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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)7 w! l$ x3 p T- ` J6 N. F* N
or: fdisk /dev/sdc (for the third SCSI disk)
" V) c# j* |0 p. X' G or: fdisk /dev/eda (for the first PS/2 ESDI drive)
- X* u# k3 L2 ]) O- l- l5 Y8 s8 Y! a or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)! D! w. [6 u+ t: c6 v1 ^
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- df -k* Q: S4 q4 h( `5 s d& B0 M
- df -lh2 M7 F }4 @* H1 ?1 V: `+ z
- 查看有几块硬盘:fdisk -l
: {3 n$ b0 s& z9 s$ q
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点2 W- W( P4 k& E8 ?; S+ x( T
/dev/sda3 3723848 705968 2828716 20% /" v& t! O! X6 p0 g3 V( b$ u
/dev/sda1 101089 9274 86596 10% /boot
' ^* a* A" r$ C none 14520 0 14520 0% /dev/shm
a: a3 |3 ~! S( [, I, l) ~ Q$ W 对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用
! e- z: H/ x) C1 bDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel# l {0 N9 O! Q2 D( m4 w% z' t
Building a new DOS disklabel. Changes will remain in memory only,
6 K6 x. ^" t( y2 u! p until you decide to write them. After that, of course, the previous
3 O* m' l9 p5 }! |! g9 u content won't be recoverable.
S6 W$ @% G8 L; m The number of cylinders for this disk is set to 8322.
8 f! T+ z9 u0 {* O2 I% G There is nothing wrong with that, but this is larger than 1024,
% z# h: n8 I1 l2 r, W/ _9 [ and could in certain setups cause problems with:
* G! ~; D7 x* {; ~5 g 1) software that runs at boot time (e.g., old versions of LILO)
! ~. G! F0 J* N# p7 i% o0 Z+ f 2) booting and partitioning software from other OSs) v8 N$ k& ?% `% i; E3 i9 e
(e.g., DOS FDISK, OS/2 FDISK)/ O1 w: r3 b$ m
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)8 o# m7 J( m U. U" z
Command (m for help): p/ t9 r& e9 V. l H2 q
Disk /dev/hda: 4294 MB, 4294967296 bytes. D( `. q- T2 e1 U c4 l2 Y
16 heads, 63 sectors/track, 8322 cylinders
3 E. L1 ^6 l& C6 k% l Units = cylinders of 1008 * 512 = 516096 bytes
7 ^4 u3 u* [- B/ e& ?# E Device Boot Start End Blocks Id System
3 ?( J) J6 a7 i1 T2 |0 v Command (m for help): m
( [/ C1 D5 O/ T7 I6 I2 i Command action
( i# d8 Z, Q" G$ M0 j- A a toggle a bootable flag
8 @/ z" r& ^1 X; o3 E b edit bsd disklabel
. v- f3 J0 j' Y/ H' @( p% z/ X1 Z c toggle the dos compatibility flag
+ v1 K2 |" _# Y d delete a partition
" `0 [" H- k4 {, A4 B* |' B5 m6 n( @ l list known partition types
! m* U4 |; A3 k" Z m print this menu
1 s5 N& {5 ?( [$ n& V n add a new partition+ d7 m' G! f8 E& n) e" y. k% |
o create a new empty DOS partition table
$ w% A" e2 M" Y0 [" U5 N p print the partition table
N* T6 ] k' `5 y9 B4 `5 o, r q quit without saving changes
# w8 U. s; v3 } s create a new empty Sun disklabel
$ z( M+ ]! i7 q t change a partition's system id! p( h* v$ c Z0 H' l3 e
u change display/entry units
' e" H, _2 A1 [# L6 i( u v verify the partition table; T0 D$ |, f1 F7 C) {+ m- b
w write table to disk and exit$ P! n; g4 y0 c4 @6 f/ Q) H* p
x extra functionality (experts only)
! b( W: `1 v8 _# P4 h8 J Command (m for help): n
7 w, U$ G* ?5 y+ m8 f3 u Command action
$ Z L7 ?1 M$ V0 s e extended N! S0 Z g* ]- O
p primary partition (1-4)
0 m0 X* y1 B1 K4 y p
" W0 Y t! l) V& G7 z8 R$ z Partition number (1-4): 1
: c+ m; G+ I" v/ s& h% l First cylinder (1-8322, default 1):
7 V3 K7 m" k+ l5 F Using default value 1
. k0 x5 E/ Q: v! R; a Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G3 ~4 `. }+ b* ]( d- q) k2 i: L
