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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)$ p0 P7 x5 D# v: k! L! A
or: fdisk /dev/sdc (for the third SCSI disk)
2 d8 c) K$ X. p3 {3 |- k or: fdisk /dev/eda (for the first PS/2 ESDI drive)" k/ z' Y7 z* l
or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)6 f# Y1 L. x" J% q- f( O( ?" y. u
...
+ W5 t. D% _1 q. M3 n4 J3 B( Q. u) j0 V- df -k
2 g0 g0 ^9 g e9 G - df -lh
- M7 G; f$ y) R: R1 U% s - 查看有几块硬盘:fdisk -l6 D! I# @6 k# K' h
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
. c M& ~* A: |& f* d+ ^% w /dev/sda3 3723848 705968 2828716 20% /1 _; U+ _3 |9 ?4 f# u# ^# ~
/dev/sda1 101089 9274 86596 10% /boot6 a5 H. N) f; e6 C( x9 J# b2 |
none 14520 0 14520 0% /dev/shm `) D2 F7 q8 e; } a
对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用$ Z3 ^, z! c# Z4 N' ~& g& D4 p1 l: H
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel, m$ k( B8 v% j8 t' \( S
Building a new DOS disklabel. Changes will remain in memory only,
4 ^5 y8 W, H0 e$ e3 K0 B. ~ until you decide to write them. After that, of course, the previous
5 l/ E3 g. Q: p$ T1 S S7 B content won't be recoverable.8 x* z! B$ W/ n
The number of cylinders for this disk is set to 8322.
, |9 D6 \7 C. p3 W3 M( |5 J0 m+ B There is nothing wrong with that, but this is larger than 1024,$ l$ Z: O( R8 j
and could in certain setups cause problems with:
* w+ r) H/ p/ M: b) u% t2 w 1) software that runs at boot time (e.g., old versions of LILO); P& c$ m: B: o1 Q5 A' @
2) booting and partitioning software from other OSs
4 X2 ~! S; C- K' M, Y6 t3 i1 O$ n (e.g., DOS FDISK, OS/2 FDISK)$ `! Z) T8 W4 @
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite), n% q1 y' I8 u4 F6 o- y! G n
Command (m for help): p2 g; D+ R; M8 M% x& c& P& @
Disk /dev/hda: 4294 MB, 4294967296 bytes
* g6 K& Q8 K# V4 p7 C! k7 P$ K 16 heads, 63 sectors/track, 8322 cylinders8 U k$ }+ {% ?% N' z
Units = cylinders of 1008 * 512 = 516096 bytes
" D; K) p3 M# D8 X Device Boot Start End Blocks Id System
Q) f: |. G$ e+ `8 ^ Command (m for help): m
9 u$ Y( l6 ~0 w D; U7 g Command action7 X. B, ]3 E' \. `' t% W: ?
a toggle a bootable flag7 W7 `( R4 I; \9 \6 ^6 J
b edit bsd disklabel
+ |2 W5 A- o; s+ h% } c toggle the dos compatibility flag; K; c1 f5 D: r, K$ n; u$ \. f0 e
d delete a partition. x* r. Z: }/ N2 u: i4 J+ @. }
l list known partition types
/ o- \' e% f, k) t; m m print this menu
6 L% O% N- U4 J+ y J5 ] n add a new partition/ o9 {) v+ x, }! o
o create a new empty DOS partition table
- `4 M( w# Q8 Q; p: c6 n p print the partition table- ^* O# |+ O& X; |8 {8 |4 o
q quit without saving changes5 R# n) N+ M. a! q% r. j/ A
s create a new empty Sun disklabel
" k* ^) `5 I- z6 k t change a partition's system id
0 ?) P3 j8 Q7 t u change display/entry units7 A3 e0 i7 z$ {; x, ~
v verify the partition table; U3 \- c9 c: i6 Y: k
w write table to disk and exit! P/ }0 D) C, z p8 R- M
x extra functionality (experts only)
$ J% y' g$ w3 ?- T' A) i Command (m for help): n
' c+ s! d5 j/ a% t5 J Command action
+ d) d& C0 m# W e extended3 e9 u: ], h/ }1 }% k; G
p primary partition (1-4)% `8 E8 A+ u' q+ I6 g0 R) ]
p
# w) k8 \: ?0 ?' M' W1 V- J5 h Partition number (1-4): 1- m; m- q% ?4 n8 v6 n- z
First cylinder (1-8322, default 1): 9 q5 U2 u! f# J9 [6 m5 G
Using default value 1+ U9 C8 A- y& f. t
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
! q1 r# a( `# f- k/ E3 q Command (m for help): p% w2 c( j4 J9 V
Disk /dev/hda: 4294 MB, 4294967296 bytes
! y. P. C& x( M& s2 e9 c! u; i 16 heads, 63 sectors/track, 8322 cylinders& g0 P& o* c: A7 V7 X+ l2 t. X; i
Units = cylinders of 1008 * 512 = 516096 bytes
: }5 h4 P1 D# q4 K) \ Device Boot Start End Blocks Id System, c7 G1 L9 N1 i/ n2 n
/dev/hda1 1 1000 503968+ 83 Linux5 w |" C' R. m
Command (m for help): w, Z! x; Q7 l0 K$ f* y
The partition table has been altered!
