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how to get only hidden files in UNIX?

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In unix/Linux hidden files typically starts with a period  i.e. namely dot ('.') In order to get hidden files we need to use the " -a " option with -d as well  and with regular expression ".*" . If you want only files starts with dot (".")i.e. we have to use grep command as  grep "^-" as below. Hidden Files and directories: [root@www ~]# ls -lad .* dr-xr-x---. 29 root root  4096 Apr 22 05:38 . dr-xr-xr-x. 24 root root  4096 Apr 22 05:15 .. -rw-------.  1 root root 15327 Apr 18 23:14 .bash_history -rw-r--r--.  1 root root    18 May 20  2009 .bash_logout -rw-r--r--.  1 root root   176 May 20  2009 .bash_profile -rw-r--r--.  1 root root   176 Sep 22  2004 .bashrc drwxr-xr-x.  2 root root  4096 Apr 18 22:04 .cache drwxr-xr-x.  5 root root  4096 Apr 18 22:05 .config -rw-r--r--.  1 root root   100 Sep 22  2004 .cshrc drwx------.  3 root root  4096 Apr 18 22:04 .dbus -rw-------.  1 root root    16 Apr 18 22:04 .esd_aut