Changes the user ID and group ID of the specified file.
Format
#include <unistd.h>
int chown (const char *file_spec, uid_t owner, gid_t group);
1 – Arguments
file_spec
The address of an ASCII filename.
owner
The new user ID of the file.
group
The new group ID of the file.
2 – Return Values
0 Indicates success.
-1 Indicates failure.