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Usage: fdisk [-l] [-b SSZ] [-u] device E.g.: fdisk /dev/hda (for the first IDE disk)
2 l- {) n3 o& p. e or: fdisk /dev/sdc (for the third SCSI disk). y4 N3 T7 B0 Y$ c. `- i; R
or: fdisk /dev/eda (for the first PS/2 ESDI drive)
9 z9 E; v& z$ P: \, M or: fdisk /dev/rd/c0d0 or: fdisk /dev/ida/c0d0 (for RAID devices)3 j4 C" @# V+ n }% M( [- k
...
/ @3 e2 U' c; m$ K- df -k
+ G( X3 f" V8 l4 l$ j - df -lh) O4 K6 R9 o1 S1 W6 Z/ W
- 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
! {9 A3 X9 ^, t G0 a /dev/sda3 3723848 705968 2828716 20% /
# x& S. H% d I$ R& u" U% S6 R; G! i1 A /dev/sda1 101089 9274 86596 10% /boot
( o h ], _; I% {/ K none 14520 0 14520 0% /dev/shm* \' [ v8 P$ v+ @% ?
对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用
$ E# H- {* V: {Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
" s: f. O$ g* F: Q" K( z Building a new DOS disklabel. Changes will remain in memory only, n$ u; ~) E2 V5 I. R
until you decide to write them. After that, of course, the previous! b% \$ w. T6 N0 N4 C# C
content won't be recoverable.
6 [# T* I: m3 f% p ] The number of cylinders for this disk is set to 8322.) {9 j/ \7 q) _- r- K( I; p
There is nothing wrong with that, but this is larger than 1024,
( g6 K8 d. _1 h and could in certain setups cause problems with:4 m/ ?! R0 d/ _# j7 P4 F
1) software that runs at boot time (e.g., old versions of LILO)0 b5 T) `2 F9 |$ }
2) booting and partitioning software from other OSs ?1 ~* W o4 V9 p) y! h, L" t
(e.g., DOS FDISK, OS/2 FDISK)9 c1 A! d8 n0 X5 z$ H/ w% I0 W+ ^
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
$ O1 k% f0 p' \8 _5 I. T# G; Z4 [ Command (m for help): p
% y u. X6 }/ L: R6 r# A+ a Disk /dev/hda: 4294 MB, 4294967296 bytes
7 u8 [ F- m4 \- }+ Q' S- Y9 |/ m! w 16 heads, 63 sectors/track, 8322 cylinders! J1 l! C' u& B; d/ s9 ?0 k& C
Units = cylinders of 1008 * 512 = 516096 bytes$ r6 W6 G" g0 w( R6 v9 `
Device Boot Start End Blocks Id System
g6 F' c2 ] Y; m8 S Command (m for help): m T' [6 y% \/ I/ v( Q
Command action
* r+ C# ~, l, r; X" z' A8 {1 x a toggle a bootable flag
/ w2 Q) A2 L+ u" Q5 R# X' V3 v c b edit bsd disklabel. C- W8 o6 n% ?2 v t" [0 n; `
c toggle the dos compatibility flag- k& M s( k) W) q, b+ D* _
d delete a partition. W2 a5 c6 u) C4 w/ w: a7 n7 I- y
l list known partition types Z# q& R1 R" m. e' c: a
m print this menu
& D n* f* y; Y- b& C n add a new partition
8 a! p. Q1 L$ W5 k3 s- t" o/ d o create a new empty DOS partition table1 i% w1 [' h9 x* q
p print the partition table( E1 n4 X: T2 W. V# U1 n
q quit without saving changes
# G' ^! u( a# P s create a new empty Sun disklabel3 v) r& G5 a' v( X: l
t change a partition's system id
. T0 L' t/ r+ K4 Z8 z u change display/entry units
7 t! H+ ~: c" ^1 k% x% T v verify the partition table
1 k- W# C6 m/ J( @( A, f w write table to disk and exit
2 T* |# @- c: x; @9 O7 I4 H0 S3 G& y' A x extra functionality (experts only)6 v2 |4 u# Q# Q9 W6 ~
Command (m for help): n9 B. \9 ^, s& f) J
Command action
- f; R% c+ B$ G5 m& F1 t5 X Z e extended( s1 G$ p0 d. x7 h. g
p primary partition (1-4)( Z% e6 {' p9 U# B7 K: C$ F4 A
p$ w8 L/ _0 {. A% k
Partition number (1-4): 1
) u3 n& @' L3 i6 H First cylinder (1-8322, default 1): ( S, {! [1 E+ ~* J5 [, V# m
Using default value 1
0 I" c9 y$ L% U, { Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
7 g& x/ U3 E6 P5 M% X9 a Command (m for help): p# ?% s- q& m7 _: ?$ y$ k
Disk /dev/hda: 4294 MB, 4294967296 bytes# T# X5 Y8 }+ ^" z
16 heads, 63 sectors/track, 8322 cylinders
& j; }8 m. f1 L0 f2 `. T$ H- z Units = cylinders of 1008 * 512 = 516096 bytes D( Y5 i$ W8 p! \4 R3 v5 T. X
Device Boot Start End Blocks Id System# {, _. N* v- [
/dev/hda1 1 1000 503968+ 83 Linux
6 r9 |' Z0 x& [" E$ w4 { { Command (m for help): w
3 u+ [* v# Y' A9 A; {, i The partition table has been altered! k2 Z' a' o2 m
Calling ioctl() to re-read partition table.
