How to Change Read/Write permissions for User/Group/Other?

Change Read/Write permissions for User/Group/Other

On computer filesystems, different files and directories have permissions that specify who and what can read, write, modify and access them...

For example:

drwxr-x---    5 test nobody 4096 Jul 20 10:43 public_html/

Here there is no permission to read/write in other for public_html folder...

To give the permission for other just use chmod

chmod o+rx public_html/

drwxr-xr-x    5 test nobody 4096 Jul 20 10:43 public_html/