manjaro 只显示当前路劲
终端路劲太长不是很方便，于是想改为只显示当前路劲
将大写W改为小写w
vim ~/.bashrc
if [[ ${EUID} == 0 ]] ; then
# show [email protected] when we don't have colors
PS1='\[email protected]\h \w \$ '
else
PS1='\[email protected]\h \w \$ '
fi