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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
$ [) i4 C+ f4 u! y5 x1 U5 a# g4 a2 A or: fdisk /dev/sdc (for the third SCSI disk)' x" c6 o @' |( M8 m
or: fdisk /dev/eda (for the first PS/2 ESDI drive)
; \5 {* g2 O7 p+ M# N. d or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
3 y' R1 k& i9 e6 ` ...
1 |! S) Y$ ^3 {7 T5 [( C- df -k
( C& b8 ~! o4 ]' m - df -lh: j. u- M3 L2 {" r& U
- 查看有几块硬盘:fdisk -l0 @# S; _+ P9 o1 f, R& g
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点. l3 N) |/ U% o6 w) X8 n" P) k1 k2 t1 ?
/dev/sda3 3723848 705968 2828716 20% /" i% |1 m5 `; d0 R, v& V, W
/dev/sda1 101089 9274 86596 10% /boot" C" N3 M9 g, z) Q- y% y$ U
none 14520 0 14520 0% /dev/shm
! m9 |+ v8 ]4 e# y, I% q0 n 对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用
8 f. `7 ?/ ` L- v% A2 yDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
1 R; s4 t0 f0 b( T: i, g' j- I$ b Building a new DOS disklabel. Changes will remain in memory only, D% k( F, M, C0 M. k, `
until you decide to write them. After that, of course, the previous v/ O& g6 B) A7 ?" d* e
content won't be recoverable." s$ l8 m$ N/ e. t" k Z
The number of cylinders for this disk is set to 8322.
- @0 ]: R# S+ |1 ?6 m7 k There is nothing wrong with that, but this is larger than 1024,' M H8 _& ]3 v
and could in certain setups cause problems with:
+ T0 |2 X( `% \1 ^! {* ~$ N 1) software that runs at boot time (e.g., old versions of LILO)# o0 M3 \: b. s' m; y% }8 `+ J
2) booting and partitioning software from other OSs
$ V+ c; }$ B+ b/ ?6 d( l. Y (e.g., DOS FDISK, OS/2 FDISK)' W* e" \! V: U- \. ~, ]
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
& N R! x% i2 K! C4 _$ r, }2 G Command (m for help): p
2 D; u0 i, u; P; s9 B% \1 O. c8 N Disk /dev/hda: 4294 MB, 4294967296 bytes
0 r: U7 ?# q$ p q! f: o' D: T1 Z 16 heads, 63 sectors/track, 8322 cylinders! S6 h) N, X; ?' C: N: [
Units = cylinders of 1008 * 512 = 516096 bytes$ ?# I. N+ o0 ?
Device Boot Start End Blocks Id System0 ~+ p# f0 m l) O8 b
Command (m for help): m, U. f1 c6 r4 M5 C3 T/ r) t
Command action
$ q. i# @& s D+ E# M a toggle a bootable flag' q- R0 S+ a/ U k7 c0 {
b edit bsd disklabel- R5 ?5 E8 H- `/ c* l5 t5 d
c toggle the dos compatibility flag
1 g; M* w. I& z; J" d7 z d delete a partition% \$ g: j3 @' P4 ?7 a( b- N: F/ E
l list known partition types; a( k+ \- x3 p( O9 n. R
m print this menu+ r1 Y9 q5 l5 L: a2 Y
n add a new partition0 x" q; p. q4 u& N1 {# p4 h5 T
o create a new empty DOS partition table
3 d$ y+ Z& R8 d+ A* o p print the partition table
; c; y# x4 @+ t- l q quit without saving changes- H6 b7 _) X6 ?0 o% S7 t, k& B% t+ _
s create a new empty Sun disklabel
0 E# j) }* ?7 T1 c) {" o# Z" u t change a partition's system id
3 F4 w8 m, }3 ` ~# t5 ] u change display/entry units4 r$ Q! q5 ?2 j% s& f
v verify the partition table
: V8 p9 `$ X" W3 T T w write table to disk and exit* m8 w% ?' _6 `
x extra functionality (experts only)
% c8 s' N; a* I2 D Command (m for help): n0 U! V8 i ]4 P* b4 V {/ A
Command action
0 J9 |5 W9 X3 |) R3 L) m, h/ `8 Q# L" _ e extended, i `: e- b* G5 D6 Y
p primary partition (1-4)
1 X M2 V- N9 v0 ]1 J p' w3 [. z3 s. P2 E# Y
Partition number (1-4): 11 L* s, [2 |! D
First cylinder (1-8322, default 1):
; x; e) h. P2 k6 I! J Using default value 17 ^, M* L' z1 Z5 I2 ]# c! ]
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
/ g$ Y# j1 g9 C! ~* \ Command (m for help): p
/ W1 T4 S1 m& h D# \+ n4 P Disk /dev/hda: 4294 MB, 4294967296 bytes
5 B. P& T5 _: c7 g" a1 f l 16 heads, 63 sectors/track, 8322 cylinders7 o9 i. F) ^1 ?) `
Units = cylinders of 1008 * 512 = 516096 bytes$ `" O1 I g$ N4 m" Y
Device Boot Start End Blocks Id System+ u, D$ [9 m) P' d
/dev/hda1 1 1000 503968+ 83 Linux
$ K3 D! `7 N5 c7 B8 Q Command (m for help): w; ^6 m8 }, G* e" X
The partition table has been altered!
