| Unix Command |
Description |
| ls |
List directory contents |
| cp |
Copy files |
| rm |
Remove directory entries |
| file |
Determine file type |
| find |
Walk a file hierarchy |
| which |
Locate a program file in the user’s path |
| whereis |
Locate programs |
| gcc, g++ |
GNU project C and C++ Compiler |
| gdb |
The GNU Debugger |
| less |
View the contents of a text file |
| diff |
Find differences between two files |
| cmp |
Compare two files |
| vi |
Text editor |
| chmod |
Change file modes |
| man |
Display the on-line manual pages |
| mv |
Move and rename files |
| ispell |
Interactive spelling checker |
| biff |
Be notified if mail arrives and who it is from |
| lpr |
Print a file |
| lpq |
Show the print queue |
| ftp |
Transfer a file to another Unix system |
| logout |
Quit using the system |
| pwd |
Print working directory name |
| cd |
Change working directory |
| ln |
Make a file link |
| mkdir |
Make directories |
| rmdir |
Remove directories |
| chmod |
Change file modes |
| quota |
Display disk usage and limits |
| history |
Display a list of recent commands |
| ps |
Show the status of processes |
| kill |
Stop a running processes |
| passwd |
Change your password |
| alias |
Create a command alias |
| unalias |
Delete a command alias |
| export |
Set an environment variable |
| script |
Record your terminal session to a file |
| bg |
Send a job to the background |
| fg |
Bring a job to the foreground |
| jobs |
Print a list of current job |
