df-hTFilesystemTypeSizeUsedAvailUse%Mountedon/dev/sda3ext427G1.9G24G8%/fdisk-lPartition2doesnotendoncylinderboundary./dev/sda339239162830851883Linux/挂载分区的数目3923916负载目录umount/fuser-m-v/fuser-m-v-k/umount/重新分区fdisk/dev/sda警告：不推荐使用DOS兼容模式。强烈建议关闭模式（命令“c”）并将显示单位更改为扇区（命令“u”）。命令（m求助）：d分区号（1-4）：3命令（m求助）：nCommandactioneextendedp主分区(1-4)p分区号(1-4):3Firstcylinder(392-5221,default392):Usingdefaultvalue392Lastcylinders,+cylindersor+size{K,M,G}(392-5221,default5221):Usingdefaultvalue5221Command(mforhelp):wThepartitiontablehasbeenaltered!Callingioctl()tore-readpartitiontable.WARNING:Re-readingthepartitiontablefailedwitherror16:设备或资源忙。内核仍然使用旧表。新吨able将在下次重启或运行partprobe(8)或kpartx(8)后使用同步磁盘。fdisk-lPartition2doesnotendoncylinderboundary./dev/sda3392522138790930+83Linuxrebootresize2fs/dev/sda3
