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# which reboot   <---whichÖ¸Áî»áÔÚ»·¾³±äÁ¿$PATHÉèÖõÄĿ¼Àï²éÕÒ·ûºÏÌõ¼þµÄÎļþ
/sbin/reboot        <--ÕÒµ½ÎļþÈçÏÂ
# rpm -qf /sbin/reboot--ͨ¹ýÎļþ²éÕÒÆð°²×°°ü
SysVinit-2.85.34         <-- rpm°üÃû×Ö
# rpm -qi SysVinit-2.85.34   <---²é¿´°²×°°üÐÅÏ¢ÐÅÏ¢,²é¿´Ô´Âë°²×°°ü
È»ºó¾ÍÈ¥ÍøÉÏÕÒÕâ¸öÔ´Âë°²×°°ü,ÏÂÔØÍêÔ´Âë°²×°°üºó,ʹÓÃrpm2cpioÀ´½âѹÎļþ:
RedHatÏÂÔØÍøÖ·:http://redhat.download.fedoraproject.org/pub/fedora/linux/core/3/SRPMS/
RPM°üÏÂÔصØÖ·:http://ftp.freshrpms.net/pub/freshrpms/redhat/9/
$ rpm2cpio SysVinit-2.85.34.src.rpm | cpio -idv  
$ tar xvfz SysVinit-2.85.34.tar.gz
ÔÚºóÄã¾Í¿ÉÒÔ¿´µ½µÄÔ´ÂëĿ¼:SysVinit-2.85.34


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int sysinfo(struct sysinfo info);
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