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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
* w+ ~, c" Y. X9 x3 a# h or: fdisk /dev/sdc (for the third SCSI disk)
, E4 g3 T. x7 {. |# E% k: z or: fdisk /dev/eda (for the first PS/2 ESDI drive)
/ `4 \( w9 A2 V or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)) q' ], |' q; S- K+ \4 }
...
8 ^0 B; b) y8 h3 t$ l; c' Q- df -k* A2 l6 n1 P& }, \ a
- df -lh
' R* m: h- O# ^! H - 查看有几块硬盘:fdisk -l5 Q% U0 L+ `9 D" J# w: u0 ]# s
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
" j7 a1 ?& g' h: f N /dev/sda3 3723848 705968 2828716 20% /4 E# J3 X. V0 @! l* x
/dev/sda1 101089 9274 86596 10% /boot
$ J+ G' s8 t0 v7 d none 14520 0 14520 0% /dev/shm
9 Q1 I" K" S' e- `* P5 P s 对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用
! |) e% b1 S8 N) e6 N Y* \' F' TDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
& j7 U" ]0 e# @6 C* d- n Building a new DOS disklabel. Changes will remain in memory only,
5 |# @0 y* J1 p until you decide to write them. After that, of course, the previous
2 {# @9 d, k! z, w& J2 S content won't be recoverable.# Y, e/ W* Z, {2 U
The number of cylinders for this disk is set to 8322.
- h2 B* B I- @- ?% ~( u: w! \ There is nothing wrong with that, but this is larger than 1024,
: G& F' v% n+ D& _ and could in certain setups cause problems with:
" n' X- ?% F9 O3 [4 L! L5 y 1) software that runs at boot time (e.g., old versions of LILO)
q$ A7 o- b/ W 2) booting and partitioning software from other OSs
# P% k+ Q8 _! V' \ (e.g., DOS FDISK, OS/2 FDISK)7 ?4 F+ b2 P8 C! a/ [% n
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
7 I" ]2 K! K$ _2 D Command (m for help): p( J/ r# s- E) w+ c. ^8 {
Disk /dev/hda: 4294 MB, 4294967296 bytes
/ J' S. e4 `6 j1 J2 N' L+ _; C 16 heads, 63 sectors/track, 8322 cylinders
, h, x4 J: l' X( D/ R% e Units = cylinders of 1008 * 512 = 516096 bytes! w9 }: e/ o! K; s
Device Boot Start End Blocks Id System
6 T$ L$ X$ b+ c5 x& @7 c$ C Command (m for help): m
$ T3 B4 b% X3 _% ` Command action w* x& W1 y" ^( E) x- ]7 p
a toggle a bootable flag O) a8 }& I U% |! d' i; m; D4 K {
b edit bsd disklabel8 ?3 z+ j* H, D
c toggle the dos compatibility flag) l u& q' N9 W2 r# J% c
d delete a partition
+ d- T+ r2 J" D! l6 L) H* X/ V' c l list known partition types
" e; t. _- X }/ K2 B5 Y9 z! l m print this menu$ m- M+ L. v+ l6 A
n add a new partition+ o. ^5 y3 E0 Z7 G8 P6 d
o create a new empty DOS partition table$ W6 \0 l* o" D! q T
p print the partition table
. r, J! A* x& H, b4 R q quit without saving changes+ {+ a# B9 v6 L# V- ^) Q! [
s create a new empty Sun disklabel
* n/ A) x# S' p q) K, X- C' z/ A t change a partition's system id
~2 V/ f7 i& A4 h. A' w u change display/entry units1 a% ]8 D' y/ b6 |( b5 F
v verify the partition table8 {/ f) Q; Q5 p8 I( M7 K+ Q: `. g
w write table to disk and exit+ u" x1 k4 q9 k) z. R
x extra functionality (experts only)
- U0 W! ~ y8 Q- A: H7 q Command (m for help): n
1 T$ j3 e$ u) Z Command action7 f0 _5 j, H- b) b( D# A- M
e extended
9 R" W( J1 Z6 | x: w. W/ q p primary partition (1-4)
! V$ R$ q2 c/ X. S0 u p% m( g! p3 X& y. k: Z
Partition number (1-4): 14 A4 m% T) Z" G( }6 Z2 x: u
First cylinder (1-8322, default 1): & S X. q3 ~, d' |9 _$ p1 \
Using default value 1
$ | G9 Q: T5 [, P" z0 }% Q d Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G" h, q& F4 k8 U+ e: l s) C
Command (m for help): p5 i' ?9 F$ h" |: a( J
Disk /dev/hda: 4294 MB, 4294967296 bytes
; G v& K& G& X7 z. D 16 heads, 63 sectors/track, 8322 cylinders( z4 A) |; U1 V0 r- T* v
Units = cylinders of 1008 * 512 = 516096 bytes
5 E$ _! [. { ]/ A# w Device Boot Start End Blocks Id System; o4 @+ `3 t4 ~' R
/dev/hda1 1 1000 503968+ 83 Linux7 L3 O; h& l% O; W) J6 E
Command (m for help): w
( e/ a; U. n' M% Q2 v The partition table has been altered!
