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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)3 ]3 u6 k- n! c3 @' h9 n
or: fdisk /dev/sdc (for the third SCSI disk)
! G0 x6 K8 m+ K( S6 | or: fdisk /dev/eda (for the first PS/2 ESDI drive)" w( Z8 Y- P/ v+ I; i- ^: Y
or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
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- df -k1 v( h5 K- o L) u6 T# x' y/ v
- df -lh
% }) S$ w* T, w: U3 X - 查看有几块硬盘：fdisk -l( N1 ?6 H ~. x4 T( z' B& q
' ?0 k" @6 Q$ Z& b& {2 M /dev/sda3 3723848 705968 2828716 20% /
" O7 o% Q5 I5 t& t /dev/sda1 101089 9274 86596 10% /boot1 z4 F$ a$ t2 b0 F+ D
none 14520 0 14520 0% /dev/shm
6 h- ^1 x/ _; `% V% ^" V 对新硬盘分区，4G硬盘中划出1G作为新分区。给/home使用
: Y6 p& P* b9 e. fDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel" L7 A) C8 m- b) s% D
Building a new DOS disklabel. Changes will remain in memory only,
/ `4 I5 U; N- L" B. O until you decide to write them. After that, of course, the previous" `" L, Z2 \+ m% A8 g$ s
content won't be recoverable.
# s4 X1 z0 v* a" O3 _ The number of cylinders for this disk is set to 8322.
5 q, j7 P. z# C1 c+ d There is nothing wrong with that, but this is larger than 1024,- f9 @" L7 G' K! `8 B, R( p6 t
and could in certain setups cause problems with:
+ X! u9 V: O% H! b! s, ~& E 1) software that runs at boot time (e.g., old versions of LILO)
8 ^$ V- g! D7 u7 V; l& X0 Y 2) booting and partitioning software from other OSs
1 X5 I6 ]& k8 T0 U4 U (e.g., DOS FDISK, OS/2 FDISK)
4 A& c" Q% q B5 X Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite). W; R8 i: |& n Y Q/ N3 q
Command (m for help): p, D9 v0 }4 i3 r3 q! C8 D
Disk /dev/hda: 4294 MB, 4294967296 bytes
1 Q0 d- }& H _- F 16 heads, 63 sectors/track, 8322 cylinders
& n, H- @. p& Z9 g Units = cylinders of 1008 * 512 = 516096 bytes
i7 j! s( y, l( V1 U- ~5 w5 L$ Y Device Boot Start End Blocks Id System
' g- [/ M% J, Y4 R Command (m for help): m3 G- {' X9 w' T9 V
Command action, p- M+ m$ `0 C/ \# c
a toggle a bootable flag8 C% u5 Y6 v$ ?( s8 X& W8 L
b edit bsd disklabel
/ L8 v/ c0 m8 M3 [; ^6 R$ r c toggle the dos compatibility flag! x' e: J! V+ K, A, O
d delete a partition
: h/ V/ f0 R% R9 _8 Z l list known partition types/ k( x* }5 @) i. B" o; X0 _
m print this menu
2 U$ k1 w- u3 Y X n add a new partition X& R. D" Q3 v4 B
o create a new empty DOS partition table
6 @" [7 X* G2 v I5 D) _5 T p print the partition table
. F' ?7 \4 l1 `. F2 \: E q quit without saving changes' x' U8 P2 X+ H K9 l9 v& Z
s create a new empty Sun disklabel
, _3 I7 b$ ?( S4 _ t change a partition's system id
B) @* O9 f9 \' b# ]. l u change display/entry units0 Q7 Y, T J9 v, H$ T
v verify the partition table
4 I- S; c$ O" o, n w write table to disk and exit' H" v w/ l0 z
x extra functionality (experts only)
2 `8 A f4 L# v, z, C+ w; j3 g Command (m for help): n
5 {8 m& [& z7 ~3 i5 r$ d1 A* ~2 c Command action
z+ w7 A6 k, n% M G e extended
7 ~' ~4 m7 V$ ^: F' R4 O: K5 M! h) \ p primary partition (1-4)
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Partition number (1-4): 1; `+ Z% Y4 m, ^* {$ c- m
First cylinder (1-8322, default 1): 4 Z Z$ Y+ \, i4 x& W0 J: z* [, g0 j
Using default value 1
2 Y* Y& B/ \- E$ b" F) c Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
9 g# s& v- x- U- X# v) ^6 W Command (m for help): p
) }; W* [$ V' C5 h8 W- F k9 P Disk /dev/hda: 4294 MB, 4294967296 bytes
0 b9 }( h2 N, C! _+ v: n1 T 16 heads, 63 sectors/track, 8322 cylinders
$ ?% m |) j4 Y `, L) T7 H+ Q Units = cylinders of 1008 * 512 = 516096 bytes
% F$ S+ s, M- u9 G" d( z& J Device Boot Start End Blocks Id System
9 L2 p1 t& o9 H( `) F /dev/hda1 1 1000 503968+ 83 Linux; V* d2 c( o! P
Command (m for help): w% T+ O. W3 t6 V' r
The partition table has been altered!. Q+ L. x7 E; y! \; a
Calling ioctl() to re-read partition table.9 s# x" A8 P9 F. _1 q, _
Syncing disks.
