quota操作过程

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1、1、先用df（diskfree）命令查看磁盘空间[root@teacher~]#df文件系统1K-块已用可用已用%挂载点/dev/hda35080828428758853098089%//dev/hda520307366754818583684%/tmp/dev/hda2508082814169246768763%/home/dev/hda1101086183967747120%/boottmpfs22182002218200%/dev/shmnone2217321042216281%/var/lib/xenstored/dev

2、/hdc293695429369540100%/media/RHEL_5.4i386DVD2、创建新的分区，大小为500M，文件系统为/dev/hda7[root@teacher~]#fdisk/dev/hdaThenumberofcylindersforthisdiskissetto2610.Thereisnothingwrongwiththat,butthisislargerthan1024,andcouldincertainsetupscauseproblemswith:1)softwarethatrunsatbootti

3、me(e.g.,oldversionsofLILO)2)bootingandpartitioningsoftwarefromotherOSs(e.g.,DOSFDISK,OS/2FDISK)Command(mforhelp):m（注：查看可用命令）Commandactionatoggleabootableflagbeditbsddisklabelctogglethedoscompatibilityflagddeleteapartitionllistknownpartitiontypesmprintthismenunaddanew

4、partitionocreateanewemptyDOSpartitiontablepprintthepartitiontableqquitwithoutsavingchangesscreateanewemptySundisklabeltchangeapartition'ssystemiduchangedisplay/entryunitsvverifythepartitiontablewwritetabletodiskandexitxextrafunctionality(expertsonly)Command(mforhelp)

5、:n（注：新建分区）Firstcylinder(1712-2610,default1712):1712（注：初始扇区）Lastcylinderor+sizeor+sizeMor+sizeK(1712-2610,default2610):+500M（注：扇区大小）Command(mforhelp):p（注：显示硬盘分区表）Disk/dev/hda:21.4GB,21474836480bytes255heads,63sectors/track,2610cylindersUnits=cylindersof16065*512=82252

6、80bytesDeviceBootStartEndBlocksIdSystem/dev/hda1*11310439183Linux/dev/hda2146665245222+83Linux/dev/hda366713195245222+83Linux/dev/hda41320261010369957+5Extended/dev/hda513201580209645183Linux/dev/hda615811711105222682Linuxswap/Solaris/dev/hda717121773497983+83Linux（注

7、：新增了扇区/dev/hda7）Command(mforhelp):w（注：保存分区结果）Thepartitiontablehasbeenaltered!Callingioctl()tore-readpartitiontable.WARNING:Re-readingthepartitiontablefailedwitherror16:设备或资源忙.Thekernelstillusestheoldtable.Thenewtablewillbeusedatthenextreboot.Syncingdisks.[root@teache

8、r~]#3、格式化分区，以便用户使用[root@teacher~]#mkfs-text3/dev/hda7（注：格式化分区）mke2fs1.39(29-May-2006)Filesystemlabel=OStype:LinuxBlocksize=1024(log