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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
8 L0 Y' N9 D& q or: fdisk /dev/sdc (for the third SCSI disk)) X1 b. H' y1 c. v7 E1 q
or: fdisk /dev/eda (for the first PS/2 ESDI drive)$ \: u8 c' I. ?, H4 _2 n6 _0 ?
or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
/ Q4 P: G X. V: s* n ...+ v) \$ I: [+ H4 x' ^0 z4 _ B* D* B
- df -k' D* |, H) |$ o/ h3 D- O9 t
- df -lh. u* Y1 H, ^; V6 X( {# n7 `; Q
- 查看有几块硬盘：fdisk -l* X" ~7 b- q* ?+ s+ Q; ]
/dev/sda3 3723848 705968 2828716 20% /( ~) R5 `/ M7 [3 i! r5 I9 H7 M' h0 G. o
/dev/sda1 101089 9274 86596 10% /boot' [ y' I% ]4 C9 V1 r1 X! F0 {
none 14520 0 14520 0% /dev/shm0 h0 p+ r7 N; p
对新硬盘分区，4G硬盘中划出1G作为新分区。给/home使用
( Z6 @6 w2 V+ c e5 x2 w8 ODevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
. ?- R9 E: Q: y9 @' [ Building a new DOS disklabel. Changes will remain in memory only,
5 ~5 j1 f2 v+ I( Y: d9 Q) | until you decide to write them. After that, of course, the previous
+ y" c( V0 g; m) w2 J4 d content won't be recoverable.
0 ` f# C& z! E/ m2 }1 ?5 n! { The number of cylinders for this disk is set to 8322.
) w- b; e I! ~0 ?" E4 Y There is nothing wrong with that, but this is larger than 1024,& L. c1 U' k& E [5 J" E
and could in certain setups cause problems with:6 f! g1 }) F+ X2 i' L
1) software that runs at boot time (e.g., old versions of LILO)
( o; O9 A9 B, t$ F' ~ 2) booting and partitioning software from other OSs
N+ ~# b8 m! e9 U5 j6 w (e.g., DOS FDISK, OS/2 FDISK)
# D* b0 q6 h- x! c) H Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)# z7 V8 p3 Z/ {
Command (m for help): p3 ^; G- z" u) O3 c4 T! {8 [
Disk /dev/hda: 4294 MB, 4294967296 bytes' h- G, b0 C/ Z
16 heads, 63 sectors/track, 8322 cylinders+ |" T/ l! L3 E1 S5 h
Units = cylinders of 1008 * 512 = 516096 bytes, l4 `/ `' @1 M$ x9 }
Device Boot Start End Blocks Id System
6 T E: J4 {+ w/ p2 n( L$ `7 g Command (m for help): m
/ ^, B/ m6 T' W0 h- y J( H Command action w" ?- n$ z) i- n6 [
a toggle a bootable flag! l% \' ~6 t3 w' I2 E
b edit bsd disklabel) E! ~' c8 K$ F7 _ l- T) _
c toggle the dos compatibility flag* o1 T, s4 r, C% ^$ j* w5 t/ y) N
d delete a partition8 @9 C9 Z7 S$ y
l list known partition types) _/ x- E; j, w. s" @
m print this menu: O" N% }+ j/ i' X5 ^- S
n add a new partition) }' ^4 f: e0 a5 ^- H
o create a new empty DOS partition table
- V' o/ R6 ?8 c p print the partition table! k/ h8 P1 M! a1 ]& {3 _0 P G- @
q quit without saving changes$ j/ K: a, B; _! [1 R9 Z* ?. h
s create a new empty Sun disklabel
, K8 L6 S' _" W t change a partition's system id( R0 F" o4 V% F& `
u change display/entry units
: q" V4 f% T6 ]4 p4 ~- K# b* A v verify the partition table9 Y5 Z& R( W2 k( S5 y4 ]- s1 y
w write table to disk and exit
( H5 b2 j) Z" W x extra functionality (experts only)
) n! [9 I7 P7 q: Y4 k1 ^% K Command (m for help): n
' u6 B4 j" D! v5 b Command action4 V( u3 S$ E( c
e extended
+ R8 Z9 ~' ~' Q/ H8 w- m p primary partition (1-4)
W5 B; Z+ _& E* e3 f3 ?+ [ p! i( T) E- i3 S
Partition number (1-4): 1
1 @. i2 [ F' q- O1 | First cylinder (1-8322, default 1): ' T+ M" d ]: z/ ~; U( w
Using default value 1; _2 K: w+ @/ @" g6 N' R0 z, x7 d
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
% ]. T% z7 M: ?* M- Y Command (m for help): p
9 D; E4 a+ A/ g6 { Disk /dev/hda: 4294 MB, 4294967296 bytes
6 c$ {3 N8 F5 A! e6 n 16 heads, 63 sectors/track, 8322 cylinders5 a Q7 g" ?" [* i1 j6 W. q
Units = cylinders of 1008 * 512 = 516096 bytes' Z. {8 G) l* o* t$ P. L: {% _4 B
Device Boot Start End Blocks Id System- d/ O. K) u: A' h7 r( _
/dev/hda1 1 1000 503968+ 83 Linux
( k; V* f- Y) f4 d4 Z6 ]$ O7 j# u# ~; ? Command (m for help): w
4 Y/ Y9 B* `) |4 s7 R2 t( f The partition table has been altered!, O" \) h. h. ?7 E6 ?6 K
Calling ioctl() to re-read partition table.
