|
|
Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
, x" n1 d$ j6 x. D# k F or: fdisk /dev/sdc (for the third SCSI disk)" V1 [0 }# N% S
or: fdisk /dev/eda (for the first PS/2 ESDI drive)3 W( ^! ]+ h2 G9 M8 `/ K3 o5 G. r
or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
$ k+ [5 M; X8 u: K ...2 w0 d2 G# X: H9 N3 h
- df -k
" r3 @$ j# V2 i$ _* z& H - df -lh
5 c& L, n. P0 m' F" j( ~$ G$ E) K2 C) M - 查看有几块硬盘：fdisk -l
6 n0 N4 ~) F# O1 e0 X$ }4 |* ?
/dev/sda3 3723848 705968 2828716 20% /
7 F9 [/ ~0 [) f0 G" j4 U /dev/sda1 101089 9274 86596 10% /boot# D- H! G+ K' J7 F, Y% h6 j* J) I
none 14520 0 14520 0% /dev/shm8 y S' E( }) G
对新硬盘分区，4G硬盘中划出1G作为新分区。给/home使用
7 Q9 A, u% o+ M, H. BDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel5 [& x+ z: B7 J: i+ @. k* q" n
Building a new DOS disklabel. Changes will remain in memory only," U" h5 S& X, t, w& @8 E: [; v/ g
until you decide to write them. After that, of course, the previous: _8 W# O- F W
content won't be recoverable.
" ] |' s' p0 ~$ p The number of cylinders for this disk is set to 8322.. `+ G; W- d4 C7 q: g1 U3 B6 G* h6 _7 D
There is nothing wrong with that, but this is larger than 1024,
7 x) ?3 d4 Z9 c, L. p5 K# O and could in certain setups cause problems with:
+ k- k' M S2 \7 W3 M8 \ 1) software that runs at boot time (e.g., old versions of LILO)6 u+ d7 h' h1 V% c! t
2) booting and partitioning software from other OSs; {) p3 _# ]6 s
(e.g., DOS FDISK, OS/2 FDISK)
! |' A# [; g& w5 i0 u6 l/ J Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
3 F. `- ]6 s! {( b Command (m for help): p
9 [; o2 V- n" r4 F2 z( r& N, Y5 t Disk /dev/hda: 4294 MB, 4294967296 bytes0 M, x# M g, W- T: @$ s( E
16 heads, 63 sectors/track, 8322 cylinders7 `6 E3 _* b/ i' \* n8 z
Units = cylinders of 1008 * 512 = 516096 bytes
5 a: Q$ C) k2 O& W7 n1 r. i, u$ z Device Boot Start End Blocks Id System
1 ?* A( \- t, B+ r Command (m for help): m
( q3 X8 u+ B- {: b9 a6 t Command action
+ F* K6 R* j1 z" B, I a toggle a bootable flag
- D& \9 h& b3 i b edit bsd disklabel
A( [, ^4 R. u+ j6 _- p9 D c toggle the dos compatibility flag4 Y B9 O2 t" _ P* s z( ]
d delete a partition
0 R" t6 x1 K; e i2 R6 @ l list known partition types" f5 P5 K6 o! t$ s) H
m print this menu
; z( y+ b5 l; g f* \% v n add a new partition, d- d \0 ^* h& B* r% c
o create a new empty DOS partition table9 ~8 Z6 V& a# i6 ^
p print the partition table
, D. `$ S* R+ n, c9 Z7 n$ N, j q quit without saving changes8 [5 c$ J& X0 r; X% _: Z
s create a new empty Sun disklabel
x( r( ?, p* L1 @6 y: g6 Q t change a partition's system id/ w& j& r, \* _+ Z
u change display/entry units% Q% P2 i' V- X$ b$ m* B- b8 x4 k
v verify the partition table
! O/ m6 U6 s$ x z: T+ [2 R w write table to disk and exit4 c( {. `, X' K# v: G, A
x extra functionality (experts only)
+ w: F& G- @; T" ~& o! l# ~ Command (m for help): n2 l$ Z4 f8 X# C/ \7 g& A! A
Command action
/ m. E+ t* J- \' O e extended
, I- s9 Z- x" F2 F1 p p primary partition (1-4)
, x( B. o1 N% D8 E) H* C. Z p
! ]1 n. k: M( A Partition number (1-4): 1" v& @' ^2 o" y# a P' [. X* Z
First cylinder (1-8322, default 1):
. t/ ?' M. W; {3 r( V Using default value 15 v( F' e6 g2 b8 u, M
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G% D! R) j# G! |% C
Command (m for help): p2 i; |/ ]4 \9 g. E1 h: f4 C
Disk /dev/hda: 4294 MB, 4294967296 bytes0 a" [2 ]: w! e# x
16 heads, 63 sectors/track, 8322 cylinders
' f' M; f! _4 U7 @% Z! B+ K Units = cylinders of 1008 * 512 = 516096 bytes
* i" f; A% }3 _ Device Boot Start End Blocks Id System& z. ^; n7 J; |" M' t6 I
/dev/hda1 1 1000 503968+ 83 Linux) @& t8 R# w) O) N) D& b4 ?- ` g! N
Command (m for help): w: J( k# d* @' k
The partition table has been altered!
