TOPS-10 Monitor Calls Manual Volume 2 AA-K039D ... - Trailing-Edge

GLOSSARY
Protected location
1. A storage location which cannot be accessed in a certain
context. For example, a write-protected location cannot be
written into.
2. A storage location reserved for special purposes in which
data cannot be stored without undergoing a screening
procedure to establish suitability for storage therein.
Protection address
The maximum relative address that the user can reference.
Protection code
Each file has a protection code that indicates who mayor may not
access the file, in the form , where 0 is an octal digit
representing accessability to the owner of the file, p is the
digit for members of the same project (possessing the same
project number in their PPN), and a is the digit for all other
users. Each octal digit represents the level of access allowed
to the appropriate type of user, from 0, allowing any type of
access, to 7, allowing no access to other users. Note that the
owner can always change the protection code associated with the
file.
PSI System
Pseudo-op
Programmable software interrupt system.
An operation that is not part of the computer's operation
repertoire as realized by hardware; hence, an extension of the
set of machine operations. In MACRO, pseudo-ops are directions
for assembly operations.
Pseudo-terminal
PTP
PTR
PTY
A simulation of a terminal device generated by the software to
accept commands from a data base rather than a physical input
device.
The generic device name used to refer to the paper tape punch.
The generic device name used to refer to the paper tape reader.
The generic device name used to refer to a pseudo-terminal.
Public disk pack
A disk pack belonging to the storage pool and whose storage is
available to all users who have quotas on it.
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