Linux ½Å±¾ÖеÄС¼¼ÇÉ
1. java ... > log.out
½«Java³ÌÐòÊä³ö ±£´æµ½ log.out Îļþ
2. java .... >>log.out
ÓëÉÏÒ»¸ö²»Í¬£¬Õâ¸öÊÇ×·¼Óµ½Îļþ£¬¶ø²»»á¸²¸ÇÔÓÐÊä³ö.
3. java .... >>log.out 2>&1
ÔÚJavaÀï(ÆäËûÓïÑÔÒ²Ó¦¸ÃÒ»Ñù), ³ÌÐòµÄÊä³ö·ÖΪ ±ê×¼Êä³öÁ÷ºÍ´íÎóÊä³öÁ÷£¬ 2>1& ÊÇÖ¸½«³ÌÐòµÄ´íÎóÐÅÏ¢Êä³öÒ²Êä³öµ½¿ØÖÆÌ¨£¬
4. $! »ñµÃ½ø³ÌºÅ
java .... &
echo $£¡
¾Í¿ÉÒÔ»ñµÃÕâ¸öjavaµÄ½ø³ÌºÅÁË
5. $? »ñµÃ·µ»ØÖµ
java.... &
echo $?
¿ÉÒÔ»ñµÃ³ÌÐòµÄ·µ»ØÖµ
Ïà¹ØÎĵµ£º
ǰЩÈÕ×Ó£¬ÔÚ²Ù×÷Êý¾Ý¿âʱ£¬ÐèÒªÖ´ÐвÙ×÷ʱ¼äºÜ¾ÃµÄsqlÓï¾ä¡£µ«Êǵ±Ê±¾ÖÓòÍøÍøÂçÇé¿ö²»ºÃ£¬¾³£·¢ÉúµôÏßµÄÇé¿ö¡£
´ËʱÐèÒª°ÑÖ´ÐеÄÓï¾ä¼ÓÈëµ½oracle·þÎñÆ÷Éϵĺǫ́½ø³ÌÖУ¬È¥Ö´ÐС£²Ù×÷¹ý³ÌÈçÏ£º
1¡¢Ê×ÏȰÑÐèÒªÖ´ÐеÄsqlÓï¾äд³É½Å±¾£¬´æ´¢µ½sql.sqlÖС£²¢·ÅÖõ½Êý¾Ý¿â·þÎñÆ÷ij·¾¶ÏÂ.
2¡¢Ö´ÐÐÈçÏÂlinuxÃüÁî¼´¿É£º
&nb ......
ÔµØÖ·£ºhttp://selftest.51cto.com/subread.php?sid=213
×Ô²â¼ò½é£º
ShellÒ²½Ð×öÃüÁîÐнçÃæ£¬ËüÊÇUnix/ÀàUnix²Ù×÷ϵͳÏ´«Í³µÄÓû§ºÍ¼ÆËã»úµÄ½»»¥½çÃæ¡£Óû§Ö±½ÓÊäÈëÃüÁîÀ´Ö´Ðи÷ÖÖ¸÷ÑùµÄÈÎÎñ¡£µ±È»Î¢ÈíµÄWindows²Ù×÷ϵͳҲÌṩÁËÕâÑùµÄ¹¦ÄÜ£¬ËüÃÇÊÇWindows 9XϵÄcommand.com£¬ºÍ»ùÓÚWindows NTµÄ¸ ......
ϵͳÖÐÄܹ»Ëæ»ú£¨²»ÐèÒª°´Ë³Ðò£©·ÃÎʹ̶¨´óСÊý¾ÝƬ£¨chunks£©µÄÉ豸±»³Æ×÷¿éÉ豸£¬ÕâЩÊý¾ÝƬ¾Í³Æ×÷¿é¡£×î³£¼ûµÄ¿éÉ豸ÊÇÓ²ÅÌ£¬³ý´ËÒÔÍ⣬»¹ÓÐÈíÅÌÇý¶¯Æ÷¡¢CD-ROMÇý¶¯Æ÷ºÍÉÁ´æµÈµÈÐí¶àÆäËû¿éÉ豸¡£×¢Ò⣬ËüÃǶ¼ÊÇÒÔ°²×°ÎļþϵͳµÄ·½Ê½Ê¹Óõė—ÕâÒ²ÊÇ¿éÉ豸һ°ãµÄ·ÃÎÊ·½Ê½¡£
& ......
Ò»£®ºËÐÄÔ´³ÌÐòµÄÎļþ×éÖ¯£º
1£®LinuxºËÐÄÔ´³ÌÐòͨ³£¶¼°²×°ÔÚ/usr/src/linuxÏ£¬¶øÇÒËüÓÐÒ»¸ö·Ç³£¼òµ¥µÄ±àºÅÔ¼¶¨£ºÈκÎżÊýµÄºËÐÄ£¨ÀýÈç2.0.30£©¶¼ÊÇÒ»¸öÎȶ¨µØ·¢ÐеĺËÐÄ£¬¶øÈÎºÎÆæÊýµÄºËÐÄ£¨ÀýÈç2.1.42£©¶¼ÊÇÒ»¸ö¿ª·¢ÖеĺËÐÄ¡£
±¾ÎÄ»ùÓÚÎȶ¨µÄ2.2.5Ô´´úÂ룬µÚ¶þ²¿·ÖµÄʵÏÖÆ½Ì¨Îª Redhat Linux 6.0¡£
2£®ºËÐÄÔ´³ÌÐò ......
·þÎñÆ÷£º
#include <stdio.h>
#include <sys/socket.h>
#include <unistd.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <time.h>
#define SERVER_PORT 20000 // define the defualt connect port id
#define LENGTH_OF_LISTEN_QU ......