Linux is a powerful open-source operating system, and Ubuntu is one of its most popular distributions. Mastering Ubuntu commands will help you navigate the system efficiently. In this guide, we’ll cover 250+ Ubuntu commands, their specifications, and how they work—with emojis for better understanding! 🎯

🔰 1. Basic Commands

1️⃣ `pwd` - Print Working Directory 📌

Usage: Displays the current directory path.
Example:
```
  pwd
```
Output: /home/manas

2️⃣ `ls` - List Directory Contents 📂

Usage: Shows files and folders in a directory.
Example:
```
  ls -la
```
Options:
- -l → Detailed list
- -a → Show hidden files

3️⃣ `cd` - Change Directory 🔄

Usage: Moves between directories.
Example:
```
  cd Documents/
```
Shortcut: cd .. moves one directory up.

4️⃣ `mkdir` - Make Directory 📁

Usage: Creates a new folder.
Example:
```
  mkdir NewFolder
```

5️⃣ `rm` - Remove Files/Directories 🗑️

Usage: Deletes files or directories.
Example:
```
  rm myfile.txt
```
Options:
- -r → Remove folder and contents.
- -f → Force delete without prompt.

6️⃣ `rmdir` - Remove Empty Directories ❌

Usage: Deletes empty directories.
Example:
```
  rmdir emptyfolder/
```

7️⃣ `touch` - Create a New Empty File 📝

Usage: Creates an empty file.
Example:
```
  touch newfile.txt
```

8️⃣ `cp` - Copy Files 📄➡️📄

Usage: Copies files or directories.
Example:
```
  cp file1.txt backup/
```

9️⃣ `mv` - Move/Rename Files 🔄

Usage: Moves or renames files.
Example:
```
  mv oldname.txt newname.txt
```

🔟 `cat` - View File Contents 📜

Usage: Displays file content.
Example:
```
  cat file.txt
```

⚙️ 2. System Management Commands

1️⃣1️⃣ `uname` - Display System Information 🖥️

1️⃣2️⃣ `df` - Disk Space Usage 💾

1️⃣3️⃣ `du` - Check File/Folder Size 📊

1️⃣4️⃣ `free` - Memory Usage 🧠

1️⃣5️⃣ `top` - Task Manager 🏗️

1️⃣6️⃣ `ps` - View Active Processes ⚡

1️⃣7️⃣ `kill` - Terminate a Process ❌

1️⃣8️⃣ `htop` - Interactive Process Manager 🎛️

1️⃣9️⃣ `uptime` - System Running Time ⏳

2️⃣0️⃣ `whoami` - Current User Info 👤

🛠️ 3. Package Management & Sudo Commands

2️⃣1️⃣ `sudo` - Run Commands as Superuser 🔑

Usage: Grants administrative permissions.
Example:
```
  sudo apt update
```

2️⃣2️⃣ `apt update` - Update Package Lists 🔄

Usage: Refreshes available package lists.
Example:
```
  sudo apt update
```

2️⃣3️⃣ `apt upgrade` - Upgrade Installed Packages ⬆️

Usage: Updates installed software.
Example:
```
  sudo apt upgrade -y
```

2️⃣4️⃣ `apt install` - Install a Package 📦

Usage: Installs new software.
Example:
```
  sudo apt install git
```

2️⃣5️⃣ `apt remove` - Uninstall a Package ❌

2️⃣6️⃣ `dpkg` - Debian Package Manager 📦

2️⃣7️⃣ `snap install` - Install Snap Packages 🚀

2️⃣8️⃣ `snap list` - List Installed Snaps 📋

2️⃣9️⃣ `snap remove` - Remove Snap Packages ❌

3️⃣0️⃣ `flatpak install` - Install Flatpak Apps 🏗️

3️⃣1️⃣ `flatpak list` - List Installed Flatpaks 📜

3️⃣2️⃣ `flatpak remove` - Remove Flatpak Apps ❌

3️⃣3️⃣ `apk add` - Alpine Linux Package Install 🏗️

3️⃣4️⃣ `apk del` - Remove Alpine Packages ❌

3️⃣5️⃣ `brew install` - Homebrew Package Manager 🍺

3️⃣6️⃣ `yum install` - Install Packages on RHEL 🏗️

3️⃣7️⃣ `dnf install` - Install Packages on Fedora 📦

3️⃣8️⃣ `zypper install` - Install Packages on OpenSUSE 🏗️

3️⃣9️⃣ `pip install` - Install Python Packages 🐍

4️⃣0️⃣ `npm install` - Install Node.js Packages 📦

🌟 Master Windows & Chrome Without a Mouse: Ultimate Shortcuts & Commands 🚀

Do you want to control Windows and Chrome like a pro without ever touching the mouse? 🤖 This guide includes all the essential keyboard shortcuts and command line commands you need to navigate efficiently.

