¡¾×ª]Linux FTPÃüÁîÏê½â¼°Ê¹Óü¼ÇÉ
FTP>ascii: É趨ÒÔASCII·½Ê½´«ËÍÎļþ(ȱʡֵ)
FTP>bell: ÿÍê³ÉÒ»´ÎÎļþ´«ËÍ,±¨¾¯Ìáʾ.
FTP>binary: É趨ÒÔ¶þ½øÖÆ·½Ê½´«ËÍÎļþ.
FTP>bye: ÖÕÖ¹Ö÷»úFTP½ø³Ì,²¢Í˳öFTP¹ÜÀí·½Ê½.
FTP>case: µ±ÎªONʱ,ÓÃMGETÃüÁ±´µÄÎļþÃûµ½±¾µØ»úÆ÷ÖÐ,È«²¿×ª»»ÎªÐ¡Ð´×Öĸ.
FTP>cd: ͬUNIXµÄCDÃüÁî.
FTP>cdup: ·µ»ØÉÏÒ»¼¶Ä¿Â¼.
FTP>chmod: ¸Ä±äÔ¶¶ËÖ÷»úµÄÎļþȨÏÞ.
FTP>close: ÖÕÖ¹Ô¶¶ËµÄFTP½ø³Ì,·µ»Øµ½FTPÃüÁî״̬, ËùÓеĺ궨Òå¶¼±»É¾³ý.
FTP>delete: ɾ³ýÔ¶¶ËÖ÷»úÖеÄÎļþ.
FTP>dir [remote-directory] [local-file] Áгöµ±Ç°Ô¶¶ËÖ÷»úĿ¼ÖеÄÎļþ.Èç¹ûÓб¾µØÎļþ,¾Í½«½á¹ûдÖÁ±¾µØÎļþ.
FTP>get [remote-file] [local-file] ´ÓÔ¶¶ËÖ÷»úÖд«ËÍÖÁ±¾µØÖ÷»úÖÐ.
FTP>help [command] Êä³öÃüÁîµÄ½âÊÍ.
FTP>lcd: ¸Ä±äµ±Ç°±¾µØÖ÷»úµÄ¹¤×÷Ŀ¼,Èç¹ûȱʡ,¾Íתµ½µ±Ç°Óû§µÄHOMEĿ¼.
FTP>ls [remote-directory] [local-file] ͬDIR.
FTP>macdef: ¶¨ÒåºêÃüÁî.
FTP>mdelete [remote-files] ɾ³ýÒ»ÅúÎļþ.
FTP>mget [remote-files] ´ÓÔ¶¶ËÖ÷»ú½ÓÊÕÒ»ÅúÎļþÖÁ±¾µØÖ÷»ú.
FTP>mkdir directory-name ÔÚÔ¶¶ËÖ÷»úÖн¨Á¢Ä¿Â¼.
FTP>mput local-files ½«±¾µØÖ÷»úÖÐÒ»ÅúÎļþ´«ËÍÖÁÔ¶¶ËÖ÷»ú.
FTP>open host [port] ÖØÐ½¨Á¢Ò»¸öеÄÁ¬½Ó.
FTP>prompt: ½»»¥Ìáʾģʽ.
FTP>put local-file [remote-file] ½«±¾µØÒ»¸öÎļþ´«ËÍÖÁÔ¶¶ËÖ÷»úÖÐ.
FTP>pwd: Áгöµ±Ç°Ô¶¶ËÖ÷»úĿ¼.
FTP>quit: ͬBYE.
FTP>recv remote-file [local-file] ͬGET.
FTP>rename [from] [to] ¸Ä±äÔ¶¶ËÖ÷»úÖеÄÎļþÃû.
FTP>rmdir directory-name ɾ³ýÔ¶¶ËÖ÷»úÖеÄĿ¼.
FTP>send local-file [remote-file] ͬPUT.
FTP>status: ÏÔʾµ±Ç°FTPµÄ״̬.
