Mac OS X

Mac OS X, like Linux, supports both swap partitions and the use of swap files, but the default and recommended configuration is to use multiple swap files.^[11]

Solaris

Solaris allows swapping to raw disk slices as well as files. The traditional method is to use slice 1 (ie. the second slice) on the OS disk to house swap. Swap setup is managed by the system boot process if there are entries in the "vfstab" file, but can also be managed manually through the use of the "swap" command. While it is possible to remove, at runtime, all swap from a lightly loaded system, Sun does not recommend it. Recent additions to the ZFS file system allow creation of ZFS Devices that can be used as swap partitions. Swapping to normal files on ZFS file systems is not supported.

AmigaOS 4

AmigaOS 4.0 "Final update" revision introduced a new system for allocating RAM and defragmenting it on the fly, during system inactivities. It is based on slab allocation method and paging memory that allows swapping.^{[12] [13]} Paging was then tested by developers and finally implemented in AmigaOS 4.1. Swap partition enters in action when, even after a RAM defragmentation, the system still demands more memory. Swap memory could be activated and deactivated any moment allowing the user to choose to use only physical RAM.