![// [중복] 디렉토리는 무엇입니까?](https://linux55.com/image/134288/%2F%2F%20%5B%EC%A4%91%EB%B3%B5%5D%20%EB%94%94%EB%A0%89%ED%86%A0%EB%A6%AC%EB%8A%94%20%EB%AC%B4%EC%97%87%EC%9E%85%EB%8B%88%EA%B9%8C%3F.png)
$ cd /
/$ ls
bin dev home initrd.img.old lib64 media opt root sbin sys usr vmlinuz
boot etc initrd.img lib lost+found mnt proc run srv tmp var vmlinuz.old
/$ cd //
//$ ls
bin dev home initrd.img.old lib64 media opt root sbin sys usr vmlinuz
boot etc initrd.img lib lost+found mnt proc run srv tmp var vmlinuz.old
//$ pwd
//
//$ cd ///
/$
/$ pwd
/
이건 무슨 트릭인가요? 무엇인가요 //
?