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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)" `' F0 w- Y3 p4 Q" K" B. b* ^
or: fdisk /dev/sdc (for the third SCSI disk)9 W9 g- S/ d" ^% t, e0 Z5 d0 J/ e* F
or: fdisk /dev/eda (for the first PS/2 ESDI drive)
, J& g# B2 _* r* s! H. N4 W or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
5 F7 n# @9 h7 {) Q2 ]& f5 s2 s ...
2 j1 o0 g$ B8 A, j/ a+ U, k# L4 A; F- df -k6 I5 S! j l& V! J* c; a
- df -lh
/ F0 S v/ t( }! p5 q, }! U3 p - 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; u' O# n" I$ y2 V: n8 { L
/dev/sda3 3723848 705968 2828716 20% /
* Y/ ?4 Q' }5 @; }& l$ U) a /dev/sda1 101089 9274 86596 10% /boot
1 L, M% [, \8 m, [) E none 14520 0 14520 0% /dev/shm
" _4 P8 }3 T' q4 r$ D; t 对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用
0 D* z: a0 g. l7 {Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
( V0 G$ O9 ?4 E7 M7 n2 ^8 V% R Building a new DOS disklabel. Changes will remain in memory only,. Z3 j3 b$ Y# \& Z+ a5 T
until you decide to write them. After that, of course, the previous
1 L3 x+ ?* @5 G) H6 G/ x content won't be recoverable.
& [) r2 W- A1 ?$ @8 o The number of cylinders for this disk is set to 8322.
/ _6 f/ m( e( ~) x/ x2 f g There is nothing wrong with that, but this is larger than 1024,! K8 e- }# h: J) g+ V B% D
and could in certain setups cause problems with:/ M! ]: H A3 g5 a5 X4 A
1) software that runs at boot time (e.g., old versions of LILO)
7 Q6 }! W8 F8 m) J" t9 p, {) ] 2) booting and partitioning software from other OSs/ w3 {* ^7 @$ ?1 V$ b3 p) C/ i
(e.g., DOS FDISK, OS/2 FDISK)$ v: _8 _9 l$ M8 S& k$ e
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite), ^$ P! D' Q$ o) Y0 v$ f% e3 g* n* Y
Command (m for help): p
7 ?2 h0 @+ B+ \5 M/ q Disk /dev/hda: 4294 MB, 4294967296 bytes
* c2 R% }* t$ F7 M# N6 ?* C1 |$ E4 l 16 heads, 63 sectors/track, 8322 cylinders
5 e$ a G7 c+ d* G2 W Units = cylinders of 1008 * 512 = 516096 bytes
$ C% E& o& I* Y4 z! I' E Device Boot Start End Blocks Id System
. j. ?$ @! l: }: X Command (m for help): m1 U: C4 _6 S$ J5 T0 R
Command action' t1 i% O o& T! b
a toggle a bootable flag& V$ n" [! S7 ^; g F8 O6 w
b edit bsd disklabel2 K9 ~' H; v( L6 ?8 ?
c toggle the dos compatibility flag5 o: ~2 G7 K9 \6 U1 b) H
d delete a partition
; I2 l6 @1 y, m; K( Q l list known partition types
( A% R7 i7 a* L2 `; b+ H+ k m print this menu w4 N9 \. P6 ~$ q; M6 Q' k/ S
n add a new partition, n1 C$ u5 J9 E2 l Q
o create a new empty DOS partition table
u" K/ K% U- d8 i p print the partition table( T2 q. b# w/ q/ E7 y7 v
q quit without saving changes
6 e B% F, p* y1 D7 x% \ s create a new empty Sun disklabel/ G2 { i- e" l9 c: N
t change a partition's system id
+ j: N9 D" g& Z/ {/ `( | ^' R u change display/entry units; t+ Z! q: J) Q& T
v verify the partition table
k* V1 L* L: E; n w write table to disk and exit
3 ?3 c8 ]% h5 E. c( q x extra functionality (experts only)
; x V2 F+ |# Q4 t9 s- s7 r Command (m for help): n
4 |, R. _$ ^7 }/ @1 X ] Command action2 ]6 K; O7 I+ T3 V- u$ Z% J
e extended
2 m2 \/ x; [4 e) o6 e# f7 y( c p primary partition (1-4)
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. R; ~ e8 a n$ H/ I4 A* l Partition number (1-4): 11 M3 E+ L$ e9 x5 y* `. ~; ~
First cylinder (1-8322, default 1):
3 H$ N" e& P: d& L( ^ Using default value 1
$ a S4 j" c4 A8 _1 e9 G4 l, S I Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
% K3 y* l( } r) a Command (m for help): p
3 y% a1 ^0 _+ y# q Disk /dev/hda: 4294 MB, 4294967296 bytes
! S$ _7 P7 }' P5 F) D 16 heads, 63 sectors/track, 8322 cylinders5 ^/ M8 e X- R9 x8 a3 k. x
Units = cylinders of 1008 * 512 = 516096 bytes
4 a' V! V& [4 B( }6 A* O9 {9 M0 Y. A Device Boot Start End Blocks Id System/ o5 O6 M8 k) e
/dev/hda1 1 1000 503968+ 83 Linux7 w" u) c) ^1 ]& v2 ~( C: Y
Command (m for help): w
4 m) h) }* d: r: |; \& U9 B The partition table has been altered!
