编辑当前用户的 home 路径下的 .bashrc 文件
if [ "$color_prompt" = yes ]; then
PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
# PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ ' this is default settings
PS1='${debian_chroot:+($debian_chroot)}\u : \W\$ ' this is set the prompt to user : currentDir$ ls
fi