|
|
Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
7 z8 [# K9 {* I, Y t or: fdisk /dev/sdc (for the third SCSI disk)
5 [, H/ l9 P" f5 \& R& F or: fdisk /dev/eda (for the first PS/2 ESDI drive)
# |9 \' M" P1 h: N w4 H* ^5 G or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)
, ^, ~1 t) A& V' R ...
! p; a+ F6 B2 [- df -k
& r, d3 c% U$ T& o; _$ F& X2 i - df -lh. q6 t5 B( h6 H4 \1 z4 G! p2 O
- 查看有几块硬盘:fdisk -l
* b/ S: o! |5 ~8 C; `% H4 S/ z4 I
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点8 Z- W$ v R m7 x
/dev/sda3 3723848 705968 2828716 20% /
% O6 z0 l) r \) Y1 y$ @ /dev/sda1 101089 9274 86596 10% /boot
! J; z8 Z2 \, ~" G+ e, {1 [* s! v none 14520 0 14520 0% /dev/shm( O- y3 z1 r% a) b* U8 {% |
对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用
! P# ?; Q$ `# ]Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel( ^' o" R- h. z$ B/ s
Building a new DOS disklabel. Changes will remain in memory only,/ H+ e2 B; `9 t' z. d% J! v# ]2 i
until you decide to write them. After that, of course, the previous* j8 }* v% M5 r* M6 D( H& W
content won't be recoverable.
; M& x$ m- k, D* z" h/ E The number of cylinders for this disk is set to 8322.
h+ A4 r( M, A' }( j6 i5 E There is nothing wrong with that, but this is larger than 1024,5 k+ y0 F) T) l4 y$ G4 J( R
and could in certain setups cause problems with:
' F( q5 Q6 q) v& A8 `- ^ 1) software that runs at boot time (e.g., old versions of LILO)" A5 l' \% C8 a8 _
2) booting and partitioning software from other OSs
9 a# F* F1 J# E) q% c. J (e.g., DOS FDISK, OS/2 FDISK)5 H& _5 f8 v- s3 Z/ _5 q4 h
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)1 \0 u) K1 W9 j% C
Command (m for help): p
9 ^ l% @& Z& ` Disk /dev/hda: 4294 MB, 4294967296 bytes7 n6 t; }7 d4 n( q) k* I
16 heads, 63 sectors/track, 8322 cylinders! R) J9 f g8 U
Units = cylinders of 1008 * 512 = 516096 bytes
2 O( I! i& T! F9 ` Device Boot Start End Blocks Id System
( j( g1 x: d. V9 } Command (m for help): m7 n8 a4 K3 H3 b/ v5 ^$ p
Command action
% V' J& _8 ~+ w6 I/ e& g. d' } a toggle a bootable flag. [2 P) X& K) Z5 c8 U% F! W, n
b edit bsd disklabel
! [: b# b8 w9 D+ [$ M c toggle the dos compatibility flag) M4 @: n* X! T; h4 d& I7 _% H
d delete a partition+ K- U5 t" Z! C; o0 U R
l list known partition types
$ K# U, h7 D: t% H2 o& x m print this menu# V) e& d4 T9 U. A) `
n add a new partition
' u" w) ?' C" D$ m( q o create a new empty DOS partition table
; }: c( j/ R( v1 [ p print the partition table A" E. v. l' h5 k/ t+ A
q quit without saving changes
, J. G" p) K7 ?! p s create a new empty Sun disklabel
9 z4 x$ f+ t& U6 |5 [ t change a partition's system id; x" `* T% i+ ~ l
u change display/entry units
" n2 P+ x1 f# L o% u$ C. _ v verify the partition table
& e4 |) i- S j$ X3 F+ ^ w write table to disk and exit
( k$ H8 R9 I" x& i% M x extra functionality (experts only)
8 n- x+ j" [; \. p7 F0 \ Command (m for help): n
8 l3 Z1 ~! R/ h% ~8 |. g8 E+ ~ Command action) v; h7 S9 c+ C) [
e extended' E7 {: N0 Z) W* ?0 Z
p primary partition (1-4). w# a2 E; m6 n/ r
p
