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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
4 H0 ~1 H/ _( m7 k or: fdisk /dev/sdc (for the third SCSI disk)1 C5 m+ v. \2 t( ~1 t% i9 }/ f
or: fdisk /dev/eda (for the first PS/2 ESDI drive)
5 z1 @, i( I/ E1 g or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices). _7 n4 a. ]: s8 T" m$ n, S! J
...
- Y! O7 b) w7 G" T- df -k$ L' H0 s+ l$ }2 }0 g
- df -lh4 Y4 k' m" P' C" P# v( c( q1 S) |
- 查看有几块硬盘:fdisk -l
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复制代码 文件系统 1K-块 已用 可用 已用% 挂载点
4 q( i9 g. e3 D9 g; t) c4 t /dev/sda3 3723848 705968 2828716 20% /' I3 z" m6 u% m
/dev/sda1 101089 9274 86596 10% /boot( _ o% V8 l. V8 g
none 14520 0 14520 0% /dev/shm% }* R+ g' p/ I0 l" f' m) ~$ R
对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用: J( ?( O$ p5 [7 F+ s
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel3 t. u1 p# `2 T5 Y, k- D2 I
Building a new DOS disklabel. Changes will remain in memory only,
8 z. F: J, \- t) h$ ^/ ` until you decide to write them. After that, of course, the previous- K0 H5 y7 c" z1 n
content won't be recoverable.0 [, \; X6 U) B# C/ b, s" m9 f" v$ Z3 B; d
The number of cylinders for this disk is set to 8322.
/ G$ g' x2 Z9 {3 P There is nothing wrong with that, but this is larger than 1024,
9 p' g9 E5 a6 f1 [ and could in certain setups cause problems with:( @# \- w! A( t7 m, K2 h5 T
1) software that runs at boot time (e.g., old versions of LILO)* S1 F/ C0 h0 N' b2 D! y q1 H1 a
2) booting and partitioning software from other OSs4 N" o, Z9 N7 @* f/ p+ R- I
(e.g., DOS FDISK, OS/2 FDISK)
, y0 u! U) A9 b( o0 C- S$ ~ Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
@) O9 c( v% E+ j/ T, k8 I4 X4 p Command (m for help): p1 W2 O r, M! I0 J6 M
Disk /dev/hda: 4294 MB, 4294967296 bytes
% t0 `# g& s7 k, H, E! i( V: T6 v 16 heads, 63 sectors/track, 8322 cylinders
0 o- O Z6 X9 d: ?9 z, q' V Units = cylinders of 1008 * 512 = 516096 bytes
3 e; s( K* |3 v# z4 \2 m Device Boot Start End Blocks Id System
' y g j3 ?1 ^ R! H Command (m for help): m
. g: e! Z2 d# b5 P Command action
1 C- P9 }8 |- k& M5 u a toggle a bootable flag5 h0 V; A5 l( Q7 t
b edit bsd disklabel4 j1 u b3 R/ K, E m9 B* z
c toggle the dos compatibility flag
5 `2 J) \! J$ ~' G' ` d delete a partition/ M7 R7 O: P* c
l list known partition types% a0 q3 f0 f! {
m print this menu
1 ?. u7 v2 Z: Z n add a new partition. \" h; P8 G+ c! H0 l2 _2 n
o create a new empty DOS partition table
" [4 Q0 n6 K; w. D% C p print the partition table
4 t3 P! @! J/ H q quit without saving changes
% `5 C% a! [4 Q; w s create a new empty Sun disklabel
W- K& w- C/ P. @& Y9 g" k, u& n t change a partition's system id
/ M1 m0 L8 c6 l6 r n. j/ n& l u change display/entry units
5 e6 ]6 C0 n9 k v verify the partition table
1 U- @ T2 _# e7 L& \; b w write table to disk and exit) v" P; v5 q% f) m
x extra functionality (experts only)4 E2 D9 I4 _" x+ S5 `2 c% w; f; ]" R
Command (m for help): n7 O8 k& A& Y" P& w: x# Q7 G
Command action$ i7 n$ B! F! K. [4 O0 K/ w# X
e extended+ p; B6 g2 G4 K2 Z& S
p primary partition (1-4)( r9 Q. {4 O3 v! z% ` i3 f. ?9 T
p
8 v+ d B3 O/ [3 D, @ Partition number (1-4): 1
1 E; h! \5 F9 K5 M* R First cylinder (1-8322, default 1): ! W8 ^# q" N, G
Using default value 12 v- [3 ?! C( |% V2 W
Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
. _# N" a- j( @ Command (m for help): p
+ s- P/ |: a9 _8 a# n, [7 l Disk /dev/hda: 4294 MB, 4294967296 bytes' m4 [, T% e! ^6 I8 j
16 heads, 63 sectors/track, 8322 cylinders4 m! O4 {& B& ^& N0 e/ P" O9 ]( @
Units = cylinders of 1008 * 512 = 516096 bytes
+ Q9 w' A" C& }' F Device Boot Start End Blocks Id System, r- W9 _' P u% K! U; p! [
/dev/hda1 1 1000 503968+ 83 Linux3 H7 J9 o5 V1 k% o1 j
Command (m for help): w% v) ~" g0 E, J# B) K: }- O. l+ |
The partition table has been altered!
