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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
/ w7 Z1 [0 ]3 u$ U9 i' n or: fdisk /dev/sdc (for the third SCSI disk). c. D0 L2 y! x) B2 w. f# g& x* \
or: fdisk /dev/eda (for the first PS/2 ESDI drive)
3 |/ f, l5 R6 }: w7 F; l) a" V or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
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- df -k
) S) t" l- D" i! G/ L - df -lh
. d6 P y' d/ b - 查看有几块硬盘:fdisk -l) `. ^) _. @( P: X" v2 _
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点1 G/ e [; O4 \* ~
/dev/sda3 3723848 705968 2828716 20% /1 \- Z# L5 }7 v
/dev/sda1 101089 9274 86596 10% /boot
3 f* _3 O- r5 I" J none 14520 0 14520 0% /dev/shm
3 o; S9 J; b5 z9 K* i, Q2 } 对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用
3 T9 h' y9 b J2 P3 Z+ U6 LDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel D- k3 F* I& o) E4 G5 w
Building a new DOS disklabel. Changes will remain in memory only,% ?2 o! y [$ M) Z9 O* D5 v9 J
until you decide to write them. After that, of course, the previous
9 C. N: h' Q, o3 V& W. j content won't be recoverable.
; s( j( B" K4 w The number of cylinders for this disk is set to 8322.# @; A: D+ i! N# |& B
There is nothing wrong with that, but this is larger than 1024,
1 U' {, f0 S n% B* M, d$ l0 ~ and could in certain setups cause problems with:: ~ M" o( I o
1) software that runs at boot time (e.g., old versions of LILO)1 k& f6 a, f4 M
2) booting and partitioning software from other OSs4 B8 l- q* B$ Q) u
(e.g., DOS FDISK, OS/2 FDISK)3 o5 ~- q+ A, a, W& v
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
1 \% O! j. g- L M3 z: M Command (m for help): p
! }4 ~) I, |, I) R3 y Disk /dev/hda: 4294 MB, 4294967296 bytes6 d; s9 ^9 ~7 P% S. n8 G$ k
16 heads, 63 sectors/track, 8322 cylinders1 {1 p9 y: p8 ]# _1 T2 e
Units = cylinders of 1008 * 512 = 516096 bytes+ F8 _' R+ h# ]8 {0 U$ x" |* Q
Device Boot Start End Blocks Id System4 ?7 V: H3 _2 \ K8 o
Command (m for help): m( s# ]3 e4 i2 f; X
Command action1 Y) c3 @# b* q. I1 Z% A1 ]
a toggle a bootable flag1 g. d* r# _! s b
b edit bsd disklabel
! n3 x9 X( D, N" n8 M+ A c toggle the dos compatibility flag
3 T+ _& b( V* K; h- ^) j: Y d delete a partition
1 @* K, N: J& C5 S* Y' j6 X l list known partition types
- F) }- {- m4 x8 f6 L m print this menu3 a( H8 g) V6 h2 J
n add a new partition) ]$ k3 a1 }, E- R3 x4 z
o create a new empty DOS partition table
, Y7 h' }4 o( p7 F p print the partition table, T* q+ q! J% b! A# n/ O
q quit without saving changes
& M4 l; G' n2 w* [* B s create a new empty Sun disklabel. V4 m" b% T$ E$ m6 x2 f) K8 s
t change a partition's system id
* {, m4 B7 q8 O& t u change display/entry units
# r; x3 x3 N2 { L: [6 P R q6 d) }) ` v verify the partition table( R' f* b+ D% v. i3 C
w write table to disk and exit) W' T [$ d& l7 w$ ]6 |9 N
x extra functionality (experts only)
& r2 v( Z5 v, x' i Command (m for help): n
, A: a, e" Y" G" Q$ W# z* R; l1 y Command action S8 f4 Y& v* r' w" J* `
e extended! h2 h" T8 {1 s% }
p primary partition (1-4)9 {1 v3 v$ P8 c# V( K' f
