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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk) E6 b3 v" c# M. n* z G
or: fdisk /dev/sdc (for the third SCSI disk)
7 A' }0 G) x+ G& L! V, F or: fdisk /dev/eda (for the first PS/2 ESDI drive)1 R% j2 E& @" }- Q7 t
or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
" S6 P+ P6 O2 N7 y5 _ ...
x2 J+ E, [% g9 |0 g p5 t- df -k
: @5 Y. k( f6 u3 t3 |1 e/ y/ ~8 c - df -lh8 F1 u. k6 k7 X
- 查看有几块硬盘:fdisk -l; y& K" O* K/ b9 r9 B. V
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点; J" r. [0 i( l
/dev/sda3 3723848 705968 2828716 20% /3 {& O4 u- I- z$ o" r
/dev/sda1 101089 9274 86596 10% /boot: L) I7 n2 j( z* A
none 14520 0 14520 0% /dev/shm$ N0 n8 ^1 O8 _& X
对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用# N1 W% j4 a6 P W. J* [
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel, n# D5 r) l, ]" Q+ F
Building a new DOS disklabel. Changes will remain in memory only,6 t- Z! C' M0 R. a- I. r
until you decide to write them. After that, of course, the previous
i: R. C+ \+ A( b' [. `8 _ content won't be recoverable.4 H; ?3 f/ Z& f$ |; v
The number of cylinders for this disk is set to 8322.' Q0 Q- U4 }. y
There is nothing wrong with that, but this is larger than 1024,' \+ l6 O7 \# ~& S- o" }& _
and could in certain setups cause problems with:, h n k1 R/ J3 Y- x* [3 u3 H
1) software that runs at boot time (e.g., old versions of LILO)
7 U# A5 j! I7 C3 P, B W c! T% R 2) booting and partitioning software from other OSs$ b: d- [5 A2 G' ^
(e.g., DOS FDISK, OS/2 FDISK)
! j7 ?$ l; E. h- k& k7 L Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)1 e( h7 Y: o/ {$ L7 x, `
Command (m for help): p- f. O3 s% V' I+ [) T! j
Disk /dev/hda: 4294 MB, 4294967296 bytes
. U( q" K$ K0 k9 @ 16 heads, 63 sectors/track, 8322 cylinders' [3 O x9 s6 ~ F1 u" G
Units = cylinders of 1008 * 512 = 516096 bytes
! D/ g6 x( _2 r& K( e- q: d! d Device Boot Start End Blocks Id System
$ {. ?6 g: s3 R$ q: }- o" ~ Command (m for help): m+ P% T6 X) U2 g3 q
Command action( T& h2 V3 M7 W& }3 e5 ?) T
a toggle a bootable flag+ Q. t" M+ D8 P9 i- \+ v& l# _
b edit bsd disklabel6 d3 c4 P' N# D% q
c toggle the dos compatibility flag8 m6 l+ N4 f; ~( z2 s
d delete a partition! T# p6 r P( p, W9 D5 y! i5 x
l list known partition types
& t% x9 @* h$ X0 P( Z3 y4 Q5 @8 A m print this menu
% e( \3 w) W, d7 I+ [ n add a new partition
8 O' i7 j8 @" C) U% r; M- G% h o create a new empty DOS partition table2 S" o$ b) j6 w( ?" y$ e
p print the partition table
. l/ x1 P- E* y, z% D q quit without saving changes
( P; d2 C9 d+ U4 y7 _ s create a new empty Sun disklabel2 V* i2 E+ Y& G4 H" a, u+ \
