Basics & System Admin
Navigate the filesystem, manage users, permissions, processes, and packages. Build a rock-solid foundation.
Learn the command line, the right way
Master Bash &
Terminal Commands
For students and IT professionals alike — from basics, system admin, terminal and remote access, networking, security and forensics, dev and devops, editors, hacking tools and more.
Use it now in your browser while the app awaits Google Play approval
0
Categories
0+
Commands
Offline
Ready anywhere
justbash — zsh — 80×24
➜ ~ whoami
learner
➜ ~ grep -ri "skills" ./justbash
basics, sysadmin, networking, security,
forensics, devops, editors, hacking…
➜ ~ ./learn --start _
Learn Bash/Linux Commands/PowerShell Scripting/Terminal & CLI/Coding for Developers/Networking & Security/DevOps & Forensics
// everything in one app
From your first command to advanced security tooling
Structured skill tracks that take you from typing your first command to running real-world system administration, networking, and security workflows.
Terminal & Remote Access
Master SSH, SCP, tmux, and remote sessions. Work confidently on any server from anywhere.
Networking
Inspect connections, diagnose with ping, netstat, curl and dig, and understand how packets really move.
Security & Forensics
Audit systems, analyze logs, hash and encrypt files, and investigate incidents like a pro.
DevOps & Development
Git workflows, Docker, CI pipelines, and shell scripting to automate everything you build and ship.
Editors & Tools
Get fluent in Vim, Nano, sed and awk, plus the everyday utilities that make you faster at the keyboard.
Advanced track
Hacking Tools & Pen-Testing Essentials
Go hands-on with nmap, the ethical reconnaissance toolkit, and the command-line workflows used in real security assessments — explained safely and clearly.
$ nmap -sV target
scanning 1000 ports…
22/tcp open ssh
// see it in action
A real terminal in your pocket
Interactive lessons, a built-in command reference, and a practice sandbox — all designed for the small screen.
Lesson 03 · Files
$ ls -la
drwxr-xr-x docs
-rw-r--r-- notes.txt
$ _
Next lesson
Skill tracks
⌘Basics
⌘Networking
⌘Security
⌘DevOps
Command reference
grep
grep [opts] pattern
-i ignore case
-r recursive
-n line numbers
try it →
Your progress
68%
204 / 300 commands learned
🔥 12-day streak
➜ indie dev
// about the developer
Built by an InfoSec expert who lives in the terminal
Just Bash was created by Nizar Hezhaz — an InfoSec expert passionate about making the command line approachable. After years of mentoring students and onboarding IT professionals, the goal became simple: turn the intimidating black screen into a friendly, structured learning journey that anyone can follow at their own pace.
Learn Bash, Linux, PowerShell and the Terminal — all in one app
Just Bash is a focused, offline-ready learning app that turns the command line into an approachable skill. Whether you are a computer science student taking your first steps in a Linux terminal, a developer sharpening your Bash scripting, or an IT professional who needs a fast command reference, Just Bash gives you 62 categories and over 1500 real commands in your pocket — no internet required.
The app spans the entire command-line landscape: Bash and shell scripting, core Linux commands, Windows PowerShell, terminal navigation and remote access over SSH, networking, cybersecurity and digital forensics, DevOps workflows with tools like git, Docker and Kubernetes, text editors such as vim and nano, and a curated set of ethical hacking and pen-testing tools.
For students
Build command-line confidence from the basics. Clear explanations and real examples make learning Linux and Bash painless — perfect for coursework, labs and exam prep.
For developers
Keep a complete coding and DevOps reference at hand. Look up shell scripting patterns, git workflows and terminal shortcuts that speed up everyday development.
For IT professionals
Master system administration, networking, security and forensics. The offline command reference is ideal for sysadmins, security analysts and on-call engineers.
// get in touch
Have a question or feedback?
Send a message and it lands straight in the developer's inbox.
Start mastering the command line today
Just Bash is launching soon on Google Play — but you can start using the full command library right now, free in your browser.
Open the App
Coming Soon