swap分区创建与管理
1.查看swap分区
[[email protected] ~]# free -h
total used free shared buffers cached
Mem: 2.0G 1.0G 944M 1.5M 265M 341M
-/+ buffers/cache: 454M 1.5G
Swap: 4.0G 0B 4.0G #swap分区大小
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