A brief run-down for those whose Unix skills are rusty:
Table A-1. Simple Unix commands
| Action | Command |
|---|---|
| Change to home directory | cd |
| Change to directory | cd directory |
| Change to directory above current directory | cd .. |
| Show current directory | pwd |
| Directory listing | ls |
| Wide directory listing, showing hidden files | ls -al |
| Showing file permissions | ls -al |
| Making a file executable | chmod +x filename |
| Printing a long file a screenful at a time | more filename or less filename |
| Getting help for command | man command |