Show only hidden files or directories under a directory

This article is for learning only:

Show all hidden files and directories

[root@localhost] # ls-ad. *

Ls: displaying list information

-a: shows that all files under the current directory or path contain hidden files

D: show only the contents of the current directory itself

The effect diagram is attached below.

Show all hidden directories

[root@localhost] # ls-d. * /

/ identified as a catalog file

The following is the effect picture

Show all hidden files

[root@localhost ~] # ll-ad. * | grep "^ -"

Ll: displaying in long format

. *: all files in the current directory that begin with a dotted star

"^ -": (-) means to reverse an ordinary document (^).

Meaning: show all hidden files that begin with a dot in the current directory in a long format and filter out files that are not ordinary file types.

The following is the effect picture

Or

[root@localhost] # find / root/-type f-name ". *"

Find all files under root that are normal files of type f and whose names begin with a dot.