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All of the files on a Linux system have permissions that allow or prevent others from viewing, modifying or executing them. The superuser "root" has the ability to access any file on the system. Each file has access restrictions, user restrictions, and an owner/group association.

Every file is secured by the following three layers of permissions, in order of importance:

felhasználó

Applies to the user who is the owner of the file.

csoport

Applies to the group that is associated with the file.

egyéb

Applies to all other users.

Inside each of the three sets of permissions are the actual permissions. The permissions, along with the way they apply differently to files and directories, are outlined below:

olvasás

Files or directory contents that can be viewed only.

írás

Files or directory contents that can be modified or deleted.

végrehajtás

Files that can be run as a program or directories that can be entered.

To view and edit the permissions on files and directories, first open Konqueror in file manager mode by selecting Home Folder from the System Menu located next to the KMenu icon in the bottom left corner of your display. To display the dialog to allow permission editing, right click on a file or directory, then select Properties. The permissions are found under the Permissions tab and allow for the editing of all permission levels, if you are the owner of the file.

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