" s* d/ t8 h: I! M3 \( Y' p Calling ioctl() to re-read partition table.% h! U" X" n6 f( f) S
Syncing disks.
% z* Q+ ]# s8 F# D //格式化新分区
) ^3 X) r% _- m/ Dmke2fs 1.32 (09-Nov-2002)
" ?; {# o# |. L( s5 ? Filesystem label=
" k- w: l9 }4 _; i OS type: Linux: p- U" Y7 i; ?4 v; z& }
Block size=1024 (log=0)
C( f! R3 H4 H* f, l* i Fragment size=1024 (log=0)# h% C! G+ `# Y5 g! v1 M9 u
126480 inodes, 503968 blocks
+ K: e% G5 [, |+ V$ U) f 25198 blocks (5.00%) reserved for the super user
" ?3 F( e) O: B$ n First data block=1
1 R3 t4 f2 X" K+ ]; l* P& P 62 block groups
5 P- ~- Q5 L% {& d7 _: W0 g 8192 blocks per group, 8192 fragments per group
: F' h! [2 m4 q K1 T 2040 inodes per group
8 f% N: G$ w% [8 `5 W0 ~7 ? Superblock backups stored on blocks: + I4 \# y+ ?7 O2 W$ L
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
% h2 I+ V9 W# x( H) f# p Writing inode tables: done
& j1 P, ], P. b Creating journal (8192 blocks): done
. D7 [' s7 O0 W- l Writing superblocks and filesystem accounting information: done
8 h& ^/ Z! s& n# \, N5 F% Z: T* O This filesystem will be automatically checked every 30 mounts or
( ]( G- m1 K5 O7 e& n$ k; f9 y( W 180 days, whichever comes first. Use tune2fs -c or -i to override.( l4 a$ f8 v$ V9 Q" ^3 a; Q
文件系统 1K-块 已用 可用 已用% 挂载点
# D2 m/ f6 x6 x /dev/sda3 3723848 705992 2828692 20% /
8 F+ o7 c9 o3 c) g8 V* k* A /dev/sda1 101089 9274 86596 10% /boot8 t7 I# D5 O$ r# z
none 14520 0 14520 0% /dev/shm6 _$ ]* _% b: x! f B8 G7 z& I
//挂上新分区5 k& G% V( L+ A, K
- mount /dev/hda1 /home& X# N; g1 W6 c
- df -k
/dev/sda3 3723848 705992 2828692 20% /
0 e4 e( e$ U! ~) l) c( g* L /dev/sda1 101089 9274 86596 10% /boot
4 B3 E1 r2 E4 ?* L1 V. \; S none 14520 0 14520 0% /dev/shm
5 L2 S5 Q- z% I1 j7 H /dev/hda1 488006 8239 454569 2% /home
6 r+ \0 ?' v# `& I: D% ]8 o5 W3 x' }9 A& p% F
自动挂载：
+ ~! a* ?4 H/ w8 k+ S' H- I0 [* a- vi /etc/fstab; s3 G* }# g) x1 _/ o
4 G3 R3 {* g) \- Q! K- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 04 F- i" j( q4 P# _* g9 I% i
$ P1 y, q1 J; ^, A- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
- mount /dev/sdb5 /mnt/ljp1 G9 V* P1 m ]+ Q* g1 K
& e, a- o' i4 G+ J9 a3 _+ ~' Y- mount /dev/sdb6 /mnt/ljp2
0 W' q2 G. Z; ?$ z7 d. ?' F" T
- f' y. \8 w3 V7 |/ S
: @# |8 l& R# v$ x6 B$ h/ V |
|
发表于 2014-2-9 19:20:26