Cd
cd = Change DIRPWD view current Location CD-back to last directory (alternating remote CONTROL key) CD ~ Current user home directory CD. Current directory CD: Go to Parent Directory
Ls
Ls-l Display Directory/file details ls-a Show hidden files/directories ls-d only view current directory information Ls-lt sort by time show directories ls-i view file inode numbers (each file has a corresponding inode number)
Which LS view LS position
Alias ls= ' ls--color=auto ' sets the LS--color=auto to LS (only valid at the current terminal) Vim ~/.BASHRC write the set command here, all terminals are in effect/etc/profile the file is set to use the load variable
Shortcut keys
Ctrl L Clear CTRL D/exit/logout Exit CTRL u clear typed command Ctrl k delete cursor after command character CTRL c interrupt command Ctrl Z pause type FG Recover CTRL s lock screen CTRL q Recovery
Linux command shortcut key environment variables