LinuxÎļþ²éÕÒÃüÁîfind,xargsÏêÊö
LinuxÎļþ²éÕÒÃüÁîfind,xargsÏêÊö
×ܽ᣺zhy2111314
À´×Ô£ºLinuxSir.Org
ÕûÀí£º±±ÄÏÄϱ±
ÕªÒª£º ±¾ÎÄÊÇfind ÃüÁîµÄÏêϸ˵Ã÷£¬¿É¹óµÄÊÇÕë¶Ô²ÎÊý¾ÙÁ˺ܶàµÄʵÀý£¬´óÁ¿µÄÀýÖ¤£¬ÈóõѧÕ߸üΪÈÝÒ×Àí½â£»±¾ÎÄÊÇzhyflyÐÖÌùÔÚÂÛ̳ÖУ»ÎÒ¶Ô±¾ÎĽøÐÐÁËÔÙ´ÎÕûÀí£¬Îª·½±ã´ó¼ÒÔĶÁ£»
Ŀ¼
°æÈ¨ÉùÃ÷
ǰÑÔ£º¹ØÓÚfindÃüÁî
Ò»¡¢find ÃüÁî¸ñʽ
1¡¢findÃüÁîµÄÒ»°ãÐÎʽΪ£»
2¡¢findÃüÁîµÄ²ÎÊý£»
3¡¢findÃüÁîÑ¡Ï
4¡¢Ê¹ÓÃexec»òokÀ´Ö´ÐÐshellÃüÁ
¶þ¡¢findÃüÁîµÄÀý×Ó£»
1¡¢²éÕÒµ±Ç°Óû§Ö÷Ŀ¼ÏµÄËùÓÐÎļþ£»
2¡¢ÎªÁËÔÚµ±Ç°Ä¿Â¼ÖÐÎļþÊôÖ÷¾ßÓжÁ¡¢Ð´È¨ÏÞ£¬²¢ÇÒÎļþËùÊô×éµÄÓû§ºÍÆäËûÓû§¾ßÓжÁȨÏÞµÄÎļþ£»
3¡¢ÎªÁ˲éÕÒϵͳÖÐËùÓÐÎļþ³¤¶ÈΪ0µÄÆÕͨÎļþ£¬²¢ÁгöËüÃǵÄÍêÕû·¾¶£»
4¡¢²éÕÒ/var/logsĿ¼Öиü¸Äʱ¼äÔÚ7ÈÕÒÔǰµÄÆÕͨÎļþ£¬²¢ÔÚɾ³ý֮ǰѯÎÊËüÃÇ£»
5¡¢ÎªÁ˲éÕÒϵͳÖÐËùÓÐÊôÓÚroot×éµÄÎļþ£»
6¡¢findÃüÁɾ³ýµ±Ä¿Â¼ÖзÃÎÊʱ¼äÔÚ7ÈÕÒÔÀ´¡¢º¬ÓÐÊý×Öºó׺µÄadmin.logÎļþ
7¡¢ÎªÁ˲éÕÒµ±Ç°ÎļþϵͳÖеÄËùÓÐĿ¼²¢ÅÅÐò£»
8¡¢ÎªÁ˲éÕÒϵͳÖÐËùÓеÄrmt´Å´øÉ豸£»
Èý¡¢xargs
ËÄ¡¢find ÃüÁîµÄ²ÎÊý£»
1¡¢Ê¹ÓÃnameÑ¡Ïî
2¡¢ÓÃpermÑ¡Ïî
3¡¢ºöÂÔij¸öĿ¼
4¡¢Ê¹ÓÃfind²éÕÒÎļþµÄʱºòÔõô±Ü¿ªÄ³¸öÎļþĿ¼
5¡¢Ê¹ÓÃuserºÍnouserÑ¡Ïî
6¡¢Ê¹ÓÃgroupºÍnogroupÑ¡Ïî
7¡¢°´ÕÕ¸ü¸Äʱ¼ä»ò·ÃÎÊʱ¼äµÈ²éÕÒÎļþ
8¡¢²éÕÒ±Èij¸öÎļþлò¾ÉµÄÎļþ
9¡¢Ê¹ÓÃtypeÑ¡Ïî
10¡¢Ê¹ÓÃsizeÑ¡Ïî
11¡¢Ê¹ÓÃdepthÑ¡Ïî
12¡¢Ê¹ÓÃmountÑ¡Ïî
Îå¡¢¹ØÓÚ±¾ÎÄ
Áù¡¢Ïà¹ØÎĵµ
+++++++++++++++++++++++++++++++++++++++++++++++++
ÕýÎÄ
+++++++++++++++++++++++++++++++++++++++++++++++++
°æÈ¨ÉùÃ÷
