Bash

Linux file system

Command lines

pwd current dir

cd change dir (no path specify will return to home dir)

ls list of content

ls -l (display long) and ls -lt (sort by time) and ls -ltr (sort by time and reverse) and ls -al (show hidden files too)

ls *.txt list only doc ends with .txt

clear

mkdir new dir

cp copy

rm remove

mv move

man ls manual

history list of past command

Control-A to command start

Control-A to command end

ls -l > ls.out create ls.out file

echo "hello" >> ls.out append "hello" to the end of ls.out file

less ls.out read file

nano read file

Define new Linux alias

alias gs="git status"