38:55

Opening Files

Time of First Successful Submission: 2026-05-23 15:03:50

Hardcoding the Filename

Time of First Successful Submission: 2026-05-23 15:36:11

Comparing Values

Time of First Successful Submission: 2026-05-23 18:50:55

Comparing Characters

Time of First Successful Submission: 2026-05-23 18:53:59

Conditional Control Flow

Time of First Successful Submission: 2026-05-23 19:00:14

Comparing Strings

Time of First Successful Submission: 2026-05-23 19:55:10

Reverse the Password

Time of First Successful Submission: 2026-05-23 20:06:45

Conditionals Without Conditionals

Time of First Successful Submission: 2026-05-23 21:48:36

Looping

Time of First Successful Submission: 2026-05-23 21:56:43

Writing From a Shared Library

Time of First Successful Submission: 2026-06-02 21:31:46

Returning a Value

Time of First Successful Submission: 2026-06-02 21:38:40

Calling Through a Pointer

Time of First Successful Submission: 2026-06-02 21:41:05

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-06-02 21:43:49

Reverse the Calculation

Time of First Successful Submission: 2026-05-24 14:38:02

Reverse the Reverse

Time of First Successful Submission: 2026-05-24 20:04:23

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-05-24 20:11:34

Loops on Data

Time of First Successful Submission: 2026-05-24 20:32:31

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-06-02 22:07:52

Environment Variables on the Stack

Time of First Successful Submission: 2026-06-02 22:25:12

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-06-02 22:45:21

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-06-02 22:51:48

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-06-03 11:47:17

set-register

Time of First Successful Submission: 2026-05-24 22:36:17

set-multiple-registers

Time of First Successful Submission: 2026-05-24 22:47:05

add-to-register

Time of First Successful Submission: 2026-05-24 22:50:31

linear-equation-registers

Time of First Successful Submission: 2026-05-24 22:58:27

integer-division

Time of First Successful Submission: 2026-05-25 10:15:47

modulo-operation

Time of First Successful Submission: 2026-05-25 10:24:49

set-upper-byte

Time of First Successful Submission: 2026-05-25 10:26:53

efficient-modulo

Time of First Successful Submission: 2026-05-25 10:46:45

byte-extraction

Time of First Successful Submission: 2026-05-25 19:58:10

bitwise-and

Time of First Successful Submission: 2026-05-25 21:59:52

check-even

Time of First Successful Submission: 2026-05-25 22:06:09

memory-read

Time of First Successful Submission: 2026-05-25 22:12:03

memory-write

Time of First Successful Submission: 2026-05-25 22:15:01

memory-increment

Time of First Successful Submission: 2026-05-27 13:31:48

byte-access

Time of First Successful Submission: 2026-05-27 13:34:42

memory-size-access

Time of First Successful Submission: 2026-05-27 13:39:32

little-endian-write

Time of First Successful Submission: 2026-05-27 13:46:05

memory-sum

Time of First Successful Submission: 2026-05-27 15:34:45

stack-subtraction

Time of First Successful Submission: 2026-05-27 15:39:29

swap-stack-values

Time of First Successful Submission: 2026-05-27 15:42:38

average-stack-values

Time of First Successful Submission: 2026-05-27 15:53:25

absolute-jump

Time of First Successful Submission: 2026-05-27 15:58:20

relative-jump

Time of First Successful Submission: 2026-05-27 16:16:57

jump-trampoline

Time of First Successful Submission: 2026-05-27 16:19:14

conditional-jump

Time of First Successful Submission: 2026-05-27 17:02:56

indirect-jump

Time of First Successful Submission: 2026-05-27 20:53:10

average-loop

Time of First Successful Submission: 2026-05-27 21:15:32

count-non-zero

Time of First Successful Submission: 2026-05-28 20:06:43

string-lower

Time of First Successful Submission: 2026-05-28 21:30:21

most-common-byte

Time of First Successful Submission: 2026-05-29 21:51:36

Exit

Time of First Successful Submission: 2026-05-30 20:43:26

Socket

Time of First Successful Submission: 2026-05-30 21:05:14

Bind

Time of First Successful Submission: 2026-05-30 21:25:09

Listen

Time of First Successful Submission: 2026-05-30 21:48:08

Accept

Time of First Successful Submission: 2026-05-30 22:03:22

Static Response

Time of First Successful Submission: 2026-05-30 22:35:37

Dynamic Response

Time of First Successful Submission: 2026-05-31 01:19:43

Iterative GET Server

Time of First Successful Submission: 2026-05-31 15:25:24

Concurrent GET Server

Time of First Successful Submission: 2026-05-31 15:58:23

Concurrent POST Server

Time of First Successful Submission: 2026-06-01 02:20:12

Web Server

Time of First Successful Submission: 2026-06-01 18:55:43

Debugging Programs

Time of First Successful Submission: 2026-06-01 19:54:11

Inspecting Registers

Time of First Successful Submission: 2026-06-01 20:00:18

Examining Memory

Time of First Successful Submission: 2026-06-01 20:21:00

Setting Breakpoints

Time of First Successful Submission: 2026-06-01 22:24:47

GDB Scripting

Time of First Successful Submission: 2026-06-01 23:17:02

Modifying Data

Time of First Successful Submission: 2026-06-03 13:10:29

Modifying Execution

Time of First Successful Submission: 2026-06-03 13:17:43

Broken Functions

Time of First Successful Submission: 2026-06-03 17:22:25

Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-06-03 18:18:48

... and again!

Time of First Successful Submission: 2026-06-03 18:20:31

Newline Troubles

Time of First Successful Submission: 2026-06-03 18:26:30

Reasoning about files

Time of First Successful Submission: 2026-06-03 18:36:17

Specifying Filenames

Time of First Successful Submission: 2026-06-03 18:40:12

DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-05-20 18:01:09

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-20 18:04:49

Using the GUI Desktop

Time of First Successful Submission: 2026-05-20 18:06:29

Pasting into the Desktop

Time of First Successful Submission: 2026-05-20 18:09:47

Connecting over SSH

Time of First Successful Submission: 2026-05-20 18:26:26

Restarting Challenges

Time of First Successful Submission: 2026-05-20 18:33:17

Challenge Programs

Time of First Successful Submission: 2026-05-20 18:41:50

The Flag File

Time of First Successful Submission: 2026-05-20 18:44:12

Using Privileged Mode

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

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-20 18:55:47

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-20 18:57:17

GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-05-20 18:01:09

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-20 18:04:49

Using the GUI Desktop

Time of First Successful Submission: 2026-05-20 18:06:29

Pasting into the Desktop

Time of First Successful Submission: 2026-05-20 18:09:47

Connecting over SSH

Time of First Successful Submission: 2026-05-20 18:26:26

Restarting Challenges

Time of First Successful Submission: 2026-05-20 18:33:17

Challenge Programs

Time of First Successful Submission: 2026-05-20 18:41:50

The Flag File

Time of First Successful Submission: 2026-05-20 18:44:12

Using Privileged Mode

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

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-20 18:55:47

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-20 18:57:17