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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
4 @. h$ v6 u D1 [ or: fdisk /dev/sdc (for the third SCSI disk)& u$ E; l! E9 t9 L
or: fdisk /dev/eda (for the first PS/2 ESDI drive)1 F4 q. T+ R1 \; M* r1 m; _5 |" O
or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)' i' l1 `# ^$ b' K# b. W
...$ ?* ^7 B- K1 q3 T
- df -k/ P. X1 ^' I. a* d
- df -lh3 \7 g. `4 o& n, }. B
- 查看有几块硬盘：fdisk -l3 ^' F* R6 Y! O
/dev/sda3 3723848 705968 2828716 20% /- d T0 C% M# W9 k
/dev/sda1 101089 9274 86596 10% /boot1 U7 F. H; f2 p2 v# k y
none 14520 0 14520 0% /dev/shm
, O- ^5 f7 }, R 对新硬盘分区，4G硬盘中划出1G作为新分区。给/home使用3 b9 R% N2 t" g7 X' W
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel- y) O0 `# N5 q7 c3 V( C4 w$ E% }
Building a new DOS disklabel. Changes will remain in memory only,
) k) N' ^4 i( i: E until you decide to write them. After that, of course, the previous
& x" p6 ]% Q, a' ~8 v content won't be recoverable.( ^5 B" [4 }4 Y; i* u
The number of cylinders for this disk is set to 8322.
. {5 H: I3 N3 T, b0 D+ M There is nothing wrong with that, but this is larger than 1024,
7 ~1 m7 x. P" G4 F" x& b9 D and could in certain setups cause problems with:% O) c9 O+ T0 L6 G8 b
1) software that runs at boot time (e.g., old versions of LILO)
" \ b4 X9 [; D% ^+ a2 y 2) booting and partitioning software from other OSs. K9 T# j- ~) E$ i ? E8 {- i
(e.g., DOS FDISK, OS/2 FDISK)0 n c7 b; t, \* Q, O- k" I
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)! E( J6 ^9 j8 }7 c
Command (m for help): p+ h2 o8 n2 N5 A" `
Disk /dev/hda: 4294 MB, 4294967296 bytes6 Q) W; N: F& A( N" [
16 heads, 63 sectors/track, 8322 cylinders" j% }2 n7 I+ Y. \& Q. F
Units = cylinders of 1008 * 512 = 516096 bytes& C h2 o! b, s% y2 T
Device Boot Start End Blocks Id System
5 ?+ L0 y1 q: X7 s8 } Command (m for help): m
- K8 k+ V% |2 _% u: m Command action
% X9 S8 z* N! X4 U4 V/ N8 J( F, U! R# T a toggle a bootable flag
6 _: G s U, C& m b edit bsd disklabel [1 I4 u' b! d0 t g$ w
c toggle the dos compatibility flag
$ r! \( }4 B+ k$ R% v. F d delete a partition& c" k5 ]7 F; \- v" B( s
l list known partition types2 J. f3 y/ O6 c* G( ]3 y
m print this menu+ d% F' G/ X: i! S# G% _4 s% v
n add a new partition1 r5 H" H: ~. u3 ^& T, ^- u# _; y
o create a new empty DOS partition table
/ V3 C' [4 l5 k p print the partition table
( h6 Y3 m7 i2 \( J1 v1 ?6 J8 f q quit without saving changes7 N8 I+ f- k, g. F4 ^
s create a new empty Sun disklabel
/ e8 R4 P1 _3 K) v, g t change a partition's system id3 d; f" g7 b9 ~4 i0 s* |
u change display/entry units, h) K. H2 g' \+ f ]3 r9 t
v verify the partition table
. \- _, t8 N' q1 H0 i1 i3 l w write table to disk and exit
2 i$ v0 K& a, ]& Z% n! b x extra functionality (experts only)4 K" D% u- j2 b
Command (m for help): n
1 ` ?. [ J4 N; {. r0 {; h Command action( ]0 D7 L; k* S4 k4 N5 `; O a: v. M
e extended7 V! P0 U4 x: @, g+ d
p primary partition (1-4)
/ F9 Y# L5 s6 y- A p
