how is a dir named " ?

2025-04-10

[/tmp]# ls -al | more
total 10640
drwxrwxrwt 14 root root 61440 Aug 18 19:22 ./
drwxr-xr-x 21 root root 4096 Aug 12 10:43 ../
drwxr-xr-x 2 nobody nobody 4096 Aug 17 14:45 "/

How is it possible to have such a dir named "?

It isnt accessable, due to the ". Anyone with an idea?

Thanks