Linux swapoff command
Linux swapoff command to disable the system swap (swap area).
swapoff swapon actually a symbolic link can be used to shut down the system swap.
grammar
swapoff [设备]
parameter:
- -a The / etc / fstab file all set to swap the device is turned off
- -h help
- -V Version information
Examples
Display partition information:
# sfdisk -l //显示分区信息 Disk /dev/sda: 1305 cylinders, 255 heads, 63 sectors/track Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0 Device Boot Start End #cyls #blocks Id System /dev/sda1 * 0+ 12 13- 104391 83 Linux /dev/sda2 13 1304 1292 10377990 8e Linux LVM /dev/sda3 0 - 0 0 0 Empty /dev/sda4 0 - 0 0 0 Empty Disk /dev/sdb: 652 cylinders, 255 heads, 63 sectors/track sfdisk: ERROR: sector 0 does not have an msdos signature /dev/sdb: unrecognized partition No partitions found
Close swap partition.
# swapoff /dev/sda2 // 关闭交换分区