±¾ÎÄÊÇzhyflyÐÖÌùÔÚLinuxSir.Org µÄÒ»¸öÌû×Ó¶øÕûÀí³öÀ´µÄ£¬Èç¹ûÄú¶Ô°æÈ¨ÓÐÒÉÎÊ£¬ÇëÔÚ±¾ÌûºóÃæ¸úÌû¡£Ð»Ð»£»±¾ÎĵÄHTML°æ±¾Óɱ±ÄÏÄϱ±ÕûÀí£»ÐÞ¸ÄÁËÕûƪÎĵµµÄÈ«½Ç¼°ËµÃ÷ÎÄ×ÖÖеĵ¥´ÊÖÐÿ¸ö×Öĸ¿Õ¸ñµÄÎÊÌ⣻Ϊ±êÌâ¼ÓÁ˱àºÅ£¬·½±ã´ó¼ÒÔĶÁ£»
ǰÑÔ£º¹ØÓÚfindÃüÁî
ÓÉÓÚfind¾ßÓÐÇ¿´óµÄ¹¦ÄÜ£¬ËùÒÔËüµÄÑ¡ÏîÒ²ºÜ¶à£¬ÆäÖд󲿷ÖÑ¡Ïî¶¼ÖµµÃÎÒÃÇ»¨Ê±¼äÀ´Á˽âһϡ£¼´Ê¹ÏµÍ³Öк¬ÓÐÍøÂçÎļþϵͳ( NFS)£¬findÃüÁîÔÚ¸ÃÎļþϵͳÖÐͬÑùÓÐЧ£¬Ö»Äã¾ßÓÐÏàÓ¦µÄȨÏÞ¡£
ÔÚÔËÐÐÒ»¸ö·Ç³£ÏûºÄ×ÊÔ´µÄfindÃüÁîʱ£¬ºÜ¶àÈ˶¼ÇãÏòÓÚ°ÑËü·ÅÔÚºǫִ́ÐУ¬ÒòΪ±éÀúÒ»¸ö´óµÄÎļþϵͳ¿ÉÄܻỨ·ÑºÜ³¤µÄʱ¼ä(ÕâÀïÊÇÖ¸30G×Ö½ÚÒÔÉϵÄÎļþϵͳ)¡£
Ò»¡¢find ÃüÁî¸ñʽ
1¡¢findÃüÁîµÄÒ»°ãÐÎʽΪ£»
find pathname -
Ïà¹ØÎĵµ£º
2009 Äê 4 ÔÂ 23 ÈÕ
±¾ÎÄÖÐÎÒÃÇÕë¶Ô Linux É϶àÏ̱߳à³ÌµÄÖ÷ÒªÌØÐÔ×ܽá³ö 5 Ìõ¾Ñ飬ÓÃÒÔ¸ÄÉÆ Linux ¶àÏ̱߳à³ÌµÄϰ¹ßºÍ±ÜÃâÆäÖеĿª·¢ÏÝÚå¡£ÔÚ±¾ÎÄÖУ¬ÎÒÃÇ´©²åһЩ Windows µÄ±à³ÌÓÃÀýÓÃÒÔ¶Ô±È Linux ÌØÐÔ£¬ÒÔ¼ÓÉî¶ÁÕßÓ¡Ïó¡£
±³¾°
Linux ƽ̨ÉϵĶàÏ̳߳ÌÐò¿ª·¢Ïà¶ÔÓ¦ÆäËûƽ̨£¨±ÈÈç Windows£©µÄ¶àÏß³Ì API ÓÐһЩϸ΢ ......
ÔÚlinuxÖеÄlikelyºÍunlikely
0
ÍÆ¼ö
ÔÚlinuxÖÐÅжÏÓï¾ä¾³£»á¿´µ½likelyºÍunlikely£¬ÀýÈ磺
if(likely(value)){
}
else{
}
¼òµ¥´Ó±íÃæÉÏ¿´if(likely(value)) == if(value)£¬if(unlikely(value)) == if(value)¡£
ÕâÁ½¸öºê¶Ô³ÌÐòÔËÐнá¹ûûÓÐÓ°Ï죬ֻÊÇÓÃÓÚÌá¸ß³ÌÐòЧÂÊ¡£ÆäʵÏÖºÍgcc±àÒëÆ÷ÃÜÇÐÏà¹Ø¡£
¾ßÌåµã˵£¬¾ ......
³ÉΪһÃû¾«Í¨ Linux ³ÌÐòÉè¼ÆµÄ¸ß¼¶³ÌÐòÔ±Ò»Ö±ÊDz»ÉÙÅóÓÑ×Î×ÎÒÔÇóµÄÄ¿±ê¡£¸ù¾ÝÖлªÓ¢²ÅÍøÍ³¼ÆÊý¾Ý£¬±±¾©µØÇø Linux ³ÌÐòÔ±ÔÂнƽ¾ùΪ Windows ³ÌÐòÔ±µÄ 1.8 ±¶¡¢Java ³ÌÐòÔ±µÄ 2.6 ±¶£¬ Linux ³ÌÐòÔ±ÄêÖÕ½±½ðƽ¾ùΪ Windows ³ÌÐòÔ±µÄ 2.9 ±¶¡£Í¬Ê±Êý¾ÝÏÔʾ£¬Ëæ×ʤ×÷¾ÑéµÄÔö³¤£¬ Linux ³ÌÐòÔ±Óë Windows ³ÌÐòÔ±µÄÊÕÈë²î¾à» ......