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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
+ A1 L! e$ D' O or: fdisk /dev/sdc (for the third SCSI disk), x! T1 E- }) y9 p2 d& S9 x
or: fdisk /dev/eda (for the first PS/2 ESDI drive)
# P. P% z, n6 G: x4 K6 o or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)1 r3 d z+ ?. M2 N# Q
...
7 ?" } M7 Y2 Z' Q6 t- df -k4 H& r, I# W8 O t9 c8 g/ v
- df -lh& Q5 H$ o8 O5 N4 z1 t3 o, c: e% N
- 查看有几块硬盘:fdisk -l" i5 T1 f7 y7 I2 ~4 ?6 o
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
: x( x/ ~* m& @' v: U3 ]) N% N /dev/sda3 3723848 705968 2828716 20% /! q7 Q/ _; Z0 E- T& R5 j' l1 u
/dev/sda1 101089 9274 86596 10% /boot: n7 N' d. B$ _: ~* I) ?
none 14520 0 14520 0% /dev/shm7 a6 ^, ?! R8 a) P: D8 c
对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用7 _$ W+ W: ~4 \8 ^9 }' C3 a% z
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
0 ^* s- Z4 {: H w9 `3 S+ ` x/ b# C Building a new DOS disklabel. Changes will remain in memory only,# P. n1 K* @' r
until you decide to write them. After that, of course, the previous5 l: |( ]1 C9 v0 q5 Z
content won't be recoverable.
) Z4 G/ g9 O* B5 J4 R The number of cylinders for this disk is set to 8322.
' z' w/ a1 I4 h/ ?7 f% w S There is nothing wrong with that, but this is larger than 1024,& x2 p( T1 J( d* x" j% o
and could in certain setups cause problems with:
# l9 g! n- s/ E* k! @! a 1) software that runs at boot time (e.g., old versions of LILO)
- E4 X4 N! ~$ G0 ~; \$ s 2) booting and partitioning software from other OSs" I( L y/ Q" R, b7 q+ Z& f/ }
(e.g., DOS FDISK, OS/2 FDISK)2 B$ u0 {& I& m- d c4 S
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)- [& N% n2 G* z2 a
Command (m for help): p
; `9 O/ g5 ~ C0 y3 D Disk /dev/hda: 4294 MB, 4294967296 bytes
/ l) \5 e& { Q, y 16 heads, 63 sectors/track, 8322 cylinders
7 ]& C; b# T9 K0 L K- ?0 Q1 q* a Units = cylinders of 1008 * 512 = 516096 bytes( C# P3 T5 g& V
Device Boot Start End Blocks Id System
- P" t9 }( Q# I- s) C _ Command (m for help): m
* l! W- d1 W0 P9 L# B Command action
$ R- \: e. {, J$ ~ a toggle a bootable flag4 `- H7 R8 }1 h) c( {- w
b edit bsd disklabel# i7 i6 m2 l+ S5 d' J# j
c toggle the dos compatibility flag. I R4 j. T2 [( I8 G+ D3 C
d delete a partition4 b. J c; C6 P6 d; a* ]' A
l list known partition types# w5 ]( |+ q% K; r
m print this menu; J" w3 E; B1 ^
n add a new partition4 l1 i2 G, U( j1 U% u
o create a new empty DOS partition table
$ x3 k( s3 C* c6 x8 T p print the partition table
4 A' _1 }$ B1 g0 ~' M q quit without saving changes/ l w" U% K) X6 l( p
s create a new empty Sun disklabel
' f9 m8 p% [5 s' ? t change a partition's system id
9 \; k6 r1 ^2 v: \9 z+ ~1 f u change display/entry units x" H6 L" p9 D7 F
v verify the partition table# j# h( n! E8 g2 s4 k
w write table to disk and exit" t' U0 u) ?+ m' k p6 f
x extra functionality (experts only)# }+ Z* v0 l6 a. u9 Z
Command (m for help): n* W, O: D7 N+ ]$ [: |' h% q
Command action8 b1 A/ ^" E' t: f/ w L e3 i" O( Z; }- A
e extended2 }; h+ {7 s+ a
p primary partition (1-4)
