TACL Reference Manual

Glossary
HP NonStop TACL Reference Manual—429513-018
Glossary-12
virtual memory.
virtual memory. A range of addresses that processes use to reference real storage, where
real storage consists of physical memory and disk storage.
volume. A disk drive or a pair of disk drives that forms a mirrored disk.
waited I/O. An operation with an I/O device where the process waits until the operation
finishes. Contrast with nowait I/O.
waiting process. A process that cannot execute until an event occurs, a resource
becomes available, or an interval of time passes.
wall-clock time. The local time of day, including any adjustment for daylight-saving time.
working set. A collection of DEFINE attributes that have been assigned values.
$CMON. See command-interpreter monitor ($CMON).
$RECEIVE. A special file name through which a process receives messages from other
processes.