Securing Files and Verifying File Integrity in Oracle Solaris 11.4 Controlling Access to Files Protecting Files Protecting Files With UNIX Permissions Protecting Files With UNIX Permissions The following procedures show how to display and change file permissions. How to Display File Information How to Change the Owner of a File How to Change Group Ownership of a File How to Change File Permissions in Symbolic Mode How to Change File Permissions in Absolute Mode How to Change Special File Permissions in Absolute Mode How to Change File Permissions Across Symbolic Links