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.
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
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
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
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
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)