chown
Linux chown command syntax
Function:Use chown to change the owner of the specified file to the specified user or group. The user can be the user name or user ID; the group can be the group name or group ID; the files are separated by spaces. The list of files whose permissions are to be changed supports wildcard characters. .
Permissions:root
Syntax:chown [-cfhvR] [--help] [--version] user[:group] file ...
Linux chown command example
Set the owner of the file file1.txt to the user jessie of the users group:
chown users:jessie file1.txt
Set the owners of all files and subdirectories in the current directory to the users of the users group lamport:
chown -R lamport:users *