FTP>system: ÏÔʾԶ¶ËÖ÷»úϵͳÀàÐÍ.
FTP>user user-name [password] [account] ÖØÐÂÒÔ±ðµÄÓû§ÃûµÇ¼Զ¶ËÖ÷»ú.
FTP>? [command]: ͬHELP. [command]Ö¸¶¨ÐèÒª°ïÖúµÄÃüÁîÃû³Æ¡£Èç¹ûûÓÐÖ¸¶¨ command£¬ftp ½«ÏÔʾȫ²¿ÃüÁîµÄÁÐ±í¡£
FTP>! ´Ó ftp ×ÓϵͳÍ˳öµ½Íâ¿Ç¡£
ÔÎĵØÖ·£ºhttp://blog.chinaunix.net/u/15200/showart_299136.html
Ïà¹ØÎĵµ£º
Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖÐÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀÐÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......
»ùÓÚI/O RegionµÄ²Ù×÷º¯Êý__XXX_region()£¬LinuxÔÚÍ·Îļþinclude/linux/ioport.hÖж¨ÒåÁËÈý¸ö¶ÔI/OÄÚ´æ×ÊÔ´½øÐвÙ×÷µÄºê£º
¡¡¡¡¢Ùrequest_mem_region()ºê£¬ÇëÇó·ÖÅäÖ¸¶¨µÄI/OÄÚ´æ×ÊÔ´¡£
¡¡¡¡¢Úcheck_ mem_region()ºê£¬¼ì²éÖ¸¶¨µÄI/OÄÚ´æ×ÊÔ´ÊÇ·ñÒѱ»Õ¼Óá£
¡¡¡¡¢Ûrelease_ mem_region()ºê£¬ÊÍ·ÅÖ¸¶¨µÄI/OÄÚ´æ×ÊÔ ......
Ò»¡¢ ʲôÊÇϵͳµ÷ÓÃ
ÔÚLinuxµÄÊÀ½çÀÎÒÃǾ³£»áÓöµ½ÏµÍ³µ÷ÓÃÕâÒ»ÊõÓËùνϵͳµ÷Ó㬾ÍÊÇÄÚºËÌṩµÄ¡¢¹¦ÄÜÊ®·ÖÇ¿´óµÄһϵÁеĺ¯Êý¡£ÕâЩϵͳµ÷ÓÃÊÇÔÚÄÚºËÖÐʵÏֵģ¬ÔÙͨ¹ýÒ»¶¨µÄ·½Ê½°Ñϵͳµ÷ÓøøÓû§£¬Ò»°ã¶¼Í¨¹ýÃÅ(gate)ÏÝÈë(trap)ʵÏÖ¡£ÏµÍ³µ÷ÓÃÊÇÓû§³ÌÐòºÍÄں˽»»¥µÄ½Ó¿Ú¡£
¶þ¡¢ ϵͳµ÷ÓõÄ×÷Ó ......
KS2009: How Google uses Linux
By Jonathan Corbet
October 21, 2009
LWN's 2009 Kernel Summit coverage
There may be no single organization which runs more Linux systems than Google. But the kernel development community knows little about how Google uses Linux and what sort of problems are ......
ÒýÓÃhttp://hi.baidu.com/fishzy0819/blog/item/76bc82347b94f681a61e1298.html
2009-10-25 15:43
×î½ü×ö¹«Ë¾·þÎñÆ÷³ÌÐò´Ówindowsµ½LinuxµÄÒÆÖ²¹¤×÷£¬ÎҵķþÎñÆ÷ʹÓõÄACEµÄEpollģʽ£¬Ö§³Ö2000¸öÁ¬½Ó¡£ÔÚLinuxϱàÒë·þÎñÆ÷³ÌÐòºó£¬ÔËÐУ¬±¨´íÁË¡£
²é
ÁË×ÊÁϺó·¢ÏÖÊÇ£¬ÔÚLinuxÏÂEpollģʽĬÈÏÖ»Ö§³Ö1024¸öÁ¬½Ó£ ......