The MU heading defines a special model user entry in the USERDATAFILE. The USER data specifications that are entered with an MU heading are referenced as the default data specifications for a user entry that is created with either the MU (Make User) system command or the MAKEUSERCODE intrinsic in Data Comm ALGOL.
| Note: | The fact that PU is specified with the MU heading—that is, the value of the PU bit is 1 in the MU model—only enables the PRIVILEGED option of the MU command. It does not make all MU creations privileged users. For information on the MU command, see the Security SDK. |
The three forms of the MU heading have the following effects:
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+MU indicates that a new model user entry is to be entered, together with the specified data, into the USERDATAFILE.
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MU indicates that an existing model user entry is to be modified with the specified data.
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–MU deletes the model user entry from the USERDATAFILE, which disables the MU command.