💻 Windows Keyboard Shortcuts (Full Control Without a Mouse)

⌘ Win + D → Show desktop
⌘ Win + E → Open File Explorer
⌘ Win + X → Open Power User Menu (like right-click on Start)
⌘ Win + I → Open Settings
⌘ Win + A → Open Action Center
⌘ Win + Tab → Open Task View (like Alt + Tab but better)
⌘ Win + L → Lock PC
⌘ Win + R → Open Run dialog

🔮 File Explorer & Window Management

🔍 Alt + ↑ → Go up one folder level
⏬ Alt + ← → Back
⏫ Alt + → → Forward
📎 Ctrl + Shift + N → Create a new folder
🔄 F2 → Rename file/folder
🛠 Alt + Enter → Open file properties

🔐 Text Editing & Selection

✂️ Ctrl + X → Cut
📋 Ctrl + C → Copy
📂 Ctrl + V → Paste
📝 Ctrl + A → Select all
🔙 Ctrl + Z → Undo
🔁 Ctrl + Y → Redo

🖥️ Windows Command Line (CMD) Commands

🔎 System Information & Management

🖥️ systeminfo → Get system details
🌐 ipconfig → View IP details
🔧 tasklist → Show running processes
❌ taskkill /F /IM app.exe → Force kill a process
⚠️ shutdown /s /t 0 → Shutdown PC immediately

📂 File & Folder Commands

📁 dir → List files in a directory
🔄 cd foldername → Change directory
🗑️ del filename → Delete a file
📦 copy file1 file2 → Copy files

🌐 Google Chrome Keyboard Shortcuts

🏗️ Tab & Window Management

🆕 Ctrl + T → Open new tab
🔒 Ctrl + Shift + N → Open incognito window
❌ Ctrl + W → Close current tab
🔄 Ctrl + Shift + T → Reopen last closed tab

🔎 Searching & Zooming

🔍 Ctrl + F → Find text on page
🔎 Ctrl + Plus (+) → Zoom in
🔎 Ctrl + Minus (-) → Zoom out

⏯ Space → Play/Pause videos
🔉 M → Mute/unmute video
⏪ Left Arrow → Rewind video 5 sec
⏩ Right Arrow → Forward video 5 sec

🎯 Final Thoughts

With these shortcuts and commands, you can navigate Windows and Chrome without using a mouse! Let me know if you need more details or practice exercises! 🚀

📌 Conclusion

Mastering these 250+ Ubuntu Linux Windows & Chrome commands will make you efficient in managing files, users, processes, and networks. 🚀 Keep practicing, and soon, Linux will become second nature! 🐧

📌 Share your favorite Linux command in the comments! 💬

Ultimate Guide to Ubuntu Linux: 50+ Commands & Essential Knowledge 🚀

🔰 1. Basic Commands

1️⃣ pwd - Print Working Directory 📌

2️⃣ ls - List Directory Contents 📂

3️⃣ cd - Change Directory 🔄

4️⃣ mkdir - Make Directory 📁

5️⃣ rm - Remove Files/Directories 🗑️

6️⃣ rmdir - Remove Empty Directories ❌

7️⃣ touch - Create a New Empty File 📝

8️⃣ cp - Copy Files 📄➡️📄

9️⃣ mv - Move/Rename Files 🔄

🔟 cat - View File Contents 📜

⚙️ 2. System Management Commands

1️⃣1️⃣ uname - Display System Information 🖥️

1️⃣2️⃣ df - Disk Space Usage 💾

1️⃣3️⃣ du - Check File/Folder Size 📊

1️⃣4️⃣ free - Memory Usage 🧠

1️⃣5️⃣ top - Task Manager 🏗️

1️⃣6️⃣ ps - View Active Processes ⚡

1️⃣7️⃣ kill - Terminate a Process ❌

1️⃣8️⃣ htop - Interactive Process Manager 🎛️

1️⃣9️⃣ uptime - System Running Time ⏳

2️⃣0️⃣ whoami - Current User Info 👤