: d3 Z" H" o/ _) n$ g1 R N1 i Calling ioctl() to re-read partition table.4 c* ~8 t$ k& S) t
Syncing disks.
$ g. p# s4 t: u* r$ L: V //格式化新分区
X0 `) ~/ H0 i+ T' }; y2 j; \mke2fs 1.32 (09-Nov-2002)
: [' h4 `4 P& P7 I2 Y Filesystem label=) m) P" l+ h* n' A, x
OS type: Linux
$ l, u( _& E" [% p3 m$ {) V3 C: C Block size=1024 (log=0)9 y- Y F! v9 T! `1 Z- z2 ~
Fragment size=1024 (log=0)' M1 L: i( U7 k. H2 N& }) Q( U
126480 inodes, 503968 blocks
8 y" Q \& b c 25198 blocks (5.00%) reserved for the super user
& F- y6 L- _2 ]( B First data block=17 i2 G2 [6 L# d1 ~; h# }
62 block groups
H! y2 h- S r$ N0 z; `+ A 8192 blocks per group, 8192 fragments per group+ V9 }0 I3 a, |0 v8 g
2040 inodes per group {2 w" S& j0 N0 b& J" a- }
Superblock backups stored on blocks: ' k( F/ E7 k' M( c; v
8193, 24577, 40961, 57345, 73729, 204801, 221185, 4014098 L( M, ?+ i! ]8 ~! [5 b- \1 p
Writing inode tables: done
4 G' ^- ]! T2 m% j+ s( g* y# ~# L# { Creating journal (8192 blocks): done
; g ?) Z, ^+ G( o% h, w Writing superblocks and filesystem accounting information: done4 g$ Z$ j) L' W. k$ s9 c7 s
This filesystem will be automatically checked every 30 mounts or, c) R% }) ~# l! F" {
180 days, whichever comes first. Use tune2fs -c or -i to override.: X. K: k1 }0 }1 Z- q
文件系统 1K-块 已用 可用 已用% 挂载点
4 T+ ?/ ^- v2 W! F: D2 \* z: o /dev/sda3 3723848 705992 2828692 20% /
: Y x/ x8 N/ D- T /dev/sda1 101089 9274 86596 10% /boot
( b6 o5 C( @# u# E2 T1 u0 i0 o none 14520 0 14520 0% /dev/shm
) g, k; u: f7 N+ Q; Q4 V- E //挂上新分区% D" h4 _" R' k: U( C1 l# x
- mount /dev/hda1 /home
0 _& C) f* K& P8 g5 Z& Q - df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点( p4 s7 X3 b* e* O
/dev/sda3 3723848 705992 2828692 20% /* l1 c7 l/ c/ J: Q( f0 V& x
/dev/sda1 101089 9274 86596 10% /boot6 b8 t" s6 l3 _; x8 Q! U( l
none 14520 0 14520 0% /dev/shm
8 {! [/ a& A% u; q9 i /dev/hda1 488006 8239 454569 2% /home7 \/ i, Y; _& s" L$ l
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自动挂载:6 [9 X9 w& E: m8 ~- D# t F) A
- vi /etc/fstab
- p! t J, ^7 i% D- q% \9 C/ j3 w - " ]5 K/ _0 A( }5 ^$ a
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 09 U1 u) q! ?: {$ W4 \( _
- R5 z: M6 s ~ a+ L- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:
, N. }. z, y: T5 y- ^: `! E+ R- mount /dev/sdb5 /mnt/ljp14 ?6 F. J X& H4 O
8 P% l& _3 k0 {' f- mount /dev/sdb6 /mnt/ljp2
复制代码 & k8 ?; m8 c; C
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