shell command in practice and record for macrotea.cn/tevi video

Shell命令实践-1-2014-5-10.md

change the password of macrotea

• sudo passwd macrotea

list files

• ls
• ls --help
• ls -a
• ls -al

clear the terminal

• clear

hotkey for manage the shell terminal

• ctrl + f : move front one char
• ctrl + b : move back one char
• ctrl + e : move end of current line
• ctrl + d : delete current char
• alt + u : upper the chars
• alt + l : lower the chars
• ctrl + k : cut off to end
• ctrl + u : cut off to start
• ctrl + y : paste your cut content

show me the command history

• history
• history 5

alias your command

• alias ls='ls --color=auto -l'
• alias cls='clear'

show current path

• pwd

show env vars

• env
• echo $PWD
• echo $PATH

where is my command

• whereis ls

ok,thanks for your reading,bye