swap

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swap

(operating system)
To move a program from fast-access memory to a slow-access memory ("swap out"), or vice versa ("swap in"). The term often refers specifically to the use of a hard disk (or a swap file) as virtual memory or "swap space".

When a program is to be executed, possibly as determined by a scheduler, it is swapped into core for processing; when it can no longer continue executing for some reason, or the scheduler decides its time slice has expired, it is swapped out again.

This contrasts with "paging" systems in which only parts of a program's memory is transfered.

SWAP (severe weather avoidance plan)

An approved plan to minimize the effect of severe adverse weather to traffic flows in affected terminal and/or ARTCC (air traffic control center) areas. This plan is put into operation when flight through an airspace is either not possible or is difficult. Such a plan should cause minimum disruption.
References in periodicals archive ?
I've swopped so much stuff like garden furniture and a kids slide and swing for the garden.
The former Alder Hey patient said: "I started with a piece of old rope and swopped it for some scissors.
SANTA has swopped his red suit for a green one to encourage people to fill compost bins instead of stockings over Christmas and New Year.
They swopped their smart suits for T-shirts and cheerfully lined up to be locked into a set of wooden stocks while teams paid into a charity box to hurl wet sponges at them.
A DAD who swopped his Porsche for a motorcycle died in a tragic smash in Warwickshire just 15 minutes after picking up the bike.
OLD slippers will be swopped for new ones to try and reduce the number of older people suffering falls.