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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)2 q9 ]& V0 E4 d2 J X7 p
or: fdisk /dev/sdc (for the third SCSI disk)$ i' y3 b( }6 W: C% r
or: fdisk /dev/eda (for the first PS/2 ESDI drive)
+ d/ {6 O8 ^# K' ~# W or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)3 O- I; N% b% v: U4 L) [& x
...
( b! M8 h9 O9 ^0 d- df -k
& g$ r% H' c* y+ j1 p7 i" w' m8 Y - df -lh) ?! n1 B" V: b- T! e
- 查看有几块硬盘：fdisk -l& [+ [' j* V) E: U6 v7 A( _
5 m# j- D8 N7 ^0 w6 Q /dev/sda3 3723848 705968 2828716 20% /
" c i0 ^. P2 F# U* w /dev/sda1 101089 9274 86596 10% /boot
/ @/ i: o, {% d5 O5 T none 14520 0 14520 0% /dev/shm x, J5 P D7 \% E) w% K
对新硬盘分区，4G硬盘中划出1G作为新分区。给/home使用3 t& k L9 e5 S5 a4 T
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel# ] H v+ S/ W& O$ }6 B
Building a new DOS disklabel. Changes will remain in memory only,8 [, T; x' w1 V* K
until you decide to write them. After that, of course, the previous- @& X) ^1 k v6 A4 x& o
content won't be recoverable.
# S s3 \+ C" Y5 l& [6 R/ e) I. P The number of cylinders for this disk is set to 8322.
& a0 A# ]* r; ] There is nothing wrong with that, but this is larger than 1024,
" A$ _3 I; U; |( o) F6 i% a. D and could in certain setups cause problems with:
9 u" {6 f- b9 s3 ? 1) software that runs at boot time (e.g., old versions of LILO)7 k) l6 T, P& t- N4 g0 {0 ~) b
2) booting and partitioning software from other OSs
0 O6 w: A/ T# n (e.g., DOS FDISK, OS/2 FDISK)
O" ]3 U* o. p* Z Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
+ d5 V e# S8 P$ d" O Command (m for help): p
% j' a x& j$ n0 n" R, \ Disk /dev/hda: 4294 MB, 4294967296 bytes
+ D) ~2 B! Z" J; k0 N- } 16 heads, 63 sectors/track, 8322 cylinders0 w/ C/ r( ?/ I. o e! E4 _
Units = cylinders of 1008 * 512 = 516096 bytes& b$ T" L+ m5 ?2 F& J
Device Boot Start End Blocks Id System+ o; `6 |4 y% w3 ^+ ~9 m
Command (m for help): m
! i' \; J$ U/ S5 R Command action
2 B9 E7 D# e% \/ H a toggle a bootable flag9 v8 H- g9 D! s1 b
b edit bsd disklabel7 }& ]& b; m$ M* |6 H
c toggle the dos compatibility flag
8 s6 ~+ G9 A' w: J3 W/ y2 P d delete a partition* q7 d8 t0 E- X1 \" P! _
l list known partition types
" L0 z5 n, L2 Z5 u m print this menu. k, n+ {' N+ _$ R7 z5 [4 M' f) S
n add a new partition' I$ o3 `# O/ Z
o create a new empty DOS partition table
# P7 T* v0 h, Y3 E2 p+ d p print the partition table- e: Z( w( c2 j, B6 T* M4 H+ J
q quit without saving changes# o$ Y. r9 W9 Z% g! F7 r
s create a new empty Sun disklabel
3 G u3 }! O. R& N- ?' } t change a partition's system id
- E' R/ K: ~+ r1 A0 A u change display/entry units3 w, }; f) G, j3 t! r
v verify the partition table* g% f. \9 k, c& Q. }- W
w write table to disk and exit
! ?$ I7 M. ~; u7 I5 p x extra functionality (experts only)
" I+ m4 Z5 r' u) i Command (m for help): n+ M2 M z6 S: H5 b' x2 t Y9 c
Command action3 ]5 V7 f" J- e l4 n
e extended4 I* n s/ U4 G) x3 p
p primary partition (1-4)2 P2 e: e1 a1 O7 U# @+ N1 y+ o
p$ W- u7 J9 }* h, ~+ g
Partition number (1-4): 1. L: _0 a5 Z2 n% S" z+ O! t$ E
First cylinder (1-8322, default 1):
' F1 {+ o% s+ H Using default value 18 x3 \: F; N$ O8 m
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
) q) `* m$ h3 _ Z0 `2 z! U2 W E Command (m for help): p% }* N4 M0 m3 k
Disk /dev/hda: 4294 MB, 4294967296 bytes
! w2 j7 |8 [4 p/ P( B2 y1 } 16 heads, 63 sectors/track, 8322 cylinders
3 W- O' O6 N/ M# ]7 o Units = cylinders of 1008 * 512 = 516096 bytes. C: v4 M4 R) S
Device Boot Start End Blocks Id System* i- Q7 n" T3 S( A, L3 P6 @% f
/dev/hda1 1 1000 503968+ 83 Linux& b7 d9 M) B4 o
Command (m for help): w
`4 U! A, M$ q The partition table has been altered!7 B9 I; G7 r) q& O2 D- A
Calling ioctl() to re-read partition table.7 j- k7 h: t) n* a& p( p; P' E
Syncing disks.
