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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
4 `2 C2 Q( U# L) ~5 a or: fdisk /dev/sdc (for the third SCSI disk)
$ g, ^1 f7 m9 D or: fdisk /dev/eda (for the first PS/2 ESDI drive)
* s7 w( o9 M5 h9 |& p5 z. m or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
+ V p* A: b( u0 j ...' |& v4 X/ l/ z" C9 [- R# o" @
- df -k
! }6 c8 O! O; L+ n, l - df -lh) W+ l4 A* p$ ?3 @7 n. [3 W0 H4 ?; ?
- 查看有几块硬盘:fdisk -l- J% p0 _9 ~( y; O1 |$ p& l# R
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
0 `- n5 H l( C6 n/ r /dev/sda3 3723848 705968 2828716 20% /$ ]. {: Y3 N, G8 g2 ^! J$ @
/dev/sda1 101089 9274 86596 10% /boot
- p6 \' m' I8 d! D- Y* h none 14520 0 14520 0% /dev/shm$ Z6 T# Z5 h/ p1 i7 Q
对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用
3 L+ ?/ {: n" `0 L0 }2 WDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel6 C# z* P8 B' Z
Building a new DOS disklabel. Changes will remain in memory only,9 _7 s( i5 X5 f9 l9 ~! {. F% z- w
until you decide to write them. After that, of course, the previous! \- Z0 v- g( g+ ?+ D
content won't be recoverable.( @. U3 m. i2 u0 n
The number of cylinders for this disk is set to 8322.
" x" U; [5 }0 e/ a+ U( _% B9 Y There is nothing wrong with that, but this is larger than 1024,+ g$ d" k; p; [
and could in certain setups cause problems with:% i* \9 `8 v5 V/ m F3 M! A T
1) software that runs at boot time (e.g., old versions of LILO)
5 A" @5 p9 B& P 2) booting and partitioning software from other OSs0 e1 r9 t7 B3 k% M1 ?$ P
(e.g., DOS FDISK, OS/2 FDISK)5 X2 ~* |; ] L0 E/ V; H
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
8 q. q- k; }: v$ ]. W Command (m for help): p
0 T5 d, L9 D" U! r4 z7 P) V$ W1 ` Disk /dev/hda: 4294 MB, 4294967296 bytes( ?8 A, R ^% l% R! x, G
16 heads, 63 sectors/track, 8322 cylinders5 H! \7 F+ {/ t, P6 c- A. x
Units = cylinders of 1008 * 512 = 516096 bytes
- f f, A) o/ J. ?/ i Device Boot Start End Blocks Id System( B. C/ a, `5 X5 q0 p
Command (m for help): m# N% A% w6 e) W% y7 @" B0 l/ f
Command action- z& f+ G# i. A. u8 a. i: K3 d
a toggle a bootable flag
' S$ g, t% a" b b edit bsd disklabel% ]- G; z) m; z( r# p. I& s- q4 E
c toggle the dos compatibility flag
" I' O& L/ p0 b* N" T# v# P d delete a partition, Z! b5 `5 p/ P- L
l list known partition types8 e- K5 @! @3 l C9 C
m print this menu
% Y1 x; Z/ K5 O' N n add a new partition r; \0 L2 |$ z A1 T4 F7 c
o create a new empty DOS partition table# v$ Q9 w8 T5 f; d3 a
p print the partition table
/ A6 V! [( i2 \3 x. T2 W: I- N q quit without saving changes
: {: r( N8 [: c! c: _# Q5 X5 }- g s create a new empty Sun disklabel
4 o- h2 B& ~" \( A& x z t change a partition's system id
2 t/ x5 w! w9 ^( u# ] u change display/entry units
. J2 L: ^+ V7 e v verify the partition table, h& J2 D: a7 ?: h' [
w write table to disk and exit
9 x4 I" z, r4 [; w2 N/ A x extra functionality (experts only)9 _. s; F+ k; D0 D% r; C9 i2 S
Command (m for help): n
3 I% D2 Q) k3 g6 I; t Command action
! d! W5 D& U& ?% `6 q e extended
. O7 i' Y9 { F- O w p primary partition (1-4)
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Partition number (1-4): 1
6 \/ a3 \7 O9 e r* x First cylinder (1-8322, default 1): 9 i8 [+ p& H9 @. ]
Using default value 1
. n. ?: W( f [. p8 S- A Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G0 D! O- e' Q3 K
Command (m for help): p
- t: X5 x: K0 ~ S6 j6 b Disk /dev/hda: 4294 MB, 4294967296 bytes
6 E7 X. k; s; v- C, g 16 heads, 63 sectors/track, 8322 cylinders
* L0 C8 h7 s% `" \) }0 K7 C1 s Units = cylinders of 1008 * 512 = 516096 bytes% M( @! m. e- }) ` C3 Z3 A t
Device Boot Start End Blocks Id System
9 l3 w8 h! H; w /dev/hda1 1 1000 503968+ 83 Linux% D n! \, {& h
Command (m for help): w
. q( Q, M* p7 b) Q' B Y2 j The partition table has been altered!