0 v+ u9 A/ q$ j) x Calling ioctl() to re-read partition table.6 i, x: A1 H( F
Syncing disks.- P) q0 P6 i- D
//格式化新分区
& t2 a2 R/ U8 _2 Nmke2fs 1.32 (09-Nov-2002)
) U2 D6 n4 [5 ]7 E ^ Filesystem label=" H% H# b7 [8 C7 x7 a8 D$ {9 U
OS type: Linux2 w& s5 x) K; \/ a
Block size=1024 (log=0)
' ^8 J6 T2 ~" k Fragment size=1024 (log=0)9 r6 }- }' W: Z$ X4 y+ _
126480 inodes, 503968 blocks
0 J8 f& D, ]. {6 g8 @0 X: f5 ~. P2 W 25198 blocks (5.00%) reserved for the super user- }5 r' V" K I8 L! ^2 l' x; B
First data block=1
$ e: W: N1 U N$ t, Q* _ 62 block groups- f9 z4 U k8 m& R
8192 blocks per group, 8192 fragments per group: O6 L6 ]4 ~1 ?4 r% u- l# m
2040 inodes per group' A. ~* d/ |+ o" L2 H- E7 j3 ~
Superblock backups stored on blocks: - H' T: V* x K# I* f' Z
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
6 T Z4 W0 f6 i: f Writing inode tables: done 6 p$ ]+ { l _2 }4 L, q" p4 N
Creating journal (8192 blocks): done
, F& e" g2 ^8 v+ z$ w+ b/ n: f Writing superblocks and filesystem accounting information: done+ I) b$ I0 v- x1 z
This filesystem will be automatically checked every 30 mounts or B# I) S, Z6 n( z( N# p: M
180 days, whichever comes first. Use tune2fs -c or -i to override.) K- t# s* ? j4 W# B
文件系统 1K-块 已用 可用 已用% 挂载点+ L* E( I; ?7 Q3 Z& \
/dev/sda3 3723848 705992 2828692 20% /6 Y3 M5 g' C V8 Q+ V/ v+ A6 N& \
/dev/sda1 101089 9274 86596 10% /boot
8 E5 D* o# G4 K9 u/ j# { none 14520 0 14520 0% /dev/shm
( B9 i8 n( r6 Z //挂上新分区9 t1 U0 O1 O- R
- mount /dev/hda1 /home
- n+ W5 h! I$ o$ f6 D' f+ W" B7 d - df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点8 Z5 K# ?( _; B6 _ B& r1 J' _+ \
/dev/sda3 3723848 705992 2828692 20% /
+ c" P6 c5 V* W; B" F. ^ /dev/sda1 101089 9274 86596 10% /boot
8 ^) w9 z, i9 u3 @ none 14520 0 14520 0% /dev/shm
, d# }1 A1 E) X6 C /dev/hda1 488006 8239 454569 2% /home
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自动挂载:- l5 J3 r. @$ H) J9 ~
- vi /etc/fstab- K# V. n& B; P1 G% ^7 u2 `" `
- % W7 ^& h. v2 g" O5 N/ ~
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0$ _; i/ |) X% \
- 3 R# ~/ R9 \8 Q8 G% ]8 Q
- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:
! O9 x- s( k% J: y- mount /dev/sdb5 /mnt/ljp1
/ j8 D1 _* R A y7 H1 s
9 ?8 g% }+ p9 C* V- mount /dev/sdb6 /mnt/ljp2
复制代码 . d: s- g7 p; d3 G$ Q
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