Requirement: Linux System Details: Create two groups and users, assign password Switch to one of newly created user, create a file, and put some content. Check what permission is this file Login to another user (not in same group), try to open file, modify and save Change the permission to allow the another user from another group have write permission as well Login to another user (been grand the permission from above step), open the file, update and save. Creating group Creating user Assign password to user File permission Jo need help specially with these last 2 for the inputs) Changing file permission Access file from another user