linuxϲ鿴java·¾¶
ÓÃÃüÁî whereis java¾Í¿ÉÒÔ¿´µ½ÁË
eg:
-bash-3.1$ whereis java
java: /usr/bin/java /etc/java /usr/lib/java /usr/share/java /opt/jdk1.6.0_01/bin/java
Èç¹û½ö½öÏëÖªµÀjavaÖ´Ðз¾¶ÔÚÄÇÀïµÄ»° ÓÃwhich java¾Í¿ÉÒÔÁË
eg:
-bash-3.1$ which java
/usr/bin/java
Ïà¹ØÎĵµ£º
1. grep¼ò½é
grep £¨global search regular expression(RE) and print out the line,È«ÃæËÑË÷ÕýÔò±í´ïʽ²¢°ÑÐдòÓ¡³öÀ´£©ÊÇÒ»ÖÖÇ¿´óµÄÎı¾ËÑË÷¹¤¾ß£¬ËüÄÜʹÓÃÕýÔò±í´ïʽËÑË÷Îı¾£¬²¢°ÑÆ¥ÅäµÄÐдòÓ¡³öÀ´¡£UnixµÄgrep¼Ò×å°ü À¨grep¡¢egrepºÍfgrep¡£egrepºÍfgrepµÄÃüÁîÖ»¸úgrepÓкÜС²»Í¬¡£egrepÊÇgrepµÄÀ©Õ¹£¬Ö§³Ö¸ü¶ ......
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QemuÖ÷Ò³http://fabrice.bellard.free.fr/qemu/
QemuÏÂÔØÒ³Ãæhttp://fabrice.bellard.free.fr/qemu/download.html °üÀ¨Ô´Â룬¿ÉÖ´ÐÐÎļþ£¬ÒÑÖÆ×÷ºÃµÄdisk fileµÈ
QemuÓÐʹÓÃ˵Ã÷Îĵµhttp://fabrice.bella ......
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[root@localhost ~]# cat /proc/loadavg
4.61 4.36 4.15 9/84 5662
ÿ¸öÖµµÄº¬ÒåΪ£º
²ÎÊý ½âÊÍ
lavg_1 (4.61) 1-·ÖÖÓƽ¾ù¸ºÔØ
lavg_5 (4.36) 5-·ÖÖÓƽ¾ù¸ºÔØ
lavg_15(4.15) 15-·ÖÖÓƽ¾ù¸ºÔØ
nr_run ......