( z( l( F& i, P1 C //格式化新分区# [7 T; I1 B3 {* {
mke2fs 1.32 (09-Nov-2002)
& J. N; J# d& q5 F Filesystem label=
4 e8 i/ I7 c. p; T, z0 I OS type: Linux
$ f! |! w9 a, I! M; k8 r, X( x9 W Block size=1024 (log=0)
6 L t* C" F! z% | Fragment size=1024 (log=0)
- L8 {% r# L- I' g; R 126480 inodes, 503968 blocks
) e P# f" v6 W1 }* H5 U 25198 blocks (5.00%) reserved for the super user
8 C$ h. y: i7 D2 V& w5 U4 V" j6 ] First data block=1
. s: ^0 S- r1 ]: `" W: t 62 block groups; h3 A: r+ _! G
8192 blocks per group, 8192 fragments per group
% `; K! B: |3 w* z6 _ 2040 inodes per group- g0 _! {6 P0 K8 D* c
Superblock backups stored on blocks: - u9 X0 X3 K c0 L8 D; C
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409! g3 y& |2 T5 x4 x
Writing inode tables: done
4 I0 G) Y$ x8 f& w' X8 O& _ Creating journal (8192 blocks): done" @' R* S; ] ]) p
Writing superblocks and filesystem accounting information: done7 T8 l0 A' _5 b* s: `" }4 r/ v
This filesystem will be automatically checked every 30 mounts or
7 u: @5 h- d j; o( @/ W2 G 180 days, whichever comes first. Use tune2fs -c or -i to override.
" S+ u: i# t6 u3 P' j6 X8 R. Y文件系统 1K-块 已用 可用 已用% 挂载点
* ?0 T( V% Y4 B$ c# A+ | /dev/sda3 3723848 705992 2828692 20% /- v* w- H% h" d# _( g: U& ?
/dev/sda1 101089 9274 86596 10% /boot: M6 l; z* }$ u- x" X
none 14520 0 14520 0% /dev/shm
- x) k, }4 ~) W3 q* u' m5 @ //挂上新分区
; L4 \% U) h4 y: l& I- mount /dev/hda1 /home. K# p1 S$ L# a; O4 m X8 A
- df -k
/dev/sda3 3723848 705992 2828692 20% /3 } _% }, Z( P
/dev/sda1 101089 9274 86596 10% /boot$ q' G, T0 Y: B- M! E N& ~
none 14520 0 14520 0% /dev/shm
7 ?6 W# s) E* @' I) x% W9 A$ K; p /dev/hda1 488006 8239 454569 2% /home
# I3 X6 F) I3 U/ p3 {$ Y3 [) H/ G/ Y" w2 I }& v
自动挂载：
6 `* n+ t/ Y, M- v: ]9 u- vi /etc/fstab
+ g; G4 x( U% b+ o: B* E( x) W - ' j+ d& L' }" \( e
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
4 {5 L( `2 E0 d _2 B; l
! ~* s& a/ U9 X( U) d% s7 P- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
0 m0 x9 z7 b& v6 L ~5 [- mount /dev/sdb5 /mnt/ljp14 b* ]9 g/ S( T$ i7 B! P
- / E2 \5 A% j4 O# e5 O
- mount /dev/sdb6 /mnt/ljp2
$ C3 m& D2 I6 o3 C4 ]# G" u
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发表于 2014-2-9 19:20:26