0 Q8 x4 S8 @) u Syncing disks.' H7 k+ B/ z& d7 s0 Y4 W* V, Q# @
//格式化新分区
{- U7 D$ r: j l l0 xmke2fs 1.32 (09-Nov-2002): _7 o0 Z k& j4 }2 V
Filesystem label=
5 P& F1 K4 J' u- O+ @ OS type: Linux' D9 e* G2 K8 A$ K: F
Block size=1024 (log=0)8 h7 D/ U# g+ l7 e7 j' u Q
Fragment size=1024 (log=0)
4 L* c* g0 B$ ^9 k' U 126480 inodes, 503968 blocks
1 u( V, M8 e# ?; J+ Y6 ~ 25198 blocks (5.00%) reserved for the super user
0 B3 e' g; y. O& d" ~6 j( a+ j9 p First data block=1+ x6 G4 W0 E' B$ Q
62 block groups1 h4 m6 i( O ?
8192 blocks per group, 8192 fragments per group( f4 V( L( z8 r; U, _9 o
2040 inodes per group3 N% s! \$ j/ |+ b2 K
Superblock backups stored on blocks: & K |& a6 Y- ~+ E+ E
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409( I! p$ ~5 A9 a6 v5 \# K- C
Writing inode tables: done
1 Q7 e4 ^7 \. b; u' k! W$ s- l Creating journal (8192 blocks): done
; S; {2 F* Q7 ~. U Writing superblocks and filesystem accounting information: done; L! q& ^. |; J9 H% A
This filesystem will be automatically checked every 30 mounts or
. _; T; ~; G9 v) R: T 180 days, whichever comes first. Use tune2fs -c or -i to override.8 `7 s8 R. L' _- b9 y
文件系统 1K-块 已用 可用 已用% 挂载点
# M2 S, b) Q# n+ f; y6 Q6 v. I; P /dev/sda3 3723848 705992 2828692 20% /
5 g9 J1 A! J0 `5 M5 g: J /dev/sda1 101089 9274 86596 10% /boot
/ `; u2 y7 O3 y7 p9 P' h" M none 14520 0 14520 0% /dev/shm& |9 ]# v+ q# o
//挂上新分区
8 o( }4 c2 S+ r: j& F2 D; s; _" e- mount /dev/hda1 /home6 C9 e" B/ P6 \4 o y
- df -k
" \- z2 G5 `- _- B9 K0 W /dev/sda3 3723848 705992 2828692 20% /; ]* i9 E) d0 q8 N
/dev/sda1 101089 9274 86596 10% /boot
! d" ]& m" \+ E: Z, r2 m none 14520 0 14520 0% /dev/shm! R4 p* I7 d4 V" f; S6 m
/dev/hda1 488006 8239 454569 2% /home! z0 G8 X* T6 S P% O- h' i1 f7 S: p
7 L7 s1 p4 T# N1 e8 g. [
自动挂载：, D6 u3 {# Z K
- vi /etc/fstab/ l2 \( H$ y+ ]
- # c% Y1 E* f1 A. V- G, M5 p) |6 {
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 06 M" K; }1 A6 F0 q0 Z/ j
& d% ` F9 L4 |7 V+ x- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
- mount /dev/sdb5 /mnt/ljp1! @$ q% U9 q0 q( K1 H- Q, L+ F( z
- ) {- Y g5 p; U6 b* z4 o; y# s! a
- mount /dev/sdb6 /mnt/ljp2
$ R+ i8 x. }5 X2 t: y, L5 n' X8 S, ]) \9 F. \
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发表于 2014-2-9 19:20:26