1 g- q+ h. f T+ G2 ~* T7 S Syncing disks.1 R/ S+ H( O3 }
//格式化新分区( n3 y# _1 H% D2 Q* t) S) ?; u; h# H
mke2fs 1.32 (09-Nov-2002)
3 C: B; H3 |2 `: V4 ?, O% s Filesystem label=
. H% \ Z) R& R: C$ V a* I# D& Y" @, @ OS type: Linux
2 S( R) g8 ?$ j* B Block size=1024 (log=0)
5 Y1 H3 i2 g- A7 l* t; W Fragment size=1024 (log=0)
- G0 c2 J0 _7 o" V0 ?5 z! O3 l5 b# t 126480 inodes, 503968 blocks
7 l0 J) j0 S# R+ P4 \, h 25198 blocks (5.00%) reserved for the super user* M9 c$ K8 I$ q8 I$ w4 G) c5 T0 U; Z
First data block=1
' ?8 \. g0 [9 u( Q 62 block groups# M. S0 |/ p. A) b5 X2 }
8192 blocks per group, 8192 fragments per group
6 C0 A8 U# A3 u. C# i 2040 inodes per group
" K) w, J$ K( a, F6 ~$ Y& N Superblock backups stored on blocks: 2 [0 v( u1 a; E# p3 c) z# r4 x: e
8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409" Y0 k7 ?) f& b C7 y4 X$ h% z
Writing inode tables: done
; n' ?) |( L: `' u* L1 E Creating journal (8192 blocks): done
+ w7 U0 W6 r: k: B) w; l3 J Writing superblocks and filesystem accounting information: done# t+ y( d! a6 W& l) ?
This filesystem will be automatically checked every 30 mounts or
9 i, z# o3 o% ~( O2 a ?1 | 180 days, whichever comes first. Use tune2fs -c or -i to override.( _' _) ^. d' ~" z" d3 h: w- Q
文件系统 1K-块 已用 可用 已用% 挂载点
# {4 l) E1 d) _ /dev/sda3 3723848 705992 2828692 20% /4 N+ B5 J7 I: v0 \! i1 J
/dev/sda1 101089 9274 86596 10% /boot
0 p: {1 G+ a2 k6 f$ b none 14520 0 14520 0% /dev/shm1 s: x0 O6 W% [; P
//挂上新分区
1 y( q, v1 S/ p- mount /dev/hda1 /home
4 }) T" Z4 H/ S% S - df -k
复制代码 文件系统 1K-块 已用 可用 已用% 挂载点9 |. }# P) y* p) N# n; [' s6 v
/dev/sda3 3723848 705992 2828692 20% /
. Y. d6 _9 T0 O) i1 E5 M /dev/sda1 101089 9274 86596 10% /boot6 i3 f# I( a1 f7 \( i( g
none 14520 0 14520 0% /dev/shm! B% j) d! i5 J( _
/dev/hda1 488006 8239 454569 2% /home
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自动挂载:
, m" R8 n' i' E T' B- vi /etc/fstab
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- /dev/sdb5 /mnt/ljp1 ext3 defaults 0 0
# b# y% L! r, j& E3 ^ - 1 ] t c! d- }, J8 v
- /dev/sdb6 /mnt/ljp2 ext3 defaults 0 0
复制代码 手动挂载:
7 j5 g8 V7 o& C( g' z# g" p/ ?9 W- mount /dev/sdb5 /mnt/ljp10 p o) n7 i! X, M2 C5 w' D9 }- }
! m: T, R8 j @& ]3 A- mount /dev/sdb6 /mnt/ljp2
复制代码 9 [, J$ e. Q: ?" i: Z% w, G
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