尊龙凯时人生就是博

linux501ÊÇʲôȨÏÞ

linux¡°501¡±¿ÉÒÔ±»½â¶ÁΪ£º1¡¢ËùÓÐÕß¾ßÓжÁÈ¡ºÍÖ´ÐÐȨÏÞ¡°5 = r-x¡±£»2¡¢ËùÊô×é¾ßÓÐÖ´ÐÐȨÏÞ¡°0 = —¡±£»3¡¢ÆäËûÓû§¾ßÓжÁȡȨÏÞ¡°1 = –x¡±¡£

±¾½Ì³Ì²Ù×÷ϵͳ£ºLinux5.18.14ϵͳ¡¢Dell G3µçÄÔ¡£

ÔÚ Linux ÎļþϵͳÖУ¬Ã¿¸öÎļþ»òĿ¼¶¼ÓÐÒ»×éȨÏÞ£¬ÓÃÓÚ¿ØÖƶÔÆä¾ÙÐжÁÈ¡¡¢Ð´ÈëºÍÖ´ÐвÙ×÷µÄȨÏÞ¡£È¨ÏÞÓÉÈý¸ö²î±ðµÄ½ÇÉ«×é³É£ºËùÓÐÕߣ¨Owner£©¡¢ËùÊô×飨Group£©ºÍÆäËûÓû§£¨Others£©¡£Ã¿¸ö½ÇÉ«¶¼¿ÉÒÔ±»ÊÚÓèÒÔÏÂȨÏÞÖ®Ò»»ò¶à¸öȨÏÞµÄ×éºÏ£º

¶ÁȨÏÞ£¨Read£©£ºÔÊÐíÓû§¶ÁÈ¡ÎļþÄÚÈÝ¡¢Éó²éĿ¼ÖеÄÎļþÁбíÒÔ¼°»ñÈ¡Îļþ/Ŀ¼µÄÊôÐÔÐÅÏ¢¡£

дȨÏÞ£¨Write£©£ºÔÊÐíÓû§ÐÞ¸ÄÎļþÄÚÈÝ¡¢½¨Éè»òɾ³ýÎļþÒÔ¼°ÔÚĿ¼Öн¨Éè¡¢ÖØÃüÃû»òɾ³ýÎļþ¡£

Ö´ÐÐȨÏÞ£¨Execute£©£º¹ØÓÚÎļþÀ´Ëµ£¬Ö´ÐÐȨÏÞÌåÏÖÎļþÊÇ·ñ¿ÉÒÔ×÷Ϊ¿ÉÖ´ÐÐÎļþÔËÐС£¹ØÓÚĿ¼À´Ëµ£¬Ö´ÐÐȨÏÞÔÊÐíÓû§½øÈ루cd£©¸ÃĿ¼²¢»á¼ûÆäÄÚÈÝ¡£

Linux µÄȨÏÞÓÃÈý¸ö×Ö·ûÀ´ÌåÏÖ£ºr£¨¶ÁȡȨÏÞ£©¡¢w£¨Ð´ÈëȨÏÞ£©ºÍx£¨Ö´ÐÐȨÏÞ£©¡£ÕâЩ×Ö·ûͨ³£×éºÏÔÚÒ»Æð£¬ÐγÉÒ»¸öÓɾŸö×Öĸ»ò×Ö·û×é³ÉµÄ×Ö·û´®¡£ÆäÖÐÇ°Èý¸ö×Ö·ûÌåÏÖËùÓÐÕßµÄȨÏÞ£¬½Ó×ÅÈý¸ö×Ö·ûÌåÏÖËùÊô×éµÄȨÏÞ£¬×îºóÈý¸ö×Ö·ûÌåÏÖÆäËûÓû§µÄȨÏÞ¡£

Òò´Ë£¬”linux 501″ ¿ÉÒÔ±»½â¶ÁΪ£º

ËùÓÐÕß¾ßÓжÁÈ¡ºÍÖ´ÐÐȨÏÞ£¨5 = r-x£©

ËùÊô×é¾ßÓÐÖ´ÐÐȨÏÞ£¨0 = —£©

ÆäËûÓû§¾ßÓжÁȡȨÏÞ£¨1 = –x£©

Çë×¢ÖØ£¬ÕâÖ»ÊÇȨÏÞ×Ö·û´®µÄ±í´ï·½·¨Ö®Ò»¡£¿ÉÒÔʹÓòî±ðµÄ·½·¨À´ÌåÏÖȨÏÞ£¬ÀýÈç°Ë½øÖÆ£¨ÀýÈç 755£©»ò·ûºÅÐÎʽ£¨ÀýÈç -rwxr-xr-x£©¡£

ÒÔÉϾÍÊÇlinux501ÊÇʲôȨÏÞµÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí£¬°æȨÕùÒéÓë±¾Õ¾Î޹أ¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í尊龙凯时人生就是博ÂËÓÍ»úÍø¹Ù·½Ì¬¶È£¬Çë¶ÁÕß½ö×ö²Î¿¼¡£±¾ÎĽӴýתÔØ£¬×ªÔØÇë˵Ã÷À´ÓÉ¡£ÈôÄúÒÔΪ±¾ÎÄÇÖÕ¼ÁËÄúµÄ°æȨÐÅÏ¢£¬»òÄú·¢Ã÷¸ÃÄÚÈÝÓÐÈκÎÉæ¼°ÓÐÎ¥¹«µÂ¡¢Ã°·¸Ö´·¨µÈÎ¥·¨ÐÅÏ¢£¬ÇëÄúÁ¬Ã¦ÁªÏµ尊龙凯时人生就是博ʵʱÐÞÕý»òɾ³ý¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ尊龙凯时人生就是博

18523999891

¿É΢ÐÅÔÚÏß×Éѯ

ÊÂÇéʱ¼ä£ºÖÜÒ»ÖÁÖÜÎ壬9:30-18:30£¬½ÚãåÈÕÐÝÏ¢

QR code
sitemap¡¢ÍøÕ¾µØͼ