& q/ X6 [/ C7 _ Partition number (1-4): 1
1 c, q$ t1 r/ s+ H. M: ^5 ?2 [ First cylinder (1-8322, default 1):
. M1 u, L- s: Q- D' O/ A, F Using default value 1
/ w# X: y& {& n8 c Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
( N8 C/ R2 D/ T& y+ r Command (m for help): p
* L! m \, s9 f* w; t Disk /dev/hda: 4294 MB, 4294967296 bytes
* k' A- J% S. m9 X 16 heads, 63 sectors/track, 8322 cylinders: c/ [: }* I( E6 {9 E/ m
Units = cylinders of 1008 * 512 = 516096 bytes/ d; c+ @2 a% u) Y- O' K- U
Device Boot Start End Blocks Id System9 H3 q! f- h3 O0 S. e/ z
/dev/hda1 1 1000 503968+ 83 Linux
, z8 y- Q ^5 s+ ? Command (m for help): w. f# [, V5 S8 }# t2 C9 {
The partition table has been altered!2 e2 A9 {* B% `
Calling ioctl() to re-read partition table.' G8 z5 G2 w& v0 C2 g
Syncing disks.) `. c* q3 M2 T ^
//格式化新分区7 h6 ]( x3 U) L; k0 ^
mke2fs 1.32 (09-Nov-2002) M1 R1 C5 P) C' y) [7 I- r" g
Filesystem label=
" H( q: |8 N2 d4 Z0 c$ F7 P" d6 `7 ? OS type: Linux
! X( p0 B. f/ c" B1 l" S Block size=1024 (log=0)6 G" z, D# X8 m2 w$ R4 i
Fragment size=1024 (log=0)
! g8 y- A$ J& u( K: h; [- j5 r 126480 inodes, 503968 blocks& b1 Q4 l1 @' v0 f1 q* J6 M
25198 blocks (5.00%) reserved for the super user# f @# @; ~6 P5 D! G8 \1 \4 H
First data block=1" ~2 D3 X. r* u4 Z0 W) Z
62 block groups/ O- k" R `& h7 d' V
8192 blocks per group, 8192 fragments per group
9 m* b$ p1 ^$ s+ g5 ^ L 2040 inodes per group
3 T. f5 m& @# i5 X" T4 r8 g Superblock backups stored on blocks: 6 k% f/ T9 D5 T1 N" {' t4 b
8193, 24577, 40961, 57345, 73729, 204801, 221185, 4014098 t- _; V5 y, C$ f4 C
Writing inode tables: done
9 L0 j6 v7 o$ F Creating journal (8192 blocks): done k/ y; j/ s" G
Writing superblocks and filesystem accounting information: done
5 g7 z$ i( A0 b* [% [ x3 _. T This filesystem will be automatically checked every 30 mounts or* b0 J) |* a9 D: A2 a, J% E
180 days, whichever comes first. Use tune2fs -c or -i to override.+ z% D5 E! \% r, I$ X4 Y
文件系统 1K-块 已用 可用 已用% 挂载点
1 g& [5 T9 o8 v. C /dev/sda3 3723848 705992 2828692 20% /) l' r5 L9 K! H2 I2 {( a
/dev/sda1 101089 9274 86596 10% /boot
5 P) y) a7 J& v0 y none 14520 0 14520 0% /dev/shm
, e+ U4 y" [, T9 N7 q //挂上新分区
% R2 [6 I: L* D9 Z8 j- mount /dev/hda1 /home
6 o7 ^8 \0 r3 _) c# s. x - df -k
/dev/sda3 3723848 705992 2828692 20% /7 g( ]8 w1 J: w* i& N& U
/dev/sda1 101089 9274 86596 10% /boot
* m& {6 M1 O( g$ d3 S& @ none 14520 0 14520 0% /dev/shm+ ^+ }5 z1 Y% G, y. N& j* y" z4 h
/dev/hda1 488006 8239 454569 2% /home
( P& {7 {+ V. R3 W. \ g. _# _+ o" q( Y0 E+ b! m2 A$ R) k/ `
自动挂载：
: h3 Q H+ M; }1 l* B/ Z" G9 X- vi /etc/fstab) C# c' v. j" K( z
- + D2 r0 y* t, P' Z) g6 y
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
9 |" I. L3 d% a* d - ]/ j& j, u1 Y1 P$ L
- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
- mount /dev/sdb5 /mnt/ljp1; e* S6 _4 _" |
- ! Z, [' I8 a5 \2 h8 p
- mount /dev/sdb6 /mnt/ljp2
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发表于 2014-2-9 19:20:26