This section contains a brief introduction to some commands of the Perkin
Elmer MTM Operating System. For full details, the reader is referred to the
PE OS/32 documentation on the bay in room D102 (to be reached via room D101)
on the first floor of the INT building. A listing of some useful commands
is given in Table 
. Here follow some additional comments, and
a short desciption of the use of Perkin Elmer Fortran.
0pt Miscellaneous Notes
Before you can do anything at all, you have to sign on to the (presumably) Perkin Elmer 3210 with:
SI(GNON) INITIALS,ACCOUNT,PASSWORD e.g. SI ABZ,4,4
where the initials are your up to three initials, and the password on observer accounts is at present the same as the account number.
At the end of your trials and tribulations, sign off with:
SO
The full description of a file is:
DISK:FILENAME.EXTENSION/ACCOUNT e.g. SYS:PHOCDP.001/8
The filename consists of up to 8 characters. The disk volume name `SYS:' is unique to the System Disk from which the operating system executes system-type `CCS' files and tasks, such as FORT, LINK and EDIT. Therefore, it is not a good idea to rename the System Volume, unless you know precisely what you are doing.
Below are given some examples with the DISPLAY command; notice the use of the wild-card symbols `-' and `*' (not the MTM prompt, of course):
To rename a file (can only be done on the same disk) do:
RENAME FILE.EXT/ACC,NEWFILE.NEWEXT/NEWACC
Copy, however, also works from disk to disk:
COPY FILEDESCRIPTOR,NEWFILEDESCRIPTOR
When copying on the same disk, leave out the volume specification. Take care to delete unwanted copies of files, to maximize available disk space.
Table: Summary of Operating System Commands