$OLDPWD
–
Previous Working Directory
$OLDPWD contains the previous working directory set by the cd builtin.
Links
BashSupport Pro 是一个 支持 $OLDPWD 的 Bash 集成开发工具 – 马上试用！
$OLDPWD
–
Previous Working Directory$OLDPWD contains the previous working directory set by the cd builtin.