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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)- g& e9 j2 H: |* ^2 S$ O
or: fdisk /dev/sdc (for the third SCSI disk)
2 {5 d7 H6 X, n0 B% t+ S or: fdisk /dev/eda (for the first PS/2 ESDI drive)7 z+ y5 P$ U5 S8 z
or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
4 A$ B6 V4 c. h( B ...
8 l7 ]* @ B+ F& Y0 N- df -k5 {9 z% s" ~3 Z% I4 ^7 M
- df -lh
0 b4 `' N/ m, ]$ k( o - 查看有几块硬盘:fdisk -l+ y; H) R# G r) o
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点, H; ]8 o( w( a% W% {+ j
/dev/sda3 3723848 705968 2828716 20% /
% B4 \' u8 J# ~" m) F /dev/sda1 101089 9274 86596 10% /boot
8 \ c+ W5 v- O, [. R none 14520 0 14520 0% /dev/shm
0 r; Q# S" k- }) b i 对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用% O- p& I# t, K7 @+ S
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel- @* m/ D |% m# I+ t+ A4 o! t& S
Building a new DOS disklabel. Changes will remain in memory only,
0 E. e2 R* E0 X# d2 q3 n9 N until you decide to write them. After that, of course, the previous
, Y( i- U; A$ [7 }1 F content won't be recoverable.- x" C. {4 _+ P Q) D8 S
The number of cylinders for this disk is set to 8322.
4 k3 G2 R+ E! `6 r6 `9 a There is nothing wrong with that, but this is larger than 1024,
7 P/ l* x5 J) K0 m+ l/ i+ F- L; k and could in certain setups cause problems with:
( u1 n; p! ]* n! V 1) software that runs at boot time (e.g., old versions of LILO)
8 P6 G/ i( z U+ G6 q 2) booting and partitioning software from other OSs, F$ _- \, N9 n0 z6 W
(e.g., DOS FDISK, OS/2 FDISK) q& o8 ^/ V9 X$ b
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
! V+ X" U# _; x Command (m for help): p
# `* Z" ~; @1 @ Disk /dev/hda: 4294 MB, 4294967296 bytes
1 R# S' Q, }9 z' s4 q 16 heads, 63 sectors/track, 8322 cylinders3 ?: H* q. n/ C# }! c3 ~
Units = cylinders of 1008 * 512 = 516096 bytes
2 `9 n! P# k9 ~4 u0 A6 p& } Device Boot Start End Blocks Id System. X! a* k0 S7 N" h+ U
Command (m for help): m
7 Z! Y/ Z$ y6 a# O9 } Command action
- J& h. m8 |: V, G+ Y( {2 T. E a toggle a bootable flag! E: M5 a5 }8 I% \0 L4 p2 O
b edit bsd disklabel
% A6 _/ Q( b- A8 b X c toggle the dos compatibility flag
" C8 J6 _5 A/ _5 X: G; q6 U d delete a partition
; V6 e; n) d7 B( D" c- _" C7 j l list known partition types
' i" M5 w. K/ o' Z9 ^% Z m print this menu
8 B3 V; H5 T8 |, N n add a new partition
6 ^+ @( a* I7 A, L& S/ Z3 u1 K& Y6 B o create a new empty DOS partition table! S8 R. U! v- a$ U+ p7 e
p print the partition table
4 [, v) Q- _# M4 v+ R q quit without saving changes
# Q, n* F& |2 w( ^ s create a new empty Sun disklabel
! Y. g4 v. ]& X/ U! u t change a partition's system id
5 S: s' a2 K# r, g( ^2 C u change display/entry units
: ~. q! b/ I* \" s v verify the partition table) o9 {, Y0 z6 H$ [
w write table to disk and exit9 i8 n1 U- c, a* c3 F+ w) a
x extra functionality (experts only)8 Q* G& F5 P% r# h* N& }4 ]
Command (m for help): n; u+ e( v( [& ^7 B6 \) d( k
Command action! ?$ f/ [2 ~! k6 X' y
e extended8 \; T* |4 f4 d% H8 ]
p primary partition (1-4)
% G& N7 u+ K1 R1 M p
5 _1 h$ x4 C" N' } Partition number (1-4): 1( ^) d% p6 p I9 U
First cylinder (1-8322, default 1):
4 a& @. h' x( l" ]% z, B Using default value 1. C7 e- [0 B- ?$ k8 j4 l) f; y& q! O
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
0 x& B+ u7 e: s0 H Command (m for help): p% _7 F/ K) R2 [' e! ^
Disk /dev/hda: 4294 MB, 4294967296 bytes
% y. p Y$ I& A d# G 16 heads, 63 sectors/track, 8322 cylinders& Q1 S9 P n8 ?
