Linux(Fedora)ÏÂÈçºÎµ÷Åä³öÆäËüµÄshell?
Linux(Fedora)ÏÂÈçºÎµ÷Åä³öÆäËüµÄshell? лл
ɶ½ÐÆäËûµÄshell?
Ö»ÒªÄãµÄϵͳÓÐÕâ¸öshellÖ±½ÓÊäÈëÃüÁî¼´¿É
±ÈÈçbash
Ö±½ÓÊäÈëbash»Ø³µ ¾Í½øÈëbash»·¾³
Èç¹ûÄãÏë¸ü¸ÄÓû§Ä¬ÈϵÄshellµÄ»° usermod -s shellÃüÁî·¾¶ Óû§Ãû
»òÕßÖ±½ÓÐÞ¸Ä/etc/password
ÊÔÊÔÂ¥ÉϵİÉ
Â¥Ö÷µÄÒâ˼bash²»¹»£¿
»¹Òªtsh csh?
ÄãÒªÊÇÏëÇл»µ½ÆäËüshell£¬Ö±½ÓÔÚshellµÄ´°¿ÚÀïÃæÇþÍÐÐÁË
Èç¹ûÏëÐÞ¸ÄÓû§µÇ¼µÄĬÈÏshell£¬ÄÇÒªÐÞ¸Ä/etc/passwdÎļþ£¬ÀïÃæ×îºóÒ»ÁоÍÊÇ£¬ÈçÏÂ
root:x:0:0:root:/root:/bin/bash
Â¥ÉϵÄÒѾ¶¼ËµÁË£¬ÐÞ¸Ä/etc/passwd¶ÔÓ¦Óû§ÐУ¬»òÕßÖ±½ÓÖ´Ðе÷ÓÃ
[oracle@RHEL4 bin]$ ls -l *sh*
-rwxr-xr-x 1 root root 98356 Jun 16 2004 ash
-rwxr-xr-x 1 root root 522116 Jun 16 2004 ash.static
-rwxr-xr-x 1 root root 616248 Apr 13 2006 bash
lrwxrwxrwx 1 root root 3 Dec 12 16:39 bsh -> ash
lrwxrwxrwx 1 root root 4 Dec 12 16:41 csh -> tcsh
-rwxr-xr-x 1 root root 183492 Aug 8 2005 ksh
lrwxrwxrwx 1 root root 4 Dec 12 16:39 sh -> bash
-rwxr-xr-x 1 root root 307488 Sep 22 2004 tcsh
-rwxr-xr-x 1 root root 453836 Jun 28 2005 zsh
[oracle@RHEL4 bin]$ /bin/ksh
$ hostname
ÊÔÊÔÂ¥Éϵİɡ£¿ÉÄÜÐеÃͨŶ£¡£¡£¡
Èç¹ûÄãÓÐÁíÒ»¸öshell±ÈÈç˵fish£¬Ö±½ÓÔÚµ±Ç°shellÏÈÊäÈëfish¼´¿É¡£¡£¡£
Ïà¹ØÎÊ´ð£º
СµÜ×î½üÐèÒªÒ»¸öÓÃsocket»ñÈ¡htmlÎĵµµÄ´úÂ룬µ«ÊÇÀÏÊDz»ÄÜ»ñÈ¡ÍêÕûµÄhtmlÔ´Âë¡£ÔÒò²»Ã÷£¬Íû¸ßÊÖÖ¸µã£¡
C/C++ code:
char *Http_GET(char *host,int port,char *data) //·¢ËÍGETÇëÇó
{
char response[2 ......
ÔÚlinuxÏÂдµÄһЩС³ÌÐòºÍ½Å²½£¬Ã¿´ÎÒªÔËÐж¼ÓÐÇл»µ½ËüËùÔÚµÄĿ¼£¬
ÔõÑùÈÃËüÔÚÆäËûĿ¼Ҳ¿ÉÒÔÓÃÄØ£¿¾ÍÈçÓÃvi»òlsÕâЩÃüÁîÒ»Ñù
³¢ÊÔ¹ýÌí¼Ó»·¾³±äÁ¿£¬µ«²»³É¹¦£¬²»¶®
ûÓÐÈ˻شð
ÏñviÄÇЩ£¬ËüÃÇËùÔÚµÄĿ¼¶¼Å ......
ÈçÌ⣬лл
LinuxÊÇ¿ªÔ´µÄ£¬ÄãËÑË÷LinuxÔ´³ÌÐòĿ¼¾Í¿ÉÒÔÕÒµ½shellÃüÁîtimeµÄʵÏÖ´úÂë¡£
kernel/time.c
ÄãµÄÍ·ÏñºÜ²»´íѽ
ʹÓú¯ÊýtimeΪ½ø³ÌÌṩµ±Ç°µÄʱ¼ä
#include<time.h>
time_t time(time ......
×ÉѯQQ£º269562808
bzip2recover
¹¦ÄÜ˵Ã÷£ºÓÃÀ´ÐÞ¸´Ë𻵵Ä.bz2Îļþ¡£
Óï·¨£ºbzip2recover[.bz2ѹËõÎļþ]
²¹³ä˵Ã÷£ºbzip2ÊÇÒÔÇø¿éµÄ·½Ê½À´Ñ¹ËõÎļþ£¬Ã¿¸öÇø¿éÊÓΪ¶ÀÁ¢µÄµ¥Î»¡£Òò´Ë£¬µ±Ä³Ò»Çø
¿éËð»µÊ±£¬±ã¿ÉÀû ......
ÄÇλ´óϺÔÚlinuxÏÂÓÃÃüÁîÐп̼¹ý£Ä£Ö£ÄµÄ£¬Ö¸µãһϡ£
ÎÒÏÖÔÚÒªÔÚFedora11ÏÂÓÃÃüÁîÐУ¨²»ÒªÓýçÃæ·½Ê½£©½øÐп̼£Ä£Ö£ÄÅÌ£¬¿Ì¼µÄÄÚÈÝÊÇÒ»°ãÊý¾Ý¡£ÒªÇó¿Ì¼µÄ¸ñʽΪUDF¸ñʽ¡£ÇëÎÊËÄܸøÒ»¸öÇå
ÎúµÄÖ¸µ¼½¨Òé²»£¿ÏÈ ......