| System | |
|---|---|
| cat /etc/os-release | Distro Information |
| top | Live processes |
| ps aux | List processes |
| kill pid | Kill process |
Linux Essentials
Most used Linux commands for daily tasks.
| Navigation | |
|---|---|
| ls | List files |
| cd directory | Change directory |
| pwd | Print working dir |
| Files | |
|---|---|
| cp source dest | Copy file/dir |
| mv source dest | Move / rename |
| rm file | Remove file |
| rm -r directory | Remove directory tree |
| touch file | Create file/update timestamp |
| cat file | Show file content |
| grep 'text' file | Search in file |
| grep -i 'text' file | Case-insensitive search |
| grep -n 'text' file | Show line numbers |
| grep -r 'text' directory | Recursive search |
| grep -E 'regex' file | Extended regex |
| grep -v 'text' file | Invert match |
| grep -A 3 -B 2 'text' file | Context lines (after 3 / before 2) |
| find /path -name 'pattern' | Find files by name |
| find /path -type f -size +10M | Find large files (>10MB) |
| locate filename | Search indexed database |
| which command | Executable path |
| Permissions | |
|---|---|
| chmod +x file | Make executable |
| sudo command | Run as superuser |