How to show hidden files/directories on the command line
From http://askubuntu.com/questions/468901/how-to-show-only-hidden-files-in-terminal
The command :
ls -ld .?*
Will only list hidden files .
Explain :
-l use a long listing format
-d, --directory
list directory entries instead of contents, and do not derefer‐
ence symbolic links
.?* will only state hidden files