0 X/ r& {1 O: A7 H# ?- [8 C Calling ioctl() to re-read partition table.0 `( t( K0 N6 B& v$ A5 K* W
Syncing disks.
2 q: ^2 }% D& A0 f //格式化新分区; }# J$ N1 e( M; z' c9 t4 H
mke2fs 1.32 (09-Nov-2002)2 J( U2 Z+ y' \% e/ v) X* h+ r
Filesystem label=
% x) Z+ Z, Z. ~8 X OS type: Linux
( i; b! K$ l) ?& _4 b7 m( r! N @ Block size=1024 (log=0)/ b( `* O$ L# B( r: [! {
Fragment size=1024 (log=0)5 I+ ^/ l# m4 \& Q& |
126480 inodes, 503968 blocks
! R# D/ G4 }7 z4 T0 g! ^ B& m 25198 blocks (5.00%) reserved for the super user5 v' a4 C0 v0 w4 b" i3 \$ \
First data block=1
3 u5 {/ P: N( R K- E 62 block groups6 S0 \: L5 G% h4 Y
8192 blocks per group, 8192 fragments per group+ k2 e7 o8 a8 G: N
2040 inodes per group; ^3 Y8 B4 m/ U
Superblock backups stored on blocks: " u0 e! r _: E( [6 o
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
6 U4 w2 R( e! l- O% I Writing inode tables: done 0 l+ J+ Y, v$ @* p1 x
Creating journal (8192 blocks): done
) l u" i4 g5 V Writing superblocks and filesystem accounting information: done6 M& m7 \7 u e5 Q5 D0 ^; s
This filesystem will be automatically checked every 30 mounts or
1 j9 t. G) @% A& j& o 180 days, whichever comes first. Use tune2fs -c or -i to override.
" u5 R! A+ o) d' b文件系统 1K-块 已用 可用 已用% 挂载点$ c) `, t" F% V2 {( @5 y
/dev/sda3 3723848 705992 2828692 20% /0 ^. H0 z6 ^/ N5 t9 }/ e: Q) e
/dev/sda1 101089 9274 86596 10% /boot
7 G: x. q4 ?6 z- [( M0 a none 14520 0 14520 0% /dev/shm
) ~9 z+ c9 k8 G) i' l: N* q //挂上新分区
5 i) i1 i1 d3 ~5 Z- mount /dev/hda1 /home+ A' |& W' h) S0 b- Z+ R( W
- df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
' r! I# \' E7 [5 r# l. J5 r$ } /dev/sda3 3723848 705992 2828692 20% /
# L. S& k% W, Y! ]! \ /dev/sda1 101089 9274 86596 10% /boot9 _) D9 {6 E2 U1 Y5 G
none 14520 0 14520 0% /dev/shm
" d: k. L- G9 n( N; ~8 c /dev/hda1 488006 8239 454569 2% /home
2 q5 z. Z: o4 E% n! d
! P6 F4 r& F2 F" K. T" m H5 V自动挂载:
' D2 H' K8 a2 @% C8 T- vi /etc/fstab+ g; d& u9 f( D) k
- 3 {: r( g* B, {/ e7 Z/ |; }
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
# i& e& ?! H* p7 O - 1 @0 V4 o" o" Y3 [$ W/ W4 [ @
- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:
+ v2 j# O5 E% S6 R9 {- mount /dev/sdb5 /mnt/ljp1$ W4 }8 i! Q; Z; u
- 0 _6 u! B! x v) }
- mount /dev/sdb6 /mnt/ljp2
复制代码 4 @: w3 I9 S5 e+ U' {! j
6 [2 J+ D: t( }3 \, w/ Y
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