Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

linuxºÍUnix

Ò»¡¢Àí½âLinuxµÄµ¥Óû§¶àÈÎÎñ£¬¶àÓû§¶àÈÎÎñ¸ÅÄ
Linux ÊÇÒ»¸ö¶àÓû§¡¢¶àÈÎÎñµÄ²Ù×÷ϵͳ£»ÎÒÃÇÓ¦¸ÃÁ˽ⵥÓû§¶àÈÎÎñºÍ¶àÓû§¶àÈÎÎñµÄ¸ÅÄ
1¡¢Linux µÄµ¥Óû§¶àÈÎÎñ£»
µ¥Óû§¶àÈÎÎñ£»±ÈÈçÎÒÃÇÒÔbeinan µÇ¼ϵͳ£¬½øÈëϵͳºó£¬ÎÒÒª´ò¿ªgedit À´Ð´Îĵµ£¬µ«ÔÚдÎĵµµÄ¹ý³ÌÖУ¬ÎҸоõÉÙµãÒôÀÖ£¬ËùÒÔÓÖ´ò¿ªxmms À´µãÒôÀÖ£»µ±È»ÌýµãÒôÀÖ»¹²»ÐУ¬MSN »¹µÃ´ò¿ª£¬ÏëÖªµÀ¼¸¸öµÜÐÖÏÖÔÚÕýÔÚ×öʲô£¬ÕâÑùÒ»Ñù£¬ÎÒÔÚÓÃbeinan Óû§µÇ¼ʱ£¬Ö´ÐÐÁËgedit ¡¢xmmsÒÔ¼°msnµÈ£¬µ±È»»¹ÓÐÊäÈë·¨fcitx £»ÕâÑù˵À´¾ÍÓеã¼òµ¥ÁË£¬Ò»¸öbeinanÓû§£¬ÎªÁËÍê³É¹¤×÷£¬Ö´ÐÐÁ˼¸¸öÈÎÎñ£»µ±È»beinanÕâ¸öÓû§£¬ÆäËüµÄÈË»¹ÄÜÒÔÔ¶³ÌµÇ¼¹ýÀ´£¬Ò²ÄÜ×öÆäËüµÄ¹¤×÷¡£
2¡¢Linux µÄ¶àÓû§¡¢¶àÈÎÎñ£»
ÓÐʱ¿ÉÄÜÊǺܶàÓû§Í¬Ê±ÓÃͬһ¸öϵͳ£¬µ«²¢²»ËùÓеÄÓû§¶¼Ò»¶¨¶¼Òª×öͬһ¼þÊ£¬ËùÒÔÕâ¾ÍÓжàÓû§¶àÈÎÎñ֮˵£»
¾Ù¸öÀý×Ó£¬±ÈÈçLinuxSir.Org ·þÎñÆ÷£¬ÉÏÃæÓÐFTP Óû§¡¢ÏµÍ³¹ÜÀíÔ±¡¢web Óû§¡¢³£¹æÆÕͨÓû§µÈ£¬ÔÚͬһʱ¿Ì£¬¿ÉÄÜÓеĵÜÐÖÕýÔÚ·ÃÎÊÂÛ̳£»ÓеĿÉÄÜÔÚÉÏ´«Èí¼þ°ü¹ÜÀí×ÓÕ¾£¬±ÈÈçluma »òYuking ÐÖÔÚ¹ÜÀíËûÃǵÄÖ÷ҳϵͳºÍFTP £»ÔÚÓë´Ëͬʱ£¬¿ÉÄÜ»¹»áÓÐϵͳ¹ÜÀíÔ±ÔÚά»¤ÏµÍ³£»ä¯ÀÀÖ÷Ò³µÄÓõÄÊÇnobody Óû§£¬´ó¼Ò¶¼ÓÃͬһ¸ö£¬¶øÉÏ´«Èí¼þ°üÓõÄÊÇFTPÓû§£»¹ÜÀíÔ±µÄ¶ÔϵͳµÄά»¤»ò²é¿´£¬¿ÉÄÜÓõÄÊÇÆÕͨÕʺŻò³¬¼¶È¨ÏÞrootÕʺţ»²»Í¬Óû§Ëù¾ßÓеÄȨÏÞÒ²²»Í¬£¬ÒªÍê³É²»Í¬µÄÈÎÎñµÃÐèÒª²»Í¬µÄÓû§£¬Ò²¿ÉÒÔ˵²»Í¬µÄÓû§£¬¿ÉÄÜÍê³ÉµÄ¹¤×÷Ò²²»Ò»Ñù£»
ÖµµÃ×¢ÒâµÄÊÇ£º¶àÓû§¶àÈÎÎñ²¢²»ÊÇ´ó¼Òͬʱ¼·µ½Ò»½ÓÔÚһ̨»úÆ÷µÄµÄ¼üÅ̺ÍÏÔʾÆ÷ǰÀ´²Ù×÷»úÆ÷£¬¶àÓû§¿ÉÄÜͨ¹ýÔ¶³ÌµÇ¼À´½øÐУ¬±ÈÈç¶Ô·þÎñÆ÷µÄÔ¶³Ì¿ØÖÆ£¬Ö»ÒªÓÐÓû§È¨ÏÞÈκÎÈ˶¼ÊÇ¿ÉÒÔÉÏÈ¥²Ù×÷»ò·ÃÎʵģ»
3¡¢Óû§µÄ½ÇÉ«Çø·Ö£»
Óû§ÔÚϵͳÖÐÊÇ·Ö½ÇÉ«µÄ£¬ÔÚLinux ϵͳÖУ¬ÓÉÓÚ½ÇÉ«²»Í¬£¬È¨ÏÞºÍËùÍê³ÉµÄÈÎÎñÒ²²»Í¬£»ÖµµÃ×¢ÒâµÄÊÇÓû§µÄ½ÇÉ«ÊÇͨ¹ýUIDºÍʶ±ðµÄ£¬ÌرðÊÇUID£»ÔÚϵͳ¹ÜÀíÖУ¬ÏµÍ³¹ÜÀíÔ±Ò»¶¨Òª¼áÊØUID ΨһµÄÌØÐÔ£»
root Óû§£ºÏµÍ³Î¨Ò»£¬ÊÇÕæÊµµÄ£¬¿ÉÒԵǼϵͳ£¬¿ÉÒÔ²Ù×÷ϵͳÈκÎÎļþºÍÃüÁӵÓÐ×î¸ßȨÏÞ£»
ÐéÄâÓû§£ºÕâÀàÓû§Ò²±»³ÆÖ®ÎªÎ±Óû§»ò¼ÙÓû§£¬ÓëÕæÊµÓû§Çø·Ö¿ªÀ´£¬ÕâÀàÓû§²»¾ßÓеǼϵͳµÄÄÜÁ¦£¬µ«È´ÊÇϵͳÔËÐв»¿ÉȱÉÙµÄÓû§£¬±ÈÈçbin¡¢daemon¡¢adm¡¢ftp¡¢mailµÈ£»ÕâÀàÓû§¶¼ÏµÍ³×ÔÉíÓµÓе쬶ø·ÇºóÀ´Ìí¼ÓµÄ£¬µ±È»ÎÒÃÇÒ²¿ÉÒÔÌí¼ÓÐéÄâÓû§£»
ÆÕÍ¨ÕæÊµÓû§£ºÕâÀàÓû§ÄܵǼϵͳ£¬µ«Ö»ÄܲÙ×÷×Ô¼º¼ÒĿ¼µÄÄÚÈÝ£»È¨ÏÞÓÐÏÞ£


