account and user passw ords, if they exist. When y ou enter a password in response to this prompt, it is not ec hoed on the screen as y ou type it.

As a short cut, y ou can enter the group passw ord in the :HELLO command instead of w aiting for MPE/iX to prompt y ou for it. To do this, type the group passw ord after the group name, separated by a slash ( /). When you enter a password in this way, as part of the log on line, it is echoed on the screen as y ou type it and may reduce system securit y because it is visible. For example, if the PROJ1 group shown above has a group passw ord of MINE you can either wait for the passw ord prompt or log on b y entering the password as part of y our logon:

:HELLO JOHN.PROG,PROJ1/MINE

The following ￿gure shows an example of sev eral groups and sev eral users on an accoun t.

Figure 1-8. Groups Example

File Specifications

You must use a standard ￿le reference format to refer to a ￿le. If y ou are logged into the account and group where the ￿le resides, only the ￿le name and loc kword (if it has one) are required. A lockword is an optional, additional securit y provision that the MPE/iX File System provides for individual ￿les. ￿le lev el. If a ￿le has a loc kword, you must specify the ￿le name and lockword to refer to the ￿le, using the follo wing format:

￿lename/lockword

where ￿lename is a valid ￿le name (refer to Chapter 7) and lockword is the lockword associated with the ￿le. F or example, you can refer to a ￿le named STATUS with the lockword MY by specifying:

STATUS/MY

1-26 OVERVIEW