p% b. ?: E0 f# N' D
Partition number (1-4): 1
8 g$ n a7 H4 Q( ~6 v; I) m8 E First cylinder (1-8322, default 1): 4 t1 x+ a" _4 s
Using default value 17 J4 ?- _1 o, T% U
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
4 s: L* b2 n$ M% B0 W) W" U Command (m for help): p$ D; s2 r9 Q9 @1 B8 t# j8 Y# f/ r
Disk /dev/hda: 4294 MB, 4294967296 bytes+ r/ J( \2 T* w* r3 r2 D- n
16 heads, 63 sectors/track, 8322 cylinders, x" O X0 Y1 o+ c/ _5 o$ X
Units = cylinders of 1008 * 512 = 516096 bytes' H* h# M" @# [; C; l4 N3 }
Device Boot Start End Blocks Id System! P( m4 Y8 l( ?) p
/dev/hda1 1 1000 503968+ 83 Linux
7 D/ n* s$ G8 k8 v Command (m for help): w/ u7 w6 |; ^4 E6 \! u) h! l
The partition table has been altered!+ X# i1 u. P* _0 U' H, `
Calling ioctl() to re-read partition table.1 [' a8 R5 d; S) g/ @) S
Syncing disks.. A& ]: T" Y2 S% R1 W- t. G
//格式化新分区 F8 J) Q; z7 u8 g
mke2fs 1.32 (09-Nov-2002)
5 D5 U4 y) x! j5 { D8 P) [ Filesystem label=. \+ l- A# b) E- L7 t4 @ |
OS type: Linux
- E& x( u) g2 o& W, K! Q Block size=1024 (log=0)
& z3 C! }0 F. C Fragment size=1024 (log=0) |/ B8 |3 s8 {4 z& m
126480 inodes, 503968 blocks
* {) N J$ d. i 25198 blocks (5.00%) reserved for the super user/ }7 J" S; J. {! S' b
First data block=1; J' \, o; W; W% W/ i
62 block groups( x* m3 v0 T7 R* F5 y
8192 blocks per group, 8192 fragments per group
) W# n9 {5 D$ C, P1 s& N# I. B 2040 inodes per group
# `4 J* X* M! q4 s2 V& p Superblock backups stored on blocks:
( f3 J3 h1 \# W! i" F 8193, 24577, 40961, 57345, 73729, 204801, 221185, 4014090 B0 K; [) m/ y1 M: N# s- y
Writing inode tables: done
6 J8 y; L2 {% U# H1 t8 R5 {: Q Creating journal (8192 blocks): done
, I) k ?+ r4 S; I Writing superblocks and filesystem accounting information: done' E; z' e+ ~' l2 S
This filesystem will be automatically checked every 30 mounts or) K. s! g) h5 G8 Q
180 days, whichever comes first. Use tune2fs -c or -i to override.
, f2 D0 L/ d1 d5 O9 ]$ @6 T文件系统 1K-块 已用 可用 已用% 挂载点* w9 Y' g. L; l4 P
/dev/sda3 3723848 705992 2828692 20% /6 j5 A0 r' n1 z: H& R
/dev/sda1 101089 9274 86596 10% /boot! O+ Y J+ [. m' c# S+ U
none 14520 0 14520 0% /dev/shm
2 @/ V5 {, E% `* W //挂上新分区
$ h( D4 U( J5 n' z- mount /dev/hda1 /home1 y l$ x# O X$ u5 {3 \" @- }
- df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
k' ?% B% W3 I5 V' b$ [# O* x! i /dev/sda3 3723848 705992 2828692 20% /0 R3 T2 m: k+ Q+ M* b) z! t
/dev/sda1 101089 9274 86596 10% /boot) p3 u* g* a7 e
none 14520 0 14520 0% /dev/shm- u4 f) l5 T! c; B
/dev/hda1 488006 8239 454569 2% /home
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7 `& y2 ^! J. m: C( E自动挂载:. Y1 c. j0 o! z& C
- vi /etc/fstab+ ?1 I7 |% o0 x. D3 c$ o
- 3 o4 b* U0 d" Y* T; n+ s. Y, `
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0+ C, \+ Q8 n4 E' _9 G q
- $ a4 d$ S5 u6 X) l
- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:5 a& P6 ^4 H8 J% N3 p0 ?
- mount /dev/sdb5 /mnt/ljp19 ]7 {2 @8 }% _: c
- 2 U. j+ c/ r R
- mount /dev/sdb6 /mnt/ljp2
复制代码
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