Linux swapoff命令用于关闭系统交换区(swap area)。
swapoff实际上为swapon的符号连接,可用来关闭系统的交换区。
swapoff [设备]
参数:
显示分区信息:
# 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
关闭交换分区。
# swapoff /dev/sda2 // 关闭交换分区