nchambers 1479487782 learn http://stackoverflow.com/questions/20690828/what-does-double-slash-in-cd-mean-in-linux
izalove 1479487909 forget
izalove 1479488103 learn http://stackoverflow.com/questions/20690828/what-does-double-slash-in-cd-mean-in-linux https://unix.stackexchange.com/questions/12283/unix-difference-between-path-starting-with-and