内容摘要:复制[root@linuxtechi ~]# dd if=/dev/zero of=/swap_file bs=1G count=11+0 records in1+0 records out10737

复制[root@linuxtechi ~]# dd if=/dev/zero of=/swap_file bs=1G count=11+0 records in1+0 records out1073741824 bytes (1.1 GB) copied,上使用
414.898 s,2.6 MB/s[root@linuxtechi ~]#1.2.3.4.5.