, c" E" h& l7 b Calling ioctl() to re-read partition table.' \; H% J( @$ g! t+ }( B
Syncing disks.. Q( f& {% g) A' C" M5 U
//格式化新分区
8 v& @; M$ r! S9 ^4 Nmke2fs 1.32 (09-Nov-2002)2 j% D, {; f+ _, q( i( Q! `
Filesystem label=
) ? f% s. W7 H Y4 U OS type: Linux
; g5 w$ B2 t) n. q4 ?4 b7 P+ | Block size=1024 (log=0)8 H; b; I7 n! z& d0 R
Fragment size=1024 (log=0); H" ~2 ~! f8 n w$ ~( A" u: ]1 |
126480 inodes, 503968 blocks* _& s, ^! e @1 Z% o5 k5 u0 ]3 H9 W
25198 blocks (5.00%) reserved for the super user9 K) S# n; J: c1 l
First data block=1
u, Q, l/ G0 n 62 block groups+ H: ? \( S# [& \( E2 X
8192 blocks per group, 8192 fragments per group# }/ K2 r0 ]8 L& J
2040 inodes per group
! Z0 m$ ~6 C. t- D* _! W Superblock backups stored on blocks: 0 a" J9 m* M% M: l" R
8193, 24577, 40961, 57345, 73729, 204801, 221185, 4014090 @0 Y" |: e2 y+ A$ [+ t0 F
Writing inode tables: done
- ^! m" w7 ?. G3 h5 o( b7 C% A Creating journal (8192 blocks): done# O1 ?1 n9 [) f
Writing superblocks and filesystem accounting information: done, t; |( A+ } b% _
This filesystem will be automatically checked every 30 mounts or
- G1 M, N9 \' f* j, p 180 days, whichever comes first. Use tune2fs -c or -i to override.2 b8 }7 e7 f: I T/ j
文件系统 1K-块 已用 可用 已用% 挂载点
) a! x0 C- {3 R+ S /dev/sda3 3723848 705992 2828692 20% /
* G0 ]7 `4 @' b9 j4 o" ?/ m6 K /dev/sda1 101089 9274 86596 10% /boot
2 E6 }& Y4 r6 ` none 14520 0 14520 0% /dev/shm8 c: Z, N( m- K8 @6 m$ T, E
//挂上新分区
7 C# L( Y+ N5 E$ E* x- mount /dev/hda1 /home/ o7 y6 ^4 d4 d/ F" E
- df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
, G }3 e3 B& n3 e5 K) W' A4 O- d /dev/sda3 3723848 705992 2828692 20% /8 l: R' b0 N$ I+ a& E- B
/dev/sda1 101089 9274 86596 10% /boot& w( i- J( h9 { _% k
none 14520 0 14520 0% /dev/shm" } S& x3 t( O+ X2 d+ j
/dev/hda1 488006 8239 454569 2% /home' T; }; c4 L! u% V) t/ g. h+ A$ ^
9 T+ e4 e6 U, \9 L6 ?自动挂载:
8 v3 d" m7 r) P( }+ }) r4 ?- vi /etc/fstab# }! \9 ^2 L( L) s! H' g a9 g
& I. |" a2 C, G1 Q; ]- l- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
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- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载: ]7 Z8 `9 X) y8 _/ \
- mount /dev/sdb5 /mnt/ljp1
" m+ e4 [ ]; o' h' D' o! A4 D) h
% e6 H+ H. t4 ]$ V$ F% Q* X- mount /dev/sdb6 /mnt/ljp2
复制代码 7 ^7 l7 H) Y* g9 g
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