Basic tidbits
cd / #back to the root directory
cd ~ #back to the home directory
cd - #back to the previous directory
pwd # printing current working directory
Short cuts inside the terminal : ctrl+shift+x / ctrl+shift+v
'du' - Finding the size of a directory
- du -h
'df' - finding the disk free space / disk usage
export PS1='> '
export PS1='\u@\h: ' #both can hide the prolong working direct
Advanced usage:
dd if=filename of=filename1 conv=ucase
Linux view MAC address in a system level.