Command (m for help): p# N4 _! N, D4 m4 J- }/ c* h/ l
Disk /dev/hda: 4294 MB, 4294967296 bytes3 X4 J0 u3 x& e _4 ~4 T
16 heads, 63 sectors/track, 8322 cylinders; s: [0 [, F" |2 y3 }
Units = cylinders of 1008 * 512 = 516096 bytes) S3 A8 A$ ^1 a' {3 @! l% l
Device Boot Start End Blocks Id System
# H" |' C2 E' B1 w3 J7 z, E /dev/hda1 1 1000 503968+ 83 Linux; A' r- y7 a- Z6 O0 b8 V
Command (m for help): w
8 R6 {7 d( T) m' p0 X% m3 m The partition table has been altered!
$ v }1 T) r' J3 J! i( J. Q( q Calling ioctl() to re-read partition table.3 I2 C3 e; k% _. l, [7 x9 M( K1 Q
Syncing disks.- Z% n+ S/ [$ A; v ?/ X+ \* M' ~3 \
//格式化新分区
2 d+ v! p, R5 x$ R8 e/ o3 X1 xmke2fs 1.32 (09-Nov-2002)
: K# ?! _/ z# \, e% ^; Y Filesystem label=3 j p8 b: g, v2 U0 F" C% N
OS type: Linux: U, o2 i& p& Q) }! D+ _7 W/ `8 }
Block size=1024 (log=0)+ Z9 B9 ]4 b1 r7 m
Fragment size=1024 (log=0)
5 A% J. Q2 V- R% ^& y 126480 inodes, 503968 blocks
) e% A* O6 P! v/ } 25198 blocks (5.00%) reserved for the super user
( e% N5 q3 C( z# {" N0 B% h8 \2 h7 ? First data block=14 V9 d3 _3 _2 n
62 block groups
( [! O4 c2 y K0 [ 8192 blocks per group, 8192 fragments per group% b: K+ _* _8 |+ I
2040 inodes per group
% [/ r. I( x- Y! P3 ~ Superblock backups stored on blocks: 2 u7 X4 }) H0 l
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409) D, ^: }: K' y$ j9 A
Writing inode tables: done # |: G! F- |! c' Y) m z" @
Creating journal (8192 blocks): done
) y8 b( P* B4 I5 {4 L) L% r Writing superblocks and filesystem accounting information: done
4 \7 b0 o0 L) u This filesystem will be automatically checked every 30 mounts or3 e0 W0 t$ W& P- g6 A2 a5 t9 w+ @
180 days, whichever comes first. Use tune2fs -c or -i to override.& d0 z# @6 l4 I" A0 X! c0 L
文件系统 1K-块 已用 可用 已用% 挂载点
! e/ `1 L1 k" z6 c' D2 M /dev/sda3 3723848 705992 2828692 20% /
: n' X3 w' y5 O2 v! F: _, M /dev/sda1 101089 9274 86596 10% /boot. Z+ \( g. U" N W9 g, m# d
none 14520 0 14520 0% /dev/shm" G5 j8 y j5 S, H; x
//挂上新分区
j5 _8 V. W" x/ L6 {- f- mount /dev/hda1 /home
+ J$ ^0 e3 K, K4 ~( Q6 v - df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点6 H; C, p% C* s3 _6 U" p
/dev/sda3 3723848 705992 2828692 20% /
6 y9 W: ]. _' m5 {, S) O3 d6 A) Y /dev/sda1 101089 9274 86596 10% /boot" |! [" k* T# Z' `4 G( [9 A
none 14520 0 14520 0% /dev/shm3 n" H5 C2 F `6 I: l7 [( x2 T! W: J8 u
/dev/hda1 488006 8239 454569 2% /home
# ^4 A; }" Z9 |4 h4 B+ ^
8 z6 J. G: I, l' O自动挂载:: j) o0 s( f. a# Q+ S
- vi /etc/fstab
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( h# H0 J! ~# S, {2 I9 A- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
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6 T+ _) u0 x. C- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:% o8 q: I+ f+ p) s0 G/ v0 ]
- mount /dev/sdb5 /mnt/ljp1
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+ j' x+ I! r8 P" \4 s# P( `- mount /dev/sdb6 /mnt/ljp2
复制代码
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