LinuxÏÂÍê³ÉµÄÒ»¸ö×÷Òµ³ÌÐò
Îĵµ´´½¨ÈÕÆÚ£º2010-02-19
01 // P173: 2.±à³ÌÌâ (7)
02
03 // The beginning of C program: test06-07.c.
04
05 // Header files included.
06 #include <stdio.h>
07
08 // Macro definition.
09 #define MAX_SIZE 100
10
11 // No.1: Subroutine: float rounding ( float f_num );
12 float rounding ( float f_num )
13 {
14 long int temp=0;
15 temp = (long int) (f_num * 100);
16 temp = (long int) ((f_num*100 - temp)*2 + temp);
17 f_num = temp / 100.0;
18
19 return (f_num);
20 }
21
22 // No.2: Subroutine: void select_sort ( float list[], int size ); Ñ¡ÔñÅÅÐò×Óº¯Êý
23 void select_sort ( float list[], int size )
24 {
25 int i, j, min;
26 float temp=0.0;
27 for ( i=0; i<size-1; i++ )
28 &
Ïà¹ØÎĵµ£º
LinuxÎļþ²éÕÒÃüÁîfind,xargsÏêÊö
Ò»¡¢find ÃüÁî¸ñʽ
1¡¢findÃüÁîµÄÒ»°ãÐÎʽΪ£»
find pathname -options [-print -exec -ok ...]
2¡¢findÃüÁîµÄ²ÎÊý£»
pathname: findÃüÁîËù²éÕÒµÄĿ¼·¾¶¡£ÀýÈçÓÃ.À´±íʾµ±Ç°Ä¿Â¼£¬ÓÃ/À´±íʾϵͳ¸ùĿ¼¡£
-print£º findÃüÁƥÅäµÄÎļþÊä³öµ½±ê×¼Êä³ö¡£
-exec£º findÃüÁî¶Ô ......
Ò»¡¢»¨Éú¿ÇFor Linux°²×°²½Öè
¡¡¡¡ÏÂÔØÊʺÏÄúµÄunix/linux°æ±¾µÄ°²×°°üÎļþ,ʹÓÃrootÉí·Ý½âѹËõ°²×°°ü
¡¡¡¡# tar -zvxf phlinux-1.0-install.redhat.9.0.tar.gz
¡¡¡¡°²×°°üÎļþ½«½âѹËõÖÁphlinux_installĿ¼ÖÐ
¡¡¡¡# cd phlinux_install
¡¡¡¡Ö´Ðа²×°½Å±¾
¡¡¡¡# ./install.sh
¡¡¡¡Ö´Ðа²×°½Å±¾ºó,½«×Ô¶¯ÒÔ»¥¶¯ÅäÖÃÄ ......
Internet------(eth1)router1(eth2)------(eth1)router2(eth0)------(eth0)router3(eth1)------(eth0)pc
ÉÏÃæ¾ÍÊÇÎÒµÄÍøÂçÍØÆË½á¹¹£¬ÆäÖзÓÉÆ÷1ÊÇÓÃÀ´Á¬½ÓÍâ²¿ÍøÂçµÄһ̨linux»úÆ÷£¬Í¼ÖÐËùÓзÓÉÆ÷¶¼ÊÇÆÕͨµÄpc»ú£¬ÕâЩpc¶¼°²×°ÁËubuntu×ÀÃæÏµÍ³£¬³ýÁË×îÓұߵÄpc£¬ÆäÓàµÄpc¶¼×°ÁË3ÕÅÍø¿¨£¨ÆäÖÐÒ»Õű¸Óã©¡£
ÓÉÓÚDebianϵ ......
»¨ÁËÒ»¸öÖÜÄ©µÄʱ¼äÁгöÀ´µÄ¡£¹²Ïí³öÀ´£¬Ï£Íû´ó¼Ò»¨¼¸·ÖÖÓ¿´¿´¡£ÕâÒ²ËãÊÇLINUXϱȽÏʵÓõIJéÕÒ·½Ê½ÁË
which(ѰÕÒ“Ö´ÐÐÎļþ”)
[root@localhost home]# which [-a] command
-a : ½«ËùÓпÉÕÒµ½µÄÃüÁî¾ùÁгö£¬¶ø²»½ö½öÁгöµÚÒ»¸öÕÒµ½µÄÃüÁîÃû³Æ
·¶Àý£º
[root@localhost home]# which passwd
/usr/bin/passwd ......