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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)0 Z# ^+ L* X# B( o' K
or: fdisk /dev/sdc (for the third SCSI disk)9 k( m' y6 }9 ?" F# X7 n
or: fdisk /dev/eda (for the first PS/2 ESDI drive)
; h5 M. |! r @% F V0 } or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
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- df -k9 w# X# }3 [) i+ w6 B# p
- df -lh f' C; w/ |6 b5 a6 A! g
- 查看有几块硬盘：fdisk -l
3 r" B3 S8 j9 n
/ C6 ]3 c; z6 O8 G; T /dev/sda3 3723848 705968 2828716 20% / Q+ ` L/ G# n
/dev/sda1 101089 9274 86596 10% /boot$ ]: X( m/ i1 j
none 14520 0 14520 0% /dev/shm6 E r7 R" Y* y2 Q
对新硬盘分区，4G硬盘中划出1G作为新分区。给/home使用! O/ X9 _, g& M, F9 g
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Q* Q4 f# i+ m/ ` T Building a new DOS disklabel. Changes will remain in memory only,' I( {9 x. \3 z5 t) q; |
until you decide to write them. After that, of course, the previous1 {# o- V. I. C" K6 T
content won't be recoverable.
6 X# |2 [5 o, M, \% J8 D The number of cylinders for this disk is set to 8322.
7 O, _8 A- n9 \3 | There is nothing wrong with that, but this is larger than 1024,
: S3 A1 f% R1 B8 t1 S and could in certain setups cause problems with:2 m" R6 i9 D3 \
1) software that runs at boot time (e.g., old versions of LILO)# ~, }7 u4 P9 D! }
2) booting and partitioning software from other OSs
2 u* F5 j9 A' o (e.g., DOS FDISK, OS/2 FDISK). r" R! D: o" I2 U
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
g. e4 p& V [; `1 b8 q4 V# h/ y Command (m for help): p4 y. u: `. g5 u- ?3 y' A0 Z1 S
Disk /dev/hda: 4294 MB, 4294967296 bytes
9 g. K" l+ }. ] x& R 16 heads, 63 sectors/track, 8322 cylinders
5 @* |/ X0 g* s0 F, b' ^9 i Units = cylinders of 1008 * 512 = 516096 bytes8 _+ X4 `$ N. N& }$ j8 A% {7 A& |
Device Boot Start End Blocks Id System
; @% W# b# L' `. X/ z Command (m for help): m
1 i, @# g! z6 W0 x! s& Q5 ^ Y- o Command action
7 H8 `9 |& ?# J1 l0 ^: K# R6 ^ a toggle a bootable flag* l7 a5 Q8 r. I- S8 M; h* b
b edit bsd disklabel' t( L" g4 M% x4 A0 q6 Q# P
c toggle the dos compatibility flag9 A9 ]) j# b% i8 f, i
d delete a partition
9 J0 f. ~ J4 }! X l list known partition types
7 t' K/ V5 k! f: e3 u; q6 K: l m print this menu5 ^9 Z# J/ k. {: o9 b" F
n add a new partition4 |! S9 g1 `3 F
o create a new empty DOS partition table
5 m4 S* d1 q0 k7 i. I p print the partition table$ j' d% }9 i' H- Z# q
q quit without saving changes
2 {8 }6 D4 W8 W. a+ e/ j- f s create a new empty Sun disklabel
! U: F+ h, v7 R2 ]) f& w t change a partition's system id N* K2 @% S% A
u change display/entry units8 ?3 ^: B: A7 c$ v
v verify the partition table; V3 c0 A) B9 P6 f) c" z
w write table to disk and exit2 H% ^, p9 Z h
x extra functionality (experts only)$ s8 R( N3 G4 A2 \# }3 v$ g
Command (m for help): n) J4 u& {- L m8 O2 b
Command action
9 r& I8 I. ] B( A. I5 {* l e extended. f2 |. J/ ]8 [. M, u
p primary partition (1-4)
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Partition number (1-4): 1
% T" g- F1 r" ~9 Z) Q9 W First cylinder (1-8322, default 1): 0 i1 K+ t, e% {4 |# M6 I1 a& H
Using default value 1
. b' y' n$ i$ K1 e( O% u/ R- J3 Y Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G# y" G) ^; m! [% _
Command (m for help): p& ~8 g R8 z3 X3 n. j
Disk /dev/hda: 4294 MB, 4294967296 bytes: j( q- j' V& c! E, |( S8 @
16 heads, 63 sectors/track, 8322 cylinders. W# e! e- f9 W! P/ v7 M$ H5 t; a- c
Units = cylinders of 1008 * 512 = 516096 bytes5 s& ~$ v. D+ _$ V
Device Boot Start End Blocks Id System
1 L4 e8 _% c: r* C6 A" X, l. ~ /dev/hda1 1 1000 503968+ 83 Linux2 O; l6 z( V2 T1 m' x
Command (m for help): w; b# F0 Z6 s7 R- H
The partition table has been altered!, _: D9 E. H! Y. |# v" l
Calling ioctl() to re-read partition table.