t change a partition's system id
' s" ]7 L0 s, B# s# X u change display/entry units% L0 z+ @1 z3 E* ^) X
v verify the partition table
8 A) [3 c; M7 W9 m w write table to disk and exit; ]0 [9 v/ w7 \# K2 s$ f( {5 i( b& ?
x extra functionality (experts only)/ ]6 f" R' d) t
Command (m for help): n
6 L/ Y3 M3 _' _( f Command action! Y- M! l# w" M6 k0 e5 C1 g5 M
e extended
# R& H \8 Y, z# i0 v, _" B p primary partition (1-4)
$ o( I4 Z2 V" c6 F" Z8 h p( ] l, h( k, V0 J; W
Partition number (1-4): 17 N7 L. a; A8 W" ~
First cylinder (1-8322, default 1):
$ a/ `! y/ |- r" m Using default value 1: x( c+ z$ w% H y# B' a7 Y* C- j
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
/ o! |" o; E9 X7 _$ U( Z$ h Command (m for help): p
% H4 ~( m% l" K! v Disk /dev/hda: 4294 MB, 4294967296 bytes7 l( l0 L, f+ K. f( q/ h/ |. ]& G! z: R
16 heads, 63 sectors/track, 8322 cylinders
( {) J: v: b% }+ @; }7 b Units = cylinders of 1008 * 512 = 516096 bytes" X5 s9 n# d# }3 V* o' t
Device Boot Start End Blocks Id System$ ]6 U$ x: @' s1 {$ A/ C! q7 P8 h8 a
/dev/hda1 1 1000 503968+ 83 Linux$ {5 I) w4 ~: \% n0 {+ f
Command (m for help): w
" {) C* k, f6 B$ A; D- F The partition table has been altered!
0 s6 S1 u) W3 N: t# p; M Calling ioctl() to re-read partition table.
6 S0 B* F( y7 g; y. C3 ], [+ l Syncing disks.
0 U: L' Z" P# P }3 t+ S //格式化新分区+ _ L, d+ M) T, H% P+ n. `3 O
mke2fs 1.32 (09-Nov-2002)
4 X/ V$ X" b. {9 y( A) a Filesystem label=
5 Z# J9 ]) L p! L OS type: Linux3 t9 a8 Y; Z; h$ l* @
Block size=1024 (log=0)
x6 F' W' Z; j0 p* ]) W1 y Fragment size=1024 (log=0)0 }# q) E! f6 f, @
126480 inodes, 503968 blocks
. c9 u& q" A9 D; y3 Z4 ~ 25198 blocks (5.00%) reserved for the super user
+ |* z" m, Q4 M0 y! x, ^ First data block=16 Q! }3 h y, k
62 block groups
/ X3 D5 j2 ]/ C) O2 j$ C5 h 8192 blocks per group, 8192 fragments per group
; \6 ?/ U7 [" u 2040 inodes per group
g2 A7 `, r( Z3 {# W' k Superblock backups stored on blocks:
+ a" h: y1 @* S y 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409% Z" u" C/ Q0 f9 H3 u
Writing inode tables: done
2 F: V4 m2 I9 r! I* ]8 @% E6 g Creating journal (8192 blocks): done F( |' H: b! o7 n
Writing superblocks and filesystem accounting information: done, Y3 U9 R L5 Z6 }( c* w5 D
This filesystem will be automatically checked every 30 mounts or6 S0 a: h; z# A) D
180 days, whichever comes first. Use tune2fs -c or -i to override.9 c+ M* ?$ L/ @6 k+ r/ a! ^5 S" d
文件系统 1K-块 已用 可用 已用% 挂载点
! z! t$ O; i8 s/ k$ M8 S /dev/sda3 3723848 705992 2828692 20% /
6 S+ }' [2 N4 G1 f /dev/sda1 101089 9274 86596 10% /boot3 B, m& @. U- _8 ^* _# F: F4 I
none 14520 0 14520 0% /dev/shm
* l) G; Q7 _3 P //挂上新分区
5 d& E' J* V/ w' e- mount /dev/hda1 /home2 ~* l2 k8 A2 g% o* U6 G
- df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点1 O$ X T( R0 {9 T* v. G
/dev/sda3 3723848 705992 2828692 20% /
) X- k7 q$ @6 s' {0 e1 j; s /dev/sda1 101089 9274 86596 10% /boot j; I6 v$ p$ [, O* D% e9 U
none 14520 0 14520 0% /dev/shm: D9 q: O" e5 n/ z
/dev/hda1 488006 8239 454569 2% /home
6 P7 G- ~. l8 D8 L( j- `; {: `# b8 J3 C9 x
自动挂载:" b2 U& Z5 U. ]3 l& G& o5 {2 }7 u
- vi /etc/fstab# H0 y: j7 `; N+ R( t/ R
8 g( P4 t# e5 c3 S3 {- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
, N- b8 \3 V, N* i7 ]& K - ! K$ S- |1 l$ E- a& g7 Y3 b9 r
- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:
7 |; O! Z9 j9 k7 _( x- mount /dev/sdb5 /mnt/ljp1
! \3 a9 D& H" p I" ?! h - & q0 F; ?$ B7 N0 w; v
- mount /dev/sdb6 /mnt/ljp2
复制代码
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