* W* \4 d [' V4 H% `1 P Partition number (1-4): 1
# c. _8 z7 N/ d5 O. u First cylinder (1-8322, default 1):
) J. r! F, { x2 I1 ^ Using default value 1
+ X( w8 b$ `! F Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
" {8 Y K) t1 L0 p! F Command (m for help): p
8 a4 G- l3 ]/ B* f1 t- R% W Disk /dev/hda: 4294 MB, 4294967296 bytes
& y8 w7 W0 X- G1 H$ c 16 heads, 63 sectors/track, 8322 cylinders9 `. M4 A& d- t5 r& { H
Units = cylinders of 1008 * 512 = 516096 bytes
- K: J. w# J6 m" |- i' H, Z Device Boot Start End Blocks Id System4 P9 L& V3 h/ t8 v% B$ u# G8 X
/dev/hda1 1 1000 503968+ 83 Linux$ Z' l& R0 {( h; w6 _7 d
Command (m for help): w
8 x7 I: T" p7 a1 o& f3 X The partition table has been altered!( Y& F9 d/ o" J& y
Calling ioctl() to re-read partition table.! _' S1 X7 D2 P u9 w
Syncing disks.4 j) T' m& Y# r; |! N
//格式化新分区" Y @- K2 b0 F4 J2 e( ], l8 S
mke2fs 1.32 (09-Nov-2002)
" N+ V8 j5 n- ~; }; t( ?3 d Filesystem label=
( s* u, y( C# \ Y8 o OS type: Linux
) U' @' J, T4 S% @9 \) m Block size=1024 (log=0)
K% s* o; _4 J1 [0 Q' Z Fragment size=1024 (log=0)
) o3 \! c$ A. Z' ]0 M2 { 126480 inodes, 503968 blocks) |7 w- q: Q+ O& ^/ S w
25198 blocks (5.00%) reserved for the super user' h# n' v0 @& h$ v# B* N( O
First data block=1/ t) M6 b) Y) F
62 block groups3 a2 g$ {- I6 b/ o) x( m
8192 blocks per group, 8192 fragments per group
5 Z: i. i$ i# x; ] 2040 inodes per group: a5 P1 R/ U1 w( r/ B ?
Superblock backups stored on blocks: - n- I( B8 C$ x
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
) h9 m$ j' e! V0 U6 E Writing inode tables: done 6 Z+ R, B2 P6 z2 ~
Creating journal (8192 blocks): done$ p: |/ e5 E2 M' W7 @/ ~' P3 s
Writing superblocks and filesystem accounting information: done. f) b7 e) H# [) f+ P" ~
This filesystem will be automatically checked every 30 mounts or
. ?# l& m6 [% G) u 180 days, whichever comes first. Use tune2fs -c or -i to override., k5 Z: l8 g+ v- e6 `
文件系统 1K-块 已用 可用 已用% 挂载点
% b/ J- o4 ]- V# @ /dev/sda3 3723848 705992 2828692 20% /7 |; i3 x* n3 U9 H$ `& c* ~- j
/dev/sda1 101089 9274 86596 10% /boot
1 `& P) C% |, ^* D e: d+ m none 14520 0 14520 0% /dev/shm) c% ~. a2 v$ [+ h( c% }2 Y7 l9 ^
//挂上新分区
; `( a( Q9 u% T: D) ~& F' S- mount /dev/hda1 /home+ T7 D$ p6 d2 l, j3 F2 }
- df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点9 _ Y- `, b3 Y0 [
/dev/sda3 3723848 705992 2828692 20% /8 o" b' O# V; T
/dev/sda1 101089 9274 86596 10% /boot3 H, w- \7 d* ~# L
none 14520 0 14520 0% /dev/shm
+ E. i4 ~" m/ B2 }2 ` /dev/hda1 488006 8239 454569 2% /home
i" z% U) X* c: M3 {& ^% t, d. D/ Y/ v( b: ]+ ]# S+ M
自动挂载:+ `( h* Y* P# ~ i, v0 ^
- vi /etc/fstab6 r- L' N( _& v/ Z
- * L; E8 U' [3 Z& L; [- ~
- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 01 D# e. |, w& ~/ z5 W/ L2 |
- $ a ~3 g4 J+ ]7 u% w" X/ V& s% o
- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:
5 x w! ~- q. A0 g) U9 ?- mount /dev/sdb5 /mnt/ljp1) o9 B9 d0 ?# _" n+ x' v
P% y7 q- R* e3 O: E- mount /dev/sdb6 /mnt/ljp2
复制代码 5 o% ?$ w8 L1 m& O: k F
) O' z* v9 R1 E* Z8 k. R; l. p% M8 h. u1 [7 H8 b
|
|