Apple Training Series Mac OS X Support Essentials [Electronic resources] نسخه متنی

What are permissions and why are they important?

What kinds of symptoms might you see if an application's permissions are not set properly?

What tools are most useful when troubleshooting permissions issues?

Permissions provide security to keep one user from modifying or viewing another user's files. They are important because Mac OS X was designed to be used by more than one person.

If an application's permissions are not set properly, the application may not launch, it may not be able to save files, it may not be able to open specific types of files, and files created by the application may have problems.

The Verify Disk Permissions and Repair Disk Permissions buttons in Disk Utility's First Aid pane, the Finder Info window, and the Terminal application for file system view of file permissions.