Type III C lass A Program

Examples:
a. LOGIN
The user's file directory for 191 is rEad into core.
b. LOGIN NOPROF
The user's 191 file directory is read into core: however"
the file PROFILE EXEC is not automatically executed.
c. LOGIN 195 A,P
Disk 195 is ,logged in as A-disk" and this is, defined as a
READ-ONLY extension of the user·s P-disk.
d. LOGIN 197
Disk 191 is logged in as the user's P-disk--it replaces the
disk previously defined as the P-disk.
Error Messages:
E(OOOOl) **z (CCU) FILE DIRECTORY UNREADABLE .*
Check that the correct disk is mounted. If so, issue the
FORMAT P command.
EC00002) **z (CCO) NOT ATTACHED **
No Z-disk is attached to the user's virtual machine. Notify
system operator.
E(00003) ** Z '(ceu) NOT -RECOGNIZABLE DEVICE-TYPE ••
The attached ccu device is not a 2311" 2314, or 2303.
contact system operator.
E(00004) ** LOGIN NO UFO FAILED BECAUSE Z (CCU) IS READ-ONLY *.
A LOGIN NO_UFD erases files" therefore it may not be issued
for a READ-ONLY disk.
E(OOOOS) •• Z(CCU) OLD (1961 ERA) 2311 DEVICE ADDRESSES ••
The disk specified is of the pre-1967 type that is
no longer supported by CMS.
E(00001) **CCU ALREADY ACCESSED AS Z-DISR (READ-WRITE).*
•• -RELEASE CCU Z- IF DESIRED , RETRY ••
The disk that you have just logged in as ccu is already
attached to you as a Z-disk. These two descriptions are
incompatible •
• * LOGIN NO OFD FAILED; TRY -FORMATZ ALL- ••
This message may appear as a second line to errors 1,2,,3, or
5. The disk needs to be formatted.
420 LOGIN