Ïà¹ØÎĵµ£º

LinuxÎļþϵͳÖвéÕÒÎļþÃüÁîÓ÷¨

ÔÚµ±Ç°Ä¿Â¼ÏÂËÑË÷Ö¸¶¨Îļþ£º
find . -name test.txt
ÔÚµ±Ç°Ä¿Â¼ÏÂÄ£ºýËÑË÷Îļþ£º
find . -name '*.txt'
ÔÚµ±Ç°Ä¿Â¼ÏÂËÑË÷ÌØ¶¨ÊôÐÔµÄÎļþ£º
find . -amin -10 # ²éÕÒÔÚϵͳÖÐ×îºó10·ÖÖÓ·ÃÎʵÄÎļþ
find . -atime -2 # ²éÕÒÔÚϵͳÖÐ×îºó48Сʱ·ÃÎʵÄÎļþ
find . -empty # ²éÕÒÔÚϵͳÖÐΪ¿ÕµÄÎļþ»òÕßÎļþ¼Ð
find . -g ......

Why do We Choose Linux?

Linux, named after the inventor, Linus Torvalds, is a so different OS for everyone against Windows. To everyone who used to use Windows, Linux need us to do more for everything which we usually do by computer, such as playing a video.
Someone says, Linux is for the ones who are good at the computer ......

Linux ½ø³Ì»¥³âÁ¿

ÍøÉÏÕÒÁËÏÂLinux½ø³Ì¼ä»¥³âµÄʵÏÖ£¬Á½ÖÖ·½·¨£¬semaphore ºÍ ÎļþËø¡£¸Õ¿ªÊ¼Ò²³¢ÊÔÓÃsemaphoreÀ´ÊµÏÖ£¬µ«·¢ÏÖsem_waitºÍsingalÎÞ·¨ÊµÏÖWindowsÏÂCirtSec£¬¶ø²ÉÓÃÁ˺óÕßÎļþËø£»
µ«¶ÔÓÚ¶ÁÐ´ËøÀ´ËµÊµÓÃÎļþËøÊµÏÖ£¬´æÔÚÒ»¶¨µÄ²»×㣬Ëü·Ö¿ªÁ˶ÁÐ´Ëø£¬¶øÃ»Óзֿª½â¶ÁÐ´Ëø£¬ÀûÓÃUnLockÀ´Í³Ò»½â¶ÁÐ´Ëø£¬¶ÔÓÚÕâ½ø³Ì¼ä¶ÁÐ´ËøµÄʵÏÖ£ ......

linux file lock

linux file lock
linuxµÄÎļþËø·ÖΪÁ½ÖÖ£º
Ò»ÖÖÊÇadvasory lock£¬Ö»Äܱ£Ö¤½ø³ÌÄÚ¶Ôͬһ¸öÎļþËøµÄ»¥³âÓÐЧ£¬µ«ÊǶà¸ö½ø³Ì¿ÉÒÔͬʱ¶ÔÒ»¸öÎļþ¼Ó»¥³âµÄËø£¬ËùÒÔÕâÖÖËøÊǼÓÔÚfile ½á¹¹ÉÏ;Ò»ÖÖÊÇmandatory lock£¬ÕâÖÖËø¿ÉÒÔ±£Ö¤¶à¸ö½ø³ÌÎÞ·¨¶Ôͬһ¸öÎļþ¶¼¼ÓÉÏ»¥³âËø£¬ËùÒÔÕâÖÖËøÊǼÓÔÚinode ½á¹¹Éϵġ£
µ±¼Ómandatroy lockÊ ......

Linux½ø³Ì¼äͨѶ֮ÐźÅÁ¿

Ò». ʲôÊÇÐźÅÁ¿
ÐźÅÁ¿(Semaphore)-- Ï൱һ¸öÐźŵƣ¬³ÌÐòÀïÊÇÒ»¸ö·Ç¸ºÕûÊý£¬±íʾ״̬.
¿ÉÒÔÓÃÀ´±£»¤Á½¸ö»ò¶à¸ö¹Ø¼ü´úÂë¶Î£¬ÕâЩ¹Ø¼ü´úÂë¶Î²»Äܲ¢·¢µ÷Óá£ÔÚ½øÈëÒ»¸ö¹Ø¼ü´úÂë¶Î֮ǰ£¬Ï̱߳ØÐë»ñȡһ¸öÐźÅÁ¿¡£
Èç¹û¹Ø¼ü´úÂë¶ÎÖÐûÓÐÈκÎỊ̈߳¬ÄÇôÏ̻߳áÁ¢¼´½øÈë¸Ã¿òͼÖеÄÄǸö²¿·Ö¡£Ò»µ©¸Ã¹Ø¼ü´úÂë¶ÎÍê³ÉÁË£¬ÄÇô¸Ã ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