| Navigation | Description |
|---|---|
| pwd | Show current directory |
| ls -la | List all files with details |
| cd /path | Change directory |
| mkdir folder | Create new folder |
| File Ops | Description |
|---|---|
| touch file.txt | Create empty file |
| cp file1 file2 | Copy file |
| mv file folder/ | Move file |
| rm file.txt | Delete file |
| Permissions | Description |
|---|---|
| chmod +x script.sh | Make script executable |
| chown user file | Change file owner |
| sudo | Run as superuser |
| whoami | Show current user |
| System Info | Description |
|---|---|
| uname -a | System details |
| top | Live process monitor |
| df -h | Disk usage |
| free -m | Memory usage |
| Package Tools | Description |
|---|---|
| apt update | Update package list (Debian) |
| brew install | Install via Homebrew (macOS) |
| yum install | Install via YUM (RHEL) |
| pacman -S | Install via Pacman (Arch) |