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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)" }; J3 `* `% x/ [+ q, h ^
or: fdisk /dev/sdc (for the third SCSI disk)
& ]% b/ f$ }' B A% g3 W3 c or: fdisk /dev/eda (for the first PS/2 ESDI drive)
5 ~! f, d) h" R; \2 L0 }$ n4 v8 d or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)! I: N4 q# @% u9 V$ [
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- df -k
: b5 B' C- W9 N3 w, y - df -lh" ~3 v6 L5 y* g! t: j3 V
- 查看有几块硬盘:fdisk -l2 M+ N' W& I8 f+ n
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
& A5 g0 z. l( l+ ~6 Y( l /dev/sda3 3723848 705968 2828716 20% /# ?% Q6 \; T# I0 i$ a
/dev/sda1 101089 9274 86596 10% /boot9 X2 f1 w/ g7 [# ^1 j9 N6 W: `& l
none 14520 0 14520 0% /dev/shm
# S" ?2 U6 o, q& ]4 L6 c 对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用* H( j' `$ }: x8 u
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel$ t$ { A+ n3 n5 }, g9 Z7 ~
Building a new DOS disklabel. Changes will remain in memory only,) C7 t# S$ ~2 q
until you decide to write them. After that, of course, the previous
2 ]) x2 |; g; D content won't be recoverable.) W8 M( k8 u8 f
The number of cylinders for this disk is set to 8322.
4 e+ O, c1 S! J There is nothing wrong with that, but this is larger than 1024,
4 U% X0 [4 q) t! L8 Y7 C3 b: N and could in certain setups cause problems with:
9 p4 ^5 C% K" m% C, w 1) software that runs at boot time (e.g., old versions of LILO)# s3 X/ O% ]- R% ? b; m1 M+ j
2) booting and partitioning software from other OSs
+ p! N; ]; u6 \, ~. b' E( [ (e.g., DOS FDISK, OS/2 FDISK)2 V1 M6 x: O5 z2 c6 c
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
) n+ J8 C/ a! }/ H3 F8 v: n+ Z6 X Command (m for help): p
! }4 \* m1 u0 O8 S. b; o( J Disk /dev/hda: 4294 MB, 4294967296 bytes( `- K5 E- [0 t& y" k
16 heads, 63 sectors/track, 8322 cylinders8 {# i l8 ?& z' F
Units = cylinders of 1008 * 512 = 516096 bytes; [, N& \0 Y$ t; V* G
Device Boot Start End Blocks Id System5 [' ]" P8 a/ ^
Command (m for help): m
3 s& y' w+ u7 L Command action" X, F3 y2 H: E6 x* W
a toggle a bootable flag0 p, N+ q1 N5 B* r4 ]& V' O
b edit bsd disklabel
) V; M' E2 V3 u" q0 k/ b- _ c toggle the dos compatibility flag6 x5 g/ h7 j" W+ h
d delete a partition" y% V, o% s# U
l list known partition types% L' Q/ r7 p' g! h$ M3 o# `1 X
m print this menu2 D! q1 p$ d4 e$ V9 v; ?( p
n add a new partition
1 p: a9 W8 K( i$ x' t9 A o create a new empty DOS partition table
, O( N0 b) {) B7 v* j p print the partition table
7 d2 a# k* R3 ~! ^& W: ^+ P q quit without saving changes
% U4 q/ z; q+ ^& P; K1 r s create a new empty Sun disklabel& t' j( d# A$ g. x$ v" [2 }
t change a partition's system id) N. G6 m+ X; E+ D
u change display/entry units) v) X, l) ]& w) T
v verify the partition table
' G$ W& w$ m. T% R U2 u! n/ I w write table to disk and exit# z! M) E; n& k0 C; t6 J
x extra functionality (experts only)
& A) Y6 D6 t/ _/ V2 p* q Command (m for help): n
9 }0 @ `6 t- C! m6 E Command action
4 T+ q2 Q) H) ?+ P# B/ c e extended
/ J; V; T0 c* f) s% }. I { p primary partition (1-4)5 d( Q/ ~3 f2 ^1 B2 V
p; B- Q4 J% _5 X" [' e+ ?* i
Partition number (1-4): 1
1 |8 ^) O: K1 \) T First cylinder (1-8322, default 1):
) y5 e& D: E# W2 m& [ Using default value 1+ {2 U+ j6 Y) g. { M2 {
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G& j5 \$ u. k' q7 V C, H
Command (m for help): p! E9 t: ^ U# N4 S7 a; d- v/ ]0 {
Disk /dev/hda: 4294 MB, 4294967296 bytes
/ R: w. E: d: q$ x( ~ 16 heads, 63 sectors/track, 8322 cylinders; Z0 P! K( z; y4 n
Units = cylinders of 1008 * 512 = 516096 bytes
: i9 X) d2 [5 z/ \! y" h w- r0 k Device Boot Start End Blocks Id System4 w8 J# D ]* g' w% X/ G- B' i
/dev/hda1 1 1000 503968+ 83 Linux& C) }; ^* d$ G& m! I
Command (m for help): w# j9 C6 x& Z9 P( X
The partition table has been altered!
