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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk); n- g4 w/ n1 D9 [3 q6 N1 N
or: fdisk /dev/sdc (for the third SCSI disk)
5 k# \* o1 R1 Z l% q6 p or: fdisk /dev/eda (for the first PS/2 ESDI drive)
$ @& V# n; S# [! V2 r' k+ `' z+ A or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
R4 P6 R* Q9 u ...
3 S# R* N0 P7 N" h' q" ]- df -k6 j& g ^: w! t9 l$ ?
- df -lh( x: n7 @% ]3 f1 n6 R
- 查看有几块硬盘:fdisk -l
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复制代码 文件系统 1K-块 已用 可用 已用% 挂载点$ M; s3 s! { ~" d) p- O$ B
/dev/sda3 3723848 705968 2828716 20% /
8 D- U. h* Y2 b /dev/sda1 101089 9274 86596 10% /boot! E8 x: T( Z- D& T6 _( V
none 14520 0 14520 0% /dev/shm
# f4 r- \# {5 S9 P$ @4 q- D8 } 对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用
/ ]" }" J; d/ \4 R8 v' ^; ~$ m0 UDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
) C, f- m9 r3 v) G! z% a Building a new DOS disklabel. Changes will remain in memory only,
4 ?9 y7 }- N% I3 e until you decide to write them. After that, of course, the previous& A4 P# d7 N2 ]! b. H
content won't be recoverable.
) t# h6 ~- u% o- s2 A& S The number of cylinders for this disk is set to 8322.
- }7 ~. J" D9 \- [ There is nothing wrong with that, but this is larger than 1024,6 X" f' u) c: H3 a0 E
and could in certain setups cause problems with:' ]$ t d/ W5 X8 G
1) software that runs at boot time (e.g., old versions of LILO)4 x$ l6 W+ q, U
2) booting and partitioning software from other OSs5 [0 t/ g/ B& {0 v/ T+ y
(e.g., DOS FDISK, OS/2 FDISK)
$ m+ N; E! `6 k# u! A/ O Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)$ `: J# h# P0 T4 \; X
Command (m for help): p
* r( P# r4 u: p1 K Disk /dev/hda: 4294 MB, 4294967296 bytes
2 F5 j4 L& q, u2 \/ _8 v 16 heads, 63 sectors/track, 8322 cylinders
* H6 E! x; J( ]2 p Units = cylinders of 1008 * 512 = 516096 bytes
/ _- p# y* N, s Device Boot Start End Blocks Id System
4 H% k) a2 _7 z, e5 K! w9 J \ Command (m for help): m4 J6 d4 w$ M1 |1 G3 x/ }$ J/ `% ~
Command action6 v5 `, `! q* @7 X: c* a
a toggle a bootable flag+ T' d7 @4 v: n% d' `7 n5 R
b edit bsd disklabel
$ ~$ D/ |$ v; d, s/ E c toggle the dos compatibility flag3 Q4 i4 ]: \# z$ G3 v1 e2 b7 i" p
d delete a partition
7 X2 z9 r9 w9 p* p7 { l list known partition types4 M9 k- p2 _# F3 u3 g) @5 m
m print this menu
7 F/ F+ t7 u; h! T+ F% e7 L; r1 w n add a new partition- }! {6 u' }5 v6 h! t+ X
o create a new empty DOS partition table
2 s$ `; [2 U0 U9 L B p print the partition table
5 s6 z# q# p( z1 j q quit without saving changes" q/ M2 ^3 V3 ~
s create a new empty Sun disklabel# j: F; f- C; e: a
t change a partition's system id5 U% S- }9 c- n5 m2 }
u change display/entry units% { {3 z+ ?, ?3 t* v+ x0 F
v verify the partition table$ f$ F- ?; o. t( R
w write table to disk and exit
2 ?3 ?, d2 t$ J7 X8 p6 G5 g x extra functionality (experts only)4 ?) m9 M" Z* \7 R! A, B
Command (m for help): n
2 z8 [5 s9 z u; S Command action( d* x q! `+ b9 {# z& g0 \* n
e extended( x! Y# h0 f' u% c! B" Q, B: h
p primary partition (1-4)
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Partition number (1-4): 1
6 {* F+ G/ V& n, c" y8 U First cylinder (1-8322, default 1): 9 @" j' J7 w" {6 y& P# F/ V! J
Using default value 1
5 L$ F$ f! V/ c$ y3 j. L Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G+ l0 ~" V* y% H9 T0 B* z) j
Command (m for help): p
6 p+ ^$ h: L* y Y, ]2 p, F Disk /dev/hda: 4294 MB, 4294967296 bytes
& O2 f- s; N! R$ D* q% D 16 heads, 63 sectors/track, 8322 cylinders4 d8 D& o$ |' N. h
Units = cylinders of 1008 * 512 = 516096 bytes
9 b1 P% ^* E% A% h. t( \- M Device Boot Start End Blocks Id System+ O0 }! V6 h2 b8 B H: `
/dev/hda1 1 1000 503968+ 83 Linux9 E+ d1 I l# r( }$ E4 _ O$ ?
