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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)# ^; N$ N! L1 ]0 R
or: fdisk /dev/sdc (for the third SCSI disk)! l7 T' {6 v4 U
or: fdisk /dev/eda (for the first PS/2 ESDI drive)) b" z! s2 G5 i' s
or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
+ \- d! V! B* y+ X8 J: J% Z ...
1 I2 R% r: l7 H% q; E- df -k
; m6 O* N0 o! e3 C& O$ O9 k - df -lh
2 J9 c4 @+ e, ^: Y - 查看有几块硬盘:fdisk -l' F' s G1 L2 a( u9 T, X9 _. ]
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
; b7 ~% l5 n2 ?9 r# ~ /dev/sda3 3723848 705968 2828716 20% / A2 f4 a4 p/ d, C# z: n- b) [
/dev/sda1 101089 9274 86596 10% /boot
2 h2 M6 t. E/ T L none 14520 0 14520 0% /dev/shm
) i8 Z: U; ?! L3 Q9 n 对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用9 x2 I6 ?1 K- X8 C# n9 {0 N' ^ x
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel- K/ q1 T1 ^( w6 A; t5 i* l, K6 h
Building a new DOS disklabel. Changes will remain in memory only,! S' ~; Y" E/ l- O: y0 k0 B
until you decide to write them. After that, of course, the previous
' e4 w5 g: ]1 y3 o content won't be recoverable.& ?% n1 U: B& I3 P- R) Z0 _( b
The number of cylinders for this disk is set to 8322." c! B+ g7 X0 E4 M) m( o2 s& B
There is nothing wrong with that, but this is larger than 1024,. R/ j1 ^ Y8 ^$ e6 ~7 ]
and could in certain setups cause problems with:
" x" g( X' E& h/ c: ? d, D: l; J 1) software that runs at boot time (e.g., old versions of LILO)
3 B# q* ?5 A1 h, i. X5 P 2) booting and partitioning software from other OSs/ |4 ?' w0 Y& j, I- o) X$ B: P( v
(e.g., DOS FDISK, OS/2 FDISK)0 ^0 z/ @- C8 j/ B/ ?' e
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
" e e0 [( }% h6 e Command (m for help): p
0 k% W$ W: S1 R$ Y: q Disk /dev/hda: 4294 MB, 4294967296 bytes
) z5 N2 t, f$ c2 v4 J- e 16 heads, 63 sectors/track, 8322 cylinders
7 `; P/ i) g3 z2 s' p9 N2 w Units = cylinders of 1008 * 512 = 516096 bytes1 ~4 s6 j% y, e/ f* I; W% c
Device Boot Start End Blocks Id System( `/ u1 ~% N1 L/ k/ S s# C
Command (m for help): m A: @1 q! a& U+ @: l2 U& _
Command action
6 Q6 Z0 D6 ]* }; f$ m9 `+ N2 b a toggle a bootable flag
- b" I& P4 D0 I3 I, v" q" g b edit bsd disklabel
% Z b8 [' e, ?) f: I4 C c toggle the dos compatibility flag
7 }: h+ i2 p" f% x- h d delete a partition
$ Q+ v5 n# \5 j7 X/ O l list known partition types
" K. D$ @/ q( ^7 i- G& K8 [4 D5 o m print this menu
8 ` O4 s$ }& Z; c/ o/ d; T n add a new partition
' X' y0 L% _, j1 J7 a: F/ W9 \ o create a new empty DOS partition table* m. i8 G/ A% _6 |- `0 F
p print the partition table
. J# e6 r- ^: o q quit without saving changes
0 G4 x9 W J( n s create a new empty Sun disklabel
+ h" P1 M- I& Q t change a partition's system id$ V5 }* Q6 Q' f
u change display/entry units2 M! |9 X! v* @4 O: C
v verify the partition table/ h, \' j2 _- _1 h c: W8 o% a
w write table to disk and exit
6 y% r$ Y B m8 D x extra functionality (experts only)% ]0 i0 U/ {8 f
Command (m for help): n) B4 b1 C8 j) F$ m7 o5 Z
Command action
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p primary partition (1-4)0 I1 l7 s: e: w# @' k9 N
p# P3 M% F/ Y; h$ D+ w3 z
Partition number (1-4): 1
+ J# K" ?9 |. e' F. q# ]2 @ First cylinder (1-8322, default 1): # ~* }+ d1 v' X: u+ r7 i6 @
Using default value 1: B; c+ j5 B: w* ]" I& U8 l" k* k
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G3 A* N2 f3 p2 y4 R( L* }
Command (m for help): p3 K& }% ~) t) v! F' O' S
Disk /dev/hda: 4294 MB, 4294967296 bytes
/ p# P( Y- K; z; V6 L7 D 16 heads, 63 sectors/track, 8322 cylinders
) r/ |; F. g* Q& t; m9 T Units = cylinders of 1008 * 512 = 516096 bytes
k1 ~: ^8 c) M6 l Device Boot Start End Blocks Id System" V, u9 f+ s. n1 A' g$ C I ]
/dev/hda1 1 1000 503968+ 83 Linux9 d3 Y4 C! d: ~) @, P- K
Command (m for help): w
* p3 E+ c! x1 l; h$ ` The partition table has been altered!
