03 - Command Line

Common command line file command

ls - list files

cd - move into directory

mkdir - make a directory

rmdir  - remove a directory

rm - remove a file

mv - rename a file

chmod - change the permission on a file

chown - change the owner of a file

chgrp - change the group of a file

File Globbing, file globbing is a

Command History

Bash will keep a history of all the commands you type.(there is a limit)  You can use the command 'history' to list all your pervious commands.

You can use emacs editor keys to move through and edit the commands.

^p - Previous

^n - Next

^a - goto begning of line

^e - goto end of line

^f - go forward a character

^b - go back a character

You can also use the command 'script' to record your shell session.

Processes

& - ability to put a command into the background

ps - list process on the systerm

top - a terminal based process list ( can also list by other fields)

jobs - list process you running associated with this shell

nice - tool to change the priority of a process