8 L. O% ^1 D& Y% A0 n% e //格式化新分区 Z1 H6 l% J& d6 O4 @ B
mke2fs 1.32 (09-Nov-2002)
" G5 u# N# E5 R! R% h" n Filesystem label=9 V2 i% Q. {4 K, L
OS type: Linux
6 q8 G! f6 b- O3 |( F Block size=1024 (log=0)
. F+ ?! y7 Q/ B& t Fragment size=1024 (log=0)/ k8 E% e0 K. @
126480 inodes, 503968 blocks! u1 O; A/ \8 L. |, j
25198 blocks (5.00%) reserved for the super user
1 @* L( a: h" {+ m2 X; n: u9 { First data block=1
7 p3 f2 ~3 O5 N; i 62 block groups
- H. t5 U2 `) j5 s1 C, l" k 8192 blocks per group, 8192 fragments per group9 P3 U& h3 e& T% D% g* y2 x; m
2040 inodes per group4 F+ M) Z! Y3 G0 s1 P6 R( }
Superblock backups stored on blocks:
" `) V8 ?+ L0 K/ Y' h; [ 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409& z M& N; u# i/ D& T, S
Writing inode tables: done ) P$ n. Q3 L2 c! F7 R V% A
Creating journal (8192 blocks): done
9 C& t1 i; V; l& Q7 s! b) j' v Writing superblocks and filesystem accounting information: done
/ L6 U7 E( b& M j This filesystem will be automatically checked every 30 mounts or
4 E9 `7 | d7 Q 180 days, whichever comes first. Use tune2fs -c or -i to override.9 I3 P, f' m. {: s! {: Z7 \! V! u8 d
文件系统 1K-块 已用 可用 已用% 挂载点
. z, T) l" k1 n5 ? L /dev/sda3 3723848 705992 2828692 20% /
6 i- o2 k' j. S' g, g1 t /dev/sda1 101089 9274 86596 10% /boot$ P+ D) T$ H8 J1 a O! G
none 14520 0 14520 0% /dev/shm
5 d; Q% z3 v5 X# Y+ `% O, N" } //挂上新分区4 |2 T; q9 A% X1 i: `( B {
- mount /dev/hda1 /home6 d: y/ n2 z/ |$ o
- df -k
/dev/sda3 3723848 705992 2828692 20% /
# v1 d* E9 l% R /dev/sda1 101089 9274 86596 10% /boot8 I$ s+ u, I9 u1 ^! L2 v) B
none 14520 0 14520 0% /dev/shm
% D, b1 [, e7 x /dev/hda1 488006 8239 454569 2% /home
1 m* b0 @, a7 t. h1 X; W4 |5 r# y2 G1 b: V" m/ D
自动挂载：
! _# w0 e4 Z, \( C D2 H& J& p- vi /etc/fstab' o5 x# w$ M3 E$ R5 X) i7 }8 h
- : s- ^* B% `8 X b
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 08 W3 _! F3 P2 l1 s6 E
$ C) c8 i- l3 {5 D2 E$ U- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
' y& u6 X6 n t8 g- mount /dev/sdb5 /mnt/ljp1
" |, O; ?8 b6 F- B% {) I. [" k - $ P- O+ z3 r6 I
- mount /dev/sdb6 /mnt/ljp2
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发表于 2014-2-9 19:20:26