System Management Tasks

Create a directory under root

MPE/iX HFS allows you to create directories and files directly under the root directory. These directories and files are at the same "file level" as MPE accounts.

   :NEWDIR /dir10

   :LISTFILE /dir10





   PATH=/



   dir10/

This example creates, then lists, the directory dir10 created under the root directory.

Security and directories

The ability to move to, change, and work in directories is controlled by access control definitions (ACDs). ACDs pair up specific access permissions and users. The following access permissions apply to directories:

As a system manager, you can access all directories. Other users are able to access them only if they have the proper permissions.

Check directory permissions

Use LISTFILE with the ACD option to check directory permissions.

For example:

   :listfile /dir10,acd



    PATH=/



   -------------------ACD ENTRIES---------------------FILENAME



   @.@                        : RACD                  dir10/

In the example, ACDs are listed for the directory called dir10. All users only have read ACD access to dir10. Only the creator and the system manager can access the contents of the directory or traverse the directory.

Change directory permissions

To make directories accessible to your users, you will need to change the ACDs on the new directories. You do this using the ALTSEC command.

   :ALTSEC /dir10;REPACD=(CD,DD,RD,TD,RACD : @.@)

This command gives all users in all accounts unlimited access to the directory dir10.

Move to a directory under root

Users with appropriate access (in this case, you only need TD access) can move to a directory that is directly below root.

   :chdir /dir10

   /dir10:

This command moves you into directory dir10 and makes it your CWD.

Report disk usage

Use the DISKUSE command to report disk usage information about directories:

   :diskuse /YOURACCT/YOURGRP

             SECTORS

         TREE       LEVEL   DIRECTORY

                    BELOW

           96          64   /YOURACCT/YOURGRP/

The REPORT command provides information about files in groups only.

Compare the output by issuing the comparable REPORT command:

   /dir10:REPORT YOURGRP.YOURACCT

   ACCOUNT   FILESPACE-SECTORS   CPU-SECONDS   CONNECT-MINUTES

      /GROUP   COUNT    LIMIT   COUNT  LIMIT    COUNT   LIMIT

   YOURACCT       64       **      18     **       26      **

      /YOURGRP    64       **       0     **        0      **

Back up all files and directories

You can still use the following command to store all of the files and directories on the system:

   :STORE @.@.@

You can also use:

   :STORE /