6 r" F& T2 p/ P) K) N Calling ioctl() to re-read partition table.) ~+ M) ?% K0 ?$ n8 y& J7 v+ ^# t2 e [
Syncing disks.
6 M2 O# L9 `$ E //格式化新分区
* Y. E$ s0 { a: ?mke2fs 1.32 (09-Nov-2002)
' S: ?6 J2 V; d0 Z. R" D+ n9 G Filesystem label=
1 T% v1 [9 K/ S% ^ OS type: Linux. H" G" C; v7 X& v/ Z: K
Block size=1024 (log=0)
5 W8 {4 k5 } g3 Y( E+ n! D% U Fragment size=1024 (log=0)
$ |" q6 y+ L; c, b3 z! }9 N$ ~ G 126480 inodes, 503968 blocks
. \9 ~+ [9 O3 K6 K) j 25198 blocks (5.00%) reserved for the super user
1 E9 d( V7 i' R1 j& x y First data block=1& _$ L, Q; @, E0 u& ^% S7 o1 O
62 block groups9 o$ u' x" {' l- q3 q. B
8192 blocks per group, 8192 fragments per group+ ^) ^' Y8 m& ?( M0 r
2040 inodes per group4 t8 k" v9 u* u. o; B
Superblock backups stored on blocks: * ^- n: X' ~0 H- a
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
. V ~( g! J4 t6 s Writing inode tables: done & y9 c6 Z( o7 A% X% N. O
Creating journal (8192 blocks): done
) ^5 n- v; Z& W3 L. _# c- a$ K Writing superblocks and filesystem accounting information: done; a' p3 U8 A- V; `" Z, O
This filesystem will be automatically checked every 30 mounts or' S- a, g) _ ]0 Q0 {. g. Q
180 days, whichever comes first. Use tune2fs -c or -i to override.
! t5 y. k. @- T6 x# v% j6 t/ z文件系统 1K-块 已用 可用 已用% 挂载点
' k) F" |9 G* B, A5 Q /dev/sda3 3723848 705992 2828692 20% /
5 x) ~' E% y; Z /dev/sda1 101089 9274 86596 10% /boot. {5 h G% p5 |4 o( ~5 l' O
none 14520 0 14520 0% /dev/shm; `% {: L" s& V; I/ H( h t
//挂上新分区) ^1 @8 \5 e3 Z
- mount /dev/hda1 /home
- a5 r! X% p+ Q# u0 k( I - df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点% H6 H& d. E" L+ V" o, D3 U
/dev/sda3 3723848 705992 2828692 20% /
+ K# } ~/ g- q1 v4 R /dev/sda1 101089 9274 86596 10% /boot
$ j! r @* ~; G( d none 14520 0 14520 0% /dev/shm$ G; l1 t! V; C: P0 q8 @+ [
/dev/hda1 488006 8239 454569 2% /home8 u3 w5 U) U I& R$ B
1 \" p, P, {, h: `自动挂载:
6 H5 H, j! U8 v, d, W- vi /etc/fstab
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- /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:
4 [) ?% _0 q* j y# j1 W( c9 @- mount /dev/sdb5 /mnt/ljp1
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/ c1 u( ^* S0 W( T* l- mount /dev/sdb6 /mnt/ljp2
复制代码
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