How do I change file permissions?

How do I change permissions for a file to be readable for everyone?

chmod o-rwx foldername To change directory permissions for everyone, use “u” for users, “g” for group, “o” for others, and “ugo” or “a” (for all). chmod ugo+rwx foldername to give read, write, and execute to everyone. chmod a=r foldername to give only read permission for everyone.

How do I change file permissions to administrator?

Right-click the file and select Properties from the context menu. Go to the Security tab. Click Edit under the Groups or user names. In the next window, you can select each listed user or group to view and change permissions.

Why can't I change file permissions?

Cannot change File or Folder Permission If the Security tab is not visible: If you can see only the Sharing tab and NOT the Security tab, check the Properties for that drive. The Security tab is visible only on NTFS drives and will NOT be visible if you are using the FAT file system.

How do you change permissions on a Mac?

Change permissions for files, folders, or disks on Mac1On your Mac, select a disk, folder, or file, then choose File > Get Info.2If the information in Sharing & Permissions isn't visible, click the arrow . ... 3Click a user or group in the Name column, then choose a privilege setting from the pop-up menu.