6 `& P# \) m8 B! I: M r. k Syncing disks.' F7 u9 |0 t8 W" f
//格式化新分区
$ g2 `' X# S6 ^% {1 l7 Zmke2fs 1.32 (09-Nov-2002)
- _/ O9 d$ c5 l; y r1 e+ @9 K" w' X2 E Filesystem label=
3 ` E) J1 h! E) h$ r& \ OS type: Linux
& c2 k9 e4 n, a; E5 z0 G Block size=1024 (log=0)
& m0 p2 l4 w/ i4 @) x! N% o Fragment size=1024 (log=0)
3 N) ~0 V7 @ T$ J 126480 inodes, 503968 blocks* S9 k/ a5 H; S/ R
25198 blocks (5.00%) reserved for the super user
' I/ y5 }! j% m3 R* ?8 S First data block=1
5 R2 A4 |+ q/ l3 V- ]: I' i, U 62 block groups
- F0 G0 M d/ C D5 G$ m 8192 blocks per group, 8192 fragments per group0 E7 X# A& N; K6 e& @( u/ g
2040 inodes per group
0 e4 R6 o' Z8 ~' r2 M) R. m Superblock backups stored on blocks: 0 j+ c5 P h- N5 H7 V! |. h0 ~, I F
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409' G- f" \; x3 A$ N
Writing inode tables: done
$ Q- a* T& _' o( d Creating journal (8192 blocks): done8 X1 n' M& [; B
Writing superblocks and filesystem accounting information: done
$ Z; [- J$ o4 \ X+ s This filesystem will be automatically checked every 30 mounts or- L2 x# s* X# S+ c3 Y
180 days, whichever comes first. Use tune2fs -c or -i to override.1 g# z0 s. ? R5 P4 h' E! }6 N$ T1 T
文件系统 1K-块 已用 可用 已用% 挂载点
( [; s) b- ~; V5 M* q; h x /dev/sda3 3723848 705992 2828692 20% /+ B$ W/ N( ?7 {# l
/dev/sda1 101089 9274 86596 10% /boot
1 E# \& y! N2 ?) P7 y none 14520 0 14520 0% /dev/shm4 v3 \7 u" { w" r1 x6 r0 Z
//挂上新分区- [4 O% E0 z X9 Q
- mount /dev/hda1 /home
# w; K, {3 {$ s; Q2 V v - df -k
, D9 L: ^7 F# d, T7 | /dev/sda3 3723848 705992 2828692 20% /
J# N: o: {. i6 `, r /dev/sda1 101089 9274 86596 10% /boot! m9 ?. f! B( z3 Q! s! K* O8 E
none 14520 0 14520 0% /dev/shm4 E. W' _8 W7 t) m
/dev/hda1 488006 8239 454569 2% /home
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自动挂载：
7 I+ B9 o1 {6 }& N- vi /etc/fstab
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' g: B3 q2 ^* Z* I5 D1 g9 f- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 08 h- L2 ^: Y }" q. A: m! ~) E
- % T) P5 V# V) r8 M, J z- ^0 J
- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
- mount /dev/sdb5 /mnt/ljp1
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- mount /dev/sdb6 /mnt/ljp2
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发表于 2014-2-9 19:20:26