Units = cylinders of 1008 * 512 = 516096 bytes- d j9 t. O R& Y j9 y
Device Boot Start End Blocks Id System8 h0 I0 s1 \( M) k2 N2 e6 P
/dev/hda1 1 1000 503968+ 83 Linux O v9 a/ l& o1 L; M
Command (m for help): w
! Y" N' ]. y0 L' ~+ x* O5 v8 U' i The partition table has been altered!
1 s6 Z- o' @ s- q3 J, O Calling ioctl() to re-read partition table., y, L( v T# x. c6 a; t
Syncing disks.
, @: b( v) x% e, z/ o$ Z# @8 Q8 u8 g f //格式化新分区
p1 y, q" @7 V! w, O# _ Kmke2fs 1.32 (09-Nov-2002)
+ I0 w) n; S9 \1 t Filesystem label=
& C! k3 L8 v0 F, z' [6 e9 o OS type: Linux
* u- }8 x, ?, ~- R6 M$ j; J, u S3 w+ Z Block size=1024 (log=0)
8 Y' A# G# u( B: V1 z' x5 A% p! { Fragment size=1024 (log=0)+ p1 R" Z- q0 d' [/ j* z
126480 inodes, 503968 blocks1 C: S" q2 E, U% ?" H
25198 blocks (5.00%) reserved for the super user
8 \& q" h* A: H# G First data block=1
' X& W8 o, d2 F- c3 T# E 62 block groups
' r& H1 t2 n5 u7 b+ L* \ u 8192 blocks per group, 8192 fragments per group# R/ A* Z/ V* X& ?
2040 inodes per group
4 _; G. x" H$ o Superblock backups stored on blocks: 6 w+ }/ m c7 z
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409! Q) B. C- J0 b
Writing inode tables: done , a( W# M7 _% n' l
Creating journal (8192 blocks): done
; e n! C j! i6 q, X/ x! l Writing superblocks and filesystem accounting information: done( T: V4 O" p4 K. \. H! ?1 g8 Q5 V
This filesystem will be automatically checked every 30 mounts or
# S: N5 b" Q8 \# v/ q, K& ~ 180 days, whichever comes first. Use tune2fs -c or -i to override.+ @* ~0 h0 W+ U' V
文件系统 1K-块 已用 可用 已用% 挂载点! Q. o: B5 h! R7 Q# p8 @
/dev/sda3 3723848 705992 2828692 20% /2 V* R( R( \1 P" j) M' {' z; Y
/dev/sda1 101089 9274 86596 10% /boot. o/ t( j* e( u% ]; C5 u& F) K) s
none 14520 0 14520 0% /dev/shm
7 o! F O' W+ e: o/ ]6 ~! [ //挂上新分区
: D7 ^- p. j. T# e! w& K- mount /dev/hda1 /home
/ K' Q& X+ Q# ~3 d ~ - df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点4 ]% ^" H5 w* p( s; ]
/dev/sda3 3723848 705992 2828692 20% /
6 p( R% K) E3 x+ V9 B/ Q: ]2 ^' v /dev/sda1 101089 9274 86596 10% /boot! e5 `$ O2 j& ]' X+ ]) Q5 c
none 14520 0 14520 0% /dev/shm' z/ z: y8 O# P" } i
/dev/hda1 488006 8239 454569 2% /home
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) B! \$ u$ F3 w( G! u B自动挂载:5 v c N/ i0 o$ j5 W$ _1 f
- vi /etc/fstab* |* i. B4 H2 S) V% H+ [
- - f& W2 `7 r$ ~% J8 V; d! F
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 08 r1 M! ?! d& t' W6 |8 a6 g8 J4 Q9 A
: E7 Q: A7 Y' k- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:1 |+ k. E1 W* ~8 T) r" }
- mount /dev/sdb5 /mnt/ljp1
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- mount /dev/sdb6 /mnt/ljp2
复制代码
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