$ k! o- E1 h9 {9 G6 i$ n p! `2 s h. [( `6 K/ \) ]4 s6 T z, w
Partition number (1-4): 11 ]. n" P! g# v. U2 D
First cylinder (1-8322, default 1): ' Q( J; ^: I% J( |" l
Using default value 1
' B) w4 O, y: T- p Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G. [! K- F* D' a1 g
Command (m for help): p1 k; j0 U. _7 E$ c+ b. F4 z) |; ^
Disk /dev/hda: 4294 MB, 4294967296 bytes8 O0 ~; }+ B+ _$ C
16 heads, 63 sectors/track, 8322 cylinders+ q% d* z7 F- w: N v1 ?# ]
Units = cylinders of 1008 * 512 = 516096 bytes* b' A" R; |0 y& R0 k
Device Boot Start End Blocks Id System
* w6 T% h6 `1 z7 h U* a /dev/hda1 1 1000 503968+ 83 Linux
5 P2 w: H1 q+ Q# ^ ?. S4 H/ F0 e8 ? Command (m for help): w3 V2 V9 v D0 h& G
The partition table has been altered!- w0 ~. F1 P( m% u$ d
Calling ioctl() to re-read partition table.0 G- f& V; _+ V! p
Syncing disks./ \$ `9 t6 G, }6 W% ^
//格式化新分区9 w4 y) ^, `: V! z+ A
mke2fs 1.32 (09-Nov-2002)
4 y. Q6 o1 r, G* n/ Y Filesystem label=
; Y$ K/ X" a0 ^1 K" g$ | OS type: Linux
3 V" ]5 V6 T; P* M Block size=1024 (log=0). G) q6 N. d3 X. ?
Fragment size=1024 (log=0)3 O' X5 K' y5 c4 f/ f8 O* V* K4 L" S
126480 inodes, 503968 blocks
5 x% a Y8 C2 k0 f8 q8 c, U0 r* E 25198 blocks (5.00%) reserved for the super user
6 I9 M. d/ d7 V e" S First data block=1
$ l3 H1 I0 p; E6 \ 62 block groups
2 B' _6 G: h, d% ?; @/ Z, T 8192 blocks per group, 8192 fragments per group
7 r4 L5 U3 j, r* u/ w, j }1 }1 O 2040 inodes per group
8 x. \9 F. c) a- h Superblock backups stored on blocks:
. u) |$ h1 b- F4 M0 f6 r$ ?5 K 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409* L# I. I1 s$ A& q
Writing inode tables: done
& n' d. o" ~4 t0 ~; ` Creating journal (8192 blocks): done
; t U! k: U+ e2 P# F3 _$ O# S# F Writing superblocks and filesystem accounting information: done1 C4 L1 T2 z" [: ?2 D
This filesystem will be automatically checked every 30 mounts or
# t' a$ w0 D5 l1 r- G1 I/ R/ S 180 days, whichever comes first. Use tune2fs -c or -i to override.
# l5 ~6 k3 ]0 F! |$ W文件系统 1K-块 已用 可用 已用% 挂载点) I5 K4 x& j! I8 r+ D9 \
/dev/sda3 3723848 705992 2828692 20% /
) x% x( K% y( Q, q) y) m0 } /dev/sda1 101089 9274 86596 10% /boot% [* D" r* R! v
none 14520 0 14520 0% /dev/shm$ r/ l3 h% `! R1 Z8 ]# L! z( j
//挂上新分区
* U5 M3 x" I+ r% u, |& {2 G0 G- mount /dev/hda1 /home1 i9 i" Q0 s' j# k
- df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点" ?( p+ [" } n7 s+ W$ f) g( \
/dev/sda3 3723848 705992 2828692 20% /4 W% k7 Y" }4 S/ F
/dev/sda1 101089 9274 86596 10% /boot
\# W" j. U! v none 14520 0 14520 0% /dev/shm7 _5 H# B. I/ \) j1 `6 {# Y9 @" j
/dev/hda1 488006 8239 454569 2% /home6 p, j6 i; `2 d9 c5 j: J5 c& I
: }3 p8 i* {5 R2 y8 f7 R e自动挂载:1 A, }+ Q, S S0 o1 d; a! B& d* ~
- vi /etc/fstab. M0 w5 G$ q9 [! q* e) T
1 i# y3 M1 x0 j- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0( H" k' p {% l; c* B: }3 P5 \; ?
' n" g$ {, g' X! f- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:
- Q+ O) @3 P3 J( P& V- mount /dev/sdb5 /mnt/ljp1. B3 L7 i, {" V A) g
) K2 @! V8 ^8 g- mount /dev/sdb6 /mnt/ljp2
复制代码
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