| Command | Meaning |
|---|---|
| ls -l | list access rights for all files |
| chmod [options] | file change access rights for named file |
| command & | run command in background |
| ^C | kill the job running in the foreground |
| ^Z | suspend the job running in the foreground |
| bg | background the suspended job |
| jobs | list current jobs |
| fg %1 | foreground job number 1 |
| kill %1 | kill job number 1 |
| ps | list current processes |
| kill 26152 | kill process number 26152(PID) |