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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
* S* V) p1 @) N; I5 C, B or: fdisk /dev/sdc (for the third SCSI disk)5 u6 }1 T! r% E: K! Y
or: fdisk /dev/eda (for the first PS/2 ESDI drive)8 _5 v4 V9 T& J2 q6 c# W5 ^
or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices), \: A; e6 m9 }6 V' R9 J1 I" N c
...3 Q1 a9 v+ F$ j! b) p
- df -k$ `5 ^% Q2 P+ C
- df -lh9 x: N4 \" n9 g% w( L
- 查看有几块硬盘：fdisk -l. I' f% ?& V' ]: j; X) V0 q
4 N* S4 E( f# h7 T" y% b /dev/sda3 3723848 705968 2828716 20% /$ s# A& q, M. L! ?6 m7 H
/dev/sda1 101089 9274 86596 10% /boot
6 m# P" z0 L+ a2 y- e' _ none 14520 0 14520 0% /dev/shm
7 C$ p, H5 q( }6 O- ] 对新硬盘分区，4G硬盘中划出1G作为新分区。给/home使用: b3 g2 z, ]8 V9 P% j3 c
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
6 Z, g% _' n8 g3 q. C" Y' i Building a new DOS disklabel. Changes will remain in memory only,
; B% ^* U' ?9 h# l. C until you decide to write them. After that, of course, the previous
* y# H& _0 ?% s! \7 W/ n content won't be recoverable.$ d! q9 K; V/ R v- o y$ p- M
The number of cylinders for this disk is set to 8322.
) ~7 p$ T8 _" g6 m There is nothing wrong with that, but this is larger than 1024,1 E! |! c1 e& U" U1 o- g" e
and could in certain setups cause problems with:
: x# q8 ]2 c8 U& C( y$ d( J) \% r 1) software that runs at boot time (e.g., old versions of LILO)
& R" Z; a: J+ n$ D7 E* q1 J 2) booting and partitioning software from other OSs
6 g: [: X0 F8 L! \) {( c (e.g., DOS FDISK, OS/2 FDISK)
* ]3 W& W" f) }: m1 d9 w Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
. ?. |0 a' ~6 [6 L2 e! R5 p$ q! h Command (m for help): p
% a! B, l7 D& {* @) ? Disk /dev/hda: 4294 MB, 4294967296 bytes
# |4 e- O( t1 k2 u0 v 16 heads, 63 sectors/track, 8322 cylinders
0 k7 {/ y8 x# r7 \" c$ _ Units = cylinders of 1008 * 512 = 516096 bytes
$ P) T$ W( w N% e2 H' \ w0 R" q5 H Device Boot Start End Blocks Id System4 m2 s0 ~+ W, {: y+ L
Command (m for help): m
, y8 I5 `/ Y7 _ Command action ~2 ?* d& C/ r6 Z! f: w, R
a toggle a bootable flag
5 t4 s) B- a. ^! b' U b edit bsd disklabel
% l( H0 k8 u K5 ?9 C c toggle the dos compatibility flag
T6 s- p @! b; d2 s d delete a partition3 M& N3 A& m. N3 p, j5 C( s% c) Z
l list known partition types6 U7 R% t& v, g" F
m print this menu
0 s+ g& [# f, P+ a# j- v+ f n add a new partition
, I, c. l6 g9 X8 c C o create a new empty DOS partition table
; S7 v2 [: S& k& m4 I7 I4 b. @ p print the partition table
* ], g- W/ P8 K% h7 p q quit without saving changes, Q. A3 x8 b: u) l
s create a new empty Sun disklabel' L9 q( @2 l1 \* [
t change a partition's system id: v. }) @9 F7 t% x+ T
u change display/entry units
2 S; [* D8 x% T. C6 j v verify the partition table5 t9 E" m4 I6 {2 Q" M, I
w write table to disk and exit
: _4 \( P9 g: e3 u. s7 J. L. v x extra functionality (experts only)
( ~0 O5 ?0 ~3 x( m' ^ Z/ L Command (m for help): n
! l7 h# }. N) J1 s Command action
( v' e9 l5 _5 S e extended
$ J: O& ? g& a4 d" S p primary partition (1-4)2 C6 K0 H! k/ r# [
p
2 P2 L0 }1 Z' ]+ l9 z Partition number (1-4): 1
! L, P, m/ {3 |( T0 B+ \- ? First cylinder (1-8322, default 1): / [# P7 U8 A2 g% z+ [1 n: h/ u
Using default value 1
1 n+ ^" c8 T; n3 W: N6 A% ` Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G0 v$ G% B! e! ?