0 d, P+ e5 X/ m Calling ioctl() to re-read partition table. T5 g1 m* A Y/ {, M
Syncing disks.- m1 s5 h+ N. x2 B" j w6 u
//格式化新分区9 J: B4 R+ X ^# @
mke2fs 1.32 (09-Nov-2002)
0 e4 V0 X3 M" `' k* Y. b: _ Filesystem label=
% A3 A( w, Q0 B, L OS type: Linux% E1 Q/ }' b/ c- K( ~' W0 L% l' Z
Block size=1024 (log=0)- }- f" L: a/ b" c
Fragment size=1024 (log=0)
, T* a# O( O5 k+ H 126480 inodes, 503968 blocks3 C5 I9 u8 [3 M, ~# j i/ l
25198 blocks (5.00%) reserved for the super user. H# I& r( y/ x: f) O: ~/ S) J
First data block=1
; F0 [3 L& u' I t( I 62 block groups9 a) z; S# i' H" a2 n& g
8192 blocks per group, 8192 fragments per group S! D$ R1 D# M1 z$ p* V7 P
2040 inodes per group% y; Q7 B6 ^- C; \8 F& J& F: e
Superblock backups stored on blocks:
: N- C5 T; D' p7 r% o0 o 8193, 24577, 40961, 57345, 73729, 204801, 221185, 4014099 Y1 @- |1 F: R! S# D. c
Writing inode tables: done
. b" m( U8 q7 e0 J" ]6 W( J3 s" i Creating journal (8192 blocks): done
' P& w9 t% d* { Writing superblocks and filesystem accounting information: done
& A$ o2 Q6 d2 }- `+ M g7 J This filesystem will be automatically checked every 30 mounts or6 A7 `% \! ]5 q3 h7 D% M
180 days, whichever comes first. Use tune2fs -c or -i to override.$ [2 l. Q: B* S1 j, @
文件系统 1K-块 已用 可用 已用% 挂载点
) U' @, ?2 O1 C/ j0 w1 ^/ `. \3 [ /dev/sda3 3723848 705992 2828692 20% /6 [2 \: @ `) }: Q! Q
/dev/sda1 101089 9274 86596 10% /boot
) m% C: n- j9 C none 14520 0 14520 0% /dev/shm6 S( v5 o4 C: ]- {; w
//挂上新分区- ]; `1 G, Y1 O5 x$ [2 _
- mount /dev/hda1 /home
1 h1 |' _& X0 s2 l3 H% I' M - df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点' `4 U, T/ g5 V. H; h0 E( q
/dev/sda3 3723848 705992 2828692 20% /' f- j, L) n3 v. u: [2 d% T V) Y1 K
/dev/sda1 101089 9274 86596 10% /boot) n/ B9 U/ Z& d/ n0 }/ S, I
none 14520 0 14520 0% /dev/shm- J- i* {& G: H
/dev/hda1 488006 8239 454569 2% /home' G3 P) F! t- z2 ?* A7 j
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自动挂载:
. c. `% v9 \, c- vi /etc/fstab) c4 B& q" e0 g$ L; ^3 G
0 P1 O) w. i4 a% \' J- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
3 T( u' K0 C# t B7 W s$ n - 6 Y) }7 B- L- b: c8 u+ m
- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:
+ p( {. {2 ?& H/ u% ^+ W- d- mount /dev/sdb5 /mnt/ljp1
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: r% J! i5 N2 m+ [6 t* O: I- mount /dev/sdb6 /mnt/ljp2
复制代码
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