4 O# e$ X8 y6 \% o Calling ioctl() to re-read partition table.
! v' J1 O$ Q3 i Syncing disks.* l$ @, e( S: X# F/ p' x0 D) _5 [+ i
//格式化新分区
( E* k& S3 S3 Dmke2fs 1.32 (09-Nov-2002)
: z( ]$ o/ L4 @ t/ o Filesystem label=8 h& `) `" n: |& Y& i& [
OS type: Linux
) L H- [: C& D/ E4 z% M! L Block size=1024 (log=0). P( ]2 t, @5 n0 [! t, x9 @0 ]
Fragment size=1024 (log=0)- [' T" Y; K. t e2 f: R4 I) [9 H9 K2 o
126480 inodes, 503968 blocks
3 z2 g' y1 `3 k. c8 S9 J 25198 blocks (5.00%) reserved for the super user
; A% W* z H; T- g: o' ` First data block=1
% @* Y4 i i' R N 62 block groups! G! H( W$ p& [* P% W; a! D q
8192 blocks per group, 8192 fragments per group
7 p5 G3 C. J9 g; E 2040 inodes per group
5 ]) C$ J; w# T2 C; t6 e- Q: B Superblock backups stored on blocks:
5 D8 z% j5 f" w 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
8 s( C' t3 o+ i, U Writing inode tables: done w% k$ y- ]: {) D( R
Creating journal (8192 blocks): done
6 Y4 r3 L+ {9 Y; c: I; d Writing superblocks and filesystem accounting information: done( v& @7 o: v; d7 ?- I, B) r
This filesystem will be automatically checked every 30 mounts or
* G! Z# v) o' d/ v2 L 180 days, whichever comes first. Use tune2fs -c or -i to override.
t5 k @' ~4 I1 U文件系统 1K-块 已用 可用 已用% 挂载点
9 r# x, q, X* U! J /dev/sda3 3723848 705992 2828692 20% /: b) Q1 i: o+ E" f0 P
/dev/sda1 101089 9274 86596 10% /boot
3 z" e' b c% t+ ^3 q none 14520 0 14520 0% /dev/shm
9 {: l3 c+ C# s- `8 |7 C //挂上新分区, B1 U) h; R: W
- mount /dev/hda1 /home0 ^/ U2 q3 N) O; w( m
- df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点8 B1 j* e. X0 [3 \+ V
/dev/sda3 3723848 705992 2828692 20% /
3 u3 n1 T: R, m5 a /dev/sda1 101089 9274 86596 10% /boot! e( A! |- Z) A2 n4 R& j
none 14520 0 14520 0% /dev/shm
4 I- g3 |- x/ B' |! n' S, K /dev/hda1 488006 8239 454569 2% /home( ~0 R1 B) B5 S- {" h" k& `. N# D
9 F5 C* K+ T7 Q! _& Y/ u
自动挂载:8 T4 r& c9 j* t% U: e$ R
- vi /etc/fstab; I- t" S! W. {9 [ d6 J* N- Y7 }
% `- w# ]" l- i6 Y/ F4 T: S- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
/ t5 s* r4 J {) g% _3 h
1 R$ {9 F9 T; A' N# f3 u' `- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:1 s- B# g6 x4 K; W4 k
- mount /dev/sdb5 /mnt/ljp11 X* l E+ y+ O- }
- ( R: ]/ T! I" J$ N0 u H& G
- mount /dev/sdb6 /mnt/ljp2
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