Command (m for help): p
5 N- M w$ |0 _9 J3 } Disk /dev/hda: 4294 MB, 4294967296 bytes
6 ^: D9 z( ]7 Y* e7 f( ]: a1 t 16 heads, 63 sectors/track, 8322 cylinders3 n8 M7 j% Y1 A9 v: }. c7 h* M- T
Units = cylinders of 1008 * 512 = 516096 bytes: p; z @3 \ S8 Y! z+ ^5 t7 x
Device Boot Start End Blocks Id System8 g [0 Q2 k4 b! V2 l' M
/dev/hda1 1 1000 503968+ 83 Linux* S6 x$ p3 I% K3 s
Command (m for help): w
4 Z! b; c# M& E* ~, P9 G The partition table has been altered!; e/ J/ T0 h+ {+ v5 |+ d2 Z
Calling ioctl() to re-read partition table.$ G% N. O4 |2 H8 O
Syncing disks., t C, R; C! ^: l2 r
//格式化新分区
9 z% T# _( a3 D7 u$ k+ X" C6 Bmke2fs 1.32 (09-Nov-2002)
, [ t, Q' {6 P5 g Filesystem label=4 [ {7 @( |7 l- M: Y7 D" b' H, S3 Q
OS type: Linux
. q8 b% s' X2 `- R5 o5 r Block size=1024 (log=0)
& O2 x. p1 G" G( o! O8 U8 |+ k$ Z Fragment size=1024 (log=0)
1 H9 n* [% M% u& M/ j2 Q 126480 inodes, 503968 blocks0 d2 W6 X, t9 M' o1 ` {
25198 blocks (5.00%) reserved for the super user, c7 ~6 K4 m0 i) r& i$ T q
First data block=1
7 G8 k1 ?! z6 [" f5 W# \9 \ 62 block groups
d9 y( L4 f/ @ d" d$ p 8192 blocks per group, 8192 fragments per group
6 X2 `/ l5 X0 v8 M 2040 inodes per group
- [# [7 U7 h7 t) B7 C- m7 s Superblock backups stored on blocks:
& m6 \2 i1 v. } 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409; i; C0 r6 a7 B0 |& ?! ~( _( \
Writing inode tables: done + `& I/ I/ I* [
Creating journal (8192 blocks): done
6 _' q& r( ]( }1 i. f3 V' x Writing superblocks and filesystem accounting information: done8 K, y8 n3 `0 d" a
This filesystem will be automatically checked every 30 mounts or
. G' y' L% k0 o# y 180 days, whichever comes first. Use tune2fs -c or -i to override.6 F$ t, P# _$ ~
文件系统 1K-块 已用 可用 已用% 挂载点
0 V S, A) d# j3 S" t E* W5 E /dev/sda3 3723848 705992 2828692 20% /
# B+ J* R# F* e4 L ] /dev/sda1 101089 9274 86596 10% /boot7 I% j! A% E: j9 t& e
none 14520 0 14520 0% /dev/shm A' ^! E9 |8 K# J$ Q9 r& t
//挂上新分区
+ `2 L5 C0 O+ \% i, @3 w' `% N- mount /dev/hda1 /home
4 t# }# I3 t3 L: W" Q: h - df -k
/dev/sda3 3723848 705992 2828692 20% /
; O3 t& C" i: h3 V. t$ ]9 e /dev/sda1 101089 9274 86596 10% /boot* h& [' `$ r& P
none 14520 0 14520 0% /dev/shm
5 `9 j( _% o; Z0 t5 O/ `( r0 i: R /dev/hda1 488006 8239 454569 2% /home2 A; U1 W# S/ Y& x- f( p" u. Z
' y$ r7 u7 w% }自动挂载：8 u3 q7 i' F% B6 E" J; z1 X) ]
- vi /etc/fstab
4 G$ B7 `) z( [: o) M' j - t0 f0 ^; U# U+ `2 d7 O
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
* ~. y1 e" r$ D& y; t$ Y
0 k* P: E% {4 P, s3 J- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
5 g1 {, x4 a) V% @) V# C( P3 ^- mount /dev/sdb5 /mnt/ljp1
2 `' [: j2 n3 J; G! i
2 q5 P5 ^# f- U/ r4 @# \- mount /dev/sdb6 /mnt/ljp2
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发表于 2014-2-9 19:20:26