chown : change file owner and group
[SYNOPSIS] chown OPTION OWNER FILE/DIRECTORY
OPTION
# chown user01 /home/test.txt
Change owner of [/home/test.txt] to [user01]
# chown user01:group01 /home/test.sh
Change owner:group of [/home/test.sh] to [user01:group01]
-R
operate on files and directories recursively
-v
output a diagnostic for every file processed