format命令
2024-07-26 00:29:57
供稿：網友
由于它的破壞性極大，使用時一定要小心!
兩個用途，即格式化硬盤和重新對硬盤分區.
1)格式化硬盤
最好進入單用戶模式
#format
系統會顯示所有的硬盤并讓我們選擇要操作硬盤：
Searching for disks...done
AVAILABLE DISK SELECTIONS:
0. c0t0d0
/pci@1f,4000/scsi@3/sd@0,0
1. c0t1d0
/pci@1f,4000/scsi@3/sd@1,0
2. c0t2d0
/pci@1f,4000/scsi@3/sd@2,0
3. c0t3d0 u03
/pci@1f,4000/scsi@3/sd@3,0
Specify disk (enter its number): 2
selecting c0t2d0
[disk formatted]
Warning: Current Disk has mounted partitions.
FORMAT MENU:
disk - select a disk
type - select (define) a disk type
partition - select (define) a partition table
current - describe the current disk
format - format and analyze the disk
repair - repair a defective sector
label - write label to the disk
analyze - surface analysis
defect - defect list management
backup - search for backup labels
verify - read and display labels
save - save new disk/partition definitions
inquiry - show vendor, PRoduct and revision
volname - set 8-character volume name
! - execute , then return
quit
format> partition
PARTITION MENU:
0 - change `0' partition
1 - change `1' partition
2 - change `2' partition
3 - change `3' partition
4 - change `4' partition
5 - change `5' partition
6 - change `6' partition
7 - change `7' partition
select - select a predefined table
modify - modify a predefined partition table
name - name the current table
print - display the current table
label - write partition map and label to the disk
! - execute , then return
quit
partition> modify
partition>label
partition>quit
format>save
使用命令newfs來為每一個分區創建文件系統:
newfs /dev/rdsk/c?t?d?s?
硬盤包含啟動分區(根分區)，我們需要手動安裝啟動模塊
#reboot cdrom -s (從光盤啟動，并進入單用戶模式)
#mount /dev/dsk/c0t1d0s0 /mnt (將系統根分區掛接到mnt目錄下)
#cp /ufsboot /mnt
#installboot /lib/fs/ufs/bootblk /dev/rdsk/c0t1d0s0 (安裝啟動模塊)
#umount /mnt (卸下掛接)
#reboot (重啟動)
2) 重新分區
format命令也可以對硬盤進行重新分區。重新分區后，受影響分區上的所有文件將被清除
要對該分區表命名，SAVE退出format 命令。分區結束后，我們要用newfs命令為改變的分區創建文件系統