Command (m for help): w2 X2 q1 u/ E: g1 N: S# N0 d3 f$ n
The partition table has been altered!
$ @, S9 _" p+ S" G8 F; B6 U6 r Calling ioctl() to re-read partition table." q0 w* B4 H7 `+ {$ D1 u
Syncing disks.
/ W/ F- H& t* ~0 ~# w% T //格式化新分区( i0 g8 y" X" q9 n7 _
mke2fs 1.32 (09-Nov-2002)/ b- U& \* V: G. b
Filesystem label=
8 N. @1 }" b- T: y* ^8 q, o% g: j- [ OS type: Linux& G: Y4 h; ^' L& o! p4 }
Block size=1024 (log=0)
% \, @& x+ W, c- W% l* G Fragment size=1024 (log=0)
3 m9 B( L- e: w; ^' \% y. n5 h* t 126480 inodes, 503968 blocks
+ _# Z7 D+ N/ H8 m/ } 25198 blocks (5.00%) reserved for the super user
0 ~" S2 f8 g, W; F First data block=1
0 o t8 C9 Q6 p* q) ?; U6 Y 62 block groups
/ c; Z/ I+ q" g; F 8192 blocks per group, 8192 fragments per group; T' f8 u0 q. j$ [
2040 inodes per group
3 ]! X+ j, t# Q9 P; J$ n Superblock backups stored on blocks: + W% d) D( G5 U* {
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409& h( B( Y( Q6 @, J. r g; r
Writing inode tables: done & M+ `; B% L! r! [9 ?/ n9 h
Creating journal (8192 blocks): done
. K# L$ u9 }8 w+ L: O Writing superblocks and filesystem accounting information: done
3 S* z$ X C m4 m# j* w6 } This filesystem will be automatically checked every 30 mounts or$ v7 m% m8 \9 i
180 days, whichever comes first. Use tune2fs -c or -i to override.3 h) A# z' i! b+ F2 t% C
文件系统 1K-块 已用 可用 已用% 挂载点; I; \6 c) V9 H$ d! \
/dev/sda3 3723848 705992 2828692 20% /
; y& w: Z. O4 P% W9 Q. F /dev/sda1 101089 9274 86596 10% /boot
( ]/ f$ o" v/ E7 g2 Q$ ]( L' B none 14520 0 14520 0% /dev/shm
) q u- _1 C- x0 `/ f //挂上新分区( e: y! v! Q; b- s5 A9 Y
- mount /dev/hda1 /home# v6 f3 w1 [( ^/ K3 L
- df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
3 j; e6 \4 ^! _! K P /dev/sda3 3723848 705992 2828692 20% /
& m0 g) S( K4 O/ f /dev/sda1 101089 9274 86596 10% /boot9 a; j! E5 @3 o, W1 N7 w3 ]" s
none 14520 0 14520 0% /dev/shm* t# P+ @7 M. `
/dev/hda1 488006 8239 454569 2% /home/ y6 Q- }! R- D" Z
: b7 ], ~# T( O _: W8 ^/ a2 Z自动挂载:
* v' W8 I, |5 f- vi /etc/fstab/ g! F. E1 d1 Q% x c- `5 B5 h
- % S$ c: s" Z$ _1 |2 O. b. u" U
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
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0 Q) w7 I# Q2 e! A# k- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:1 R; y3 m# P- T9 A. v$ Q; p$ d
- mount /dev/sdb5 /mnt/ljp1
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- mount /dev/sdb6 /mnt/ljp2
复制代码
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