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$ which gcc
/usr/bin/gcc
2.Èç¹ûwhichûÓÐÕÒµ½ÒªÕÒµÄÎļþ£¬ÄǾÍÊÔÊÔwhereis£¬¸ÃÃüÁîËÑË÷¸ü´ó·¶Î§µÄϵͳĿ¼£¬ºÍshellËÑË÷·¾¶Î޹ء£
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È磺which ipppd
$ which ipppd
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$ whereis ipppd
ipppd: /usr/sbin/ipppd
$ ls -l /usr/sbin/ipppd
lrwxrwxrwx 1 root root 16 01-13 17:06 /usr/sbin/ipppd -> ../../sbin/ipppd
3.»¹ÓÐÒ»ÖÖ·½·¨ÊDzÉÓÃ×÷Ó÷Ƿ²µÄlocateÃüÁËüÊÇ¿¼²ìÔ¤ÏȱàÒëºÃµÄÒ»¸öÎļþϵͳË÷Òý£¬ÒÔ´ËÈ·¶¨ÓëÌض¨Ä£Ê½ÏàÆ¥ÅäµÄÎļþÃû¡£
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È磺locate signal.h
/usr/include/signal.h
/usr/include/asm/signal.h
/usr/include/boost/signal.hpp
/usr/include/glib-2.0/gobject/gsignal.h
/usr/include/gtk-2.0/gtk/gtksignal.h
/usr/include/libgtop-2.0/glibtop/procsignal.h
/usr/include/libgtop-2.0/glibtop/signal.h
/usr/include/linux/signal.h
/usr/include/sys/signal.h
/usr/include/valgrind/pub_tool_libcsignal.h
/usr/share/doc/SDL-devel-1.2.9/html/sdlcondsignal.html
/usr/share/gtk-doc/html/gobject/chapter-signal.html
/usr/share/gtk-doc/html/gobject/signal.html
/usr/share/man/man0p/signal.h.0p.gz
4.Èç¹ûÖªµÀÈí¼þ°üÃû×Ö£¬Ò²¿ÉÒÔʹÓÃϵͳ×Ô´øµÄϵͳÈí¼þ°ü¹¤¾ßRPM(Red Hat Package Manager)£¬ËüµÄ¹¦ÄÜÀàËÆÓÚWindowsÀïÃæµÄ“Ìí¼Ó/ɾ³ý³ÌÐò”£¬µ«Êǹ¦ÄÜÓֱȓÌí¼Ó/ɾ³ý³ÌÐò”Ç¿ºÜ¶à.´Ë¹¤¾ß°ü×îÏÈÊÇÓÉRed Hat¹«Ë¾ÍƳöµÄ£¬ºóÀ´±»ÆäËûLinux¿ª·¢ÉÌËù½èÓá£
È磺rpm -q python
python-2.4.2-3.2.1
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6.i368.rpm£¬ÎÒÃÇ¿ÉÒÔÓÃÕâÌõÃüÁî²é¿´£º
¡¡¡¡ rpm -qpi Linux-1.4-6.i368.rpm
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