ls -l /usr/bin/worldclock
ls -l /usr/bin/worldclock
-rwxr-xr-x 1 root root 454420 Feb 29 00:21 /usr/bin/worldclock
-rwxr-xr-x 1 root root 454420 Feb 29 00:21 /usr/bin/worldclock
-rw-r--r-- 1 user root 454420 Feb 28 16:19 worldclock
-rw-r--r-- 1 user root 454420 Feb 28 16:19 worldclock
root chmod +x /usr/bin/worldclock
root chmod +x /usr/bin/worldclock


sudo gainroot /home/user # cd /usr/bin/ /usr/bin # chmod +x worldclock
-rw-r--r-- 1 user root 454420 Feb 28 16:19 worldclock
sudo gainroot rm -rf /usr/bin/worldclock
sudo gainroot cd /usr/bin/ mv /home/user/MyDocs/worldclock . chown root:root worldclock chmod +x worldclock