LinuxÖ¸Áchmod
Ö¸ÁîÃû³Æ : chmod
ʹÓÃȨÏÞ : ËùÓÐʹÓÃÕß
ʹÓ÷½Ê½ : chmod [-cfvR] [--help] [--version] mode file...
˵Ã÷ : Linux/Unix µÄµµ°¸µ÷ÓÃȨÏÞ·ÖΪÈý¼¶ : µµ°¸ÓµÓÐÕß¡¢Èº×é¡¢ÆäËû¡£ÀûÓà chmod ¿ÉÒÔ½åÒÔ¿ØÖƵµ°¸ÈçºÎ±»ËûÈËËùµ÷Óá£
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mode : ȨÏÞÉ趨×Ö´®£¬¸ñʽÈçÏ : [ugoa...][[+-=][rwxX]...][,...]£¬ÆäÖÐ
u ±íʾ¸Ãµµ°¸µÄÓµÓÐÕߣ¬g ±íʾÓë¸Ãµµ°¸µÄÓµÓÐÕßÊôÓÚͬһ¸öȺÌå(group)Õߣ¬o ±íʾÆäËûÒÔÍâµÄÈË£¬a ±íʾÕâÈýÕß½ÔÊÇ¡£
+ ±íʾÔö¼ÓȨÏÞ¡¢- ±íʾȡÏûȨÏÞ¡¢= ±íʾΨһÉ趨ȨÏÞ¡£
r ±íʾ¿É¶ÁÈ¡£¬w ±íʾ¿ÉдÈ룬x ±íʾ¿ÉÖ´ÐУ¬X ±íʾֻÓе±¸Ãµµ°¸ÊǸö×ÓĿ¼»òÕ߸õµ°¸ÒѾ±»É趨¹ýΪ¿ÉÖ´ÐС£
-c : Èô¸Ãµµ°¸È¨ÏÞȷʵÒѾ¸ü¸Ä£¬²ÅÏÔʾÆä¸ü¸Ä¶¯×÷
-f : Èô¸Ãµµ°¸È¨ÏÞÎÞ·¨±»¸ü¸ÄÒ²²»ÒªÏÔʾ´íÎóѶϢ
-v : ÏÔʾȨÏÞ±ä¸üµÄÏêϸ×ÊÁÏ
-R : ¶ÔĿǰĿ¼ÏµÄËùÓеµ°¸Óë×ÓĿ¼½øÐÐÏàͬµÄȨÏÞ±ä¸ü(¼´ÒԵݻصķ½Ê½Öð¸ö±ä¸ü)
--help : ÏÔʾ¸¨Öú˵Ã÷
--version : ÏÔʾ°æ±¾
·¶Àý :½«µµ°¸ file1.txt ÉèΪËùÓÐÈ˽ԿɶÁÈ¡ :
chmod ugo+r file1.txt
½«µµ°¸ file1.txt ÉèΪËùÓÐÈ˽ԿɶÁÈ¡ :
chmod a+r file1.txt
½«µµ°¸ file1.txt Óë file2.txt ÉèΪ¸Ãµµ°¸ÓµÓÐÕߣ¬ÓëÆäËùÊôͬһ