apt list –installed

List the package that you have installed

dpkg -i

Install the pkg that you want

bash-alias

The bash alias can save your time and life. edite the file in .bash_alias

1. alias server_name = “ssh -v -l USERNAME IP ADDRESS”
2. alias ll = “ls -l”
3. more …

pushd & popd

Go some dir and then you can pop back

Ctrl-a

it quickly switch the input to the begening position.