WhichofthefollowingproceduresWILLNOTincreasecontiguousfreespaceonathefilesystem/data1,locatedon/dev/lv01,thatisheavilyfragmented?()A.Rundefragfs-r/data1;defragfs/data1B.Rundefragfs-r/dev/lv01;defragfs/dev/lv01C.Backupthefilesystembyname,unmountthefilesyst

题目
WhichofthefollowingproceduresWILLNOTincreasecontiguousfreespaceonathefilesystem/data1,locatedon/dev/lv01,thatisheavilyfragmented?()

A.Rundefragfs-r/data1;defragfs/data1

B.Rundefragfs-r/dev/lv01;defragfs/dev/lv01

C.Backupthefilesystembyname,unmountthefilesystem,recreatethefilesystembyrunningmkfs/dev/lv01,andrestoringthedatafromthebackup.

D.Backupthefilesystembyinode,unmountthefilesystem,recreatethefilesystembyrunningmkfs/dev/lv01,andrestoringthedatafromthebackup.


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  • 第1题:

    下面哪一个是逻辑分区?()

    A./dev/sda1

    B./dev/sda2

    C./dev/sda3

    D./dev/sda4

    E./dev/sda5

    F./dev/sda6


    dev/sda5

  • 第2题:

    3、下面哪一个是逻辑分区?()

    A./dev/sda1

    B./dev/sda2

    C./dev/sda3

    D./dev/sda6

    E./dev/sda5

    F./dev/sda4


    dev/sda5

  • 第3题:

    1、将光盘/dev/hdc 卸载的命令是

    A.umount /dev/hdc

    B.unmount /dev/hdc

    C.umount /mnt/cdrom /dev/hdc

    D.unmount /mnt/cdrom /dev/hdc


    C

  • 第4题:

    下面哪一个是逻辑分区?()

    A./dev/sda1

    B./dev/sda2

    C./dev/sda3

    D./dev/sda6

    E./dev/sda5

    F./dev/sda4


    dev/sda5

  • 第5题:

    你已经使用read.csv()命令打开了一个数据文件,并命名为data1,现在你想在R中打开data1,应该使用的命令 是_____。

    A.view(data1)

    B.head(data1)

    C.rm(data1)

    D.library(data1)


    view(data1)