8 k6 j2 h6 a* t- L$ u# B Calling ioctl() to re-read partition table.
: G6 k: m5 f% O2 c. f4 { Syncing disks.+ Z+ P6 W- ?7 j" U- O- t Q. `
//格式化新分区6 B$ x' l. q3 C
mke2fs 1.32 (09-Nov-2002)4 q9 g+ Y: O& o6 V0 }8 W2 b
Filesystem label=
$ p% r3 Y3 L3 k- O. }0 s# W0 M OS type: Linux0 } m+ Z# ^' K
Block size=1024 (log=0)7 W1 Q2 M6 D2 [+ F, `
Fragment size=1024 (log=0)
8 e. @7 l+ I9 x- y) x4 C4 t+ u n 126480 inodes, 503968 blocks; u/ P1 F" Q: ?& `1 w" s' b3 N
25198 blocks (5.00%) reserved for the super user
7 B; j: \* k, Y7 }9 A0 L First data block=1
/ {) T/ {9 H- Y+ R; v2 S 62 block groups
9 S. N2 J4 {: g 8192 blocks per group, 8192 fragments per group. N f6 Y3 A" ?
2040 inodes per group& g% s6 a3 n4 Y$ e7 P U8 {! O
Superblock backups stored on blocks: o8 }$ e* e$ D7 }0 a4 |
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409+ Z! z6 \/ B2 t4 Q4 w
Writing inode tables: done . a" b' Z, Z8 k7 m& b
Creating journal (8192 blocks): done: ~' r3 T2 v3 ~* c& O
Writing superblocks and filesystem accounting information: done2 P' C2 c5 ?0 z$ q
This filesystem will be automatically checked every 30 mounts or
% r8 i' g( R( N2 w4 _ 180 days, whichever comes first. Use tune2fs -c or -i to override.9 B6 D7 S) M( [% R
文件系统 1K-块 已用 可用 已用% 挂载点& D0 K% O9 |6 n1 m8 D: ^
/dev/sda3 3723848 705992 2828692 20% /8 z, p7 i; n5 _2 `# n9 [# @( \, ?
/dev/sda1 101089 9274 86596 10% /boot
, ?! g8 H5 o, y3 l7 T8 l none 14520 0 14520 0% /dev/shm- G9 t1 }6 b& b7 W3 X
//挂上新分区
. f* N5 T E7 b3 i; Y( }0 }- mount /dev/hda1 /home# s/ D9 {& k# \/ n1 R
- df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
' k2 Y7 I+ U. }$ G /dev/sda3 3723848 705992 2828692 20% /
" C- e/ V6 {3 _8 h /dev/sda1 101089 9274 86596 10% /boot
% t% z1 x; O: X4 N+ `; d none 14520 0 14520 0% /dev/shm# G1 K9 \1 a$ ?+ ]: m8 f
/dev/hda1 488006 8239 454569 2% /home
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自动挂载:
% ~0 C- C8 O# @+ a7 ^- vi /etc/fstab& c! h9 [) W* {9 Z; A& q
' ^) ` o* T- k) G9 `- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
! \7 s0 M$ `- `0 Y/ V
3 C+ y A- w6 V3 t- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:+ ?% @2 E" F4 `6 g/ X) g
- mount /dev/sdb5 /mnt/ljp16 r1 W4 P: w5 B
- $ e% w/ k9 n2 w) q
- mount /dev/sdb6 /mnt/ljp2
复制代码 2 g) ^! w" y) L; q4 N& W
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