Linux swap partition Swap

The Linux swap partition is used to ensure memory overload and is an extension of memory at the disk level, and the swap partition must be a separate partition

To create a process:

1. Create a new partition with the Fdisk command and adjust the partition type to the Linux swap type by using the L command and the T command during creation
2.mkswap format the partition as swap type
3. Enable and disable swap partitions using Swapon and swapoff/dev/partition name
SWAPON-A enable all swap partitions that are defined in/etc/fstab

Loopback Devices Loopback, using software to emulate hardware
If the hardware is not enough, you can create a mirror file on a disk with the DD command to simulate the swap partition

Linux swap partition Swap