1. PS1
Change PS1 in .bashrc, just show the current directory.
export PS1="\u@\h:\W\$'
where
| Item | Description |
|---|---|
| \u | The name of the logged-in user． |
| \h | The hostname up to the first ‘.’ |
| \W | The basename of $PWD, with $HOME abbreviated with a tilde. |
| \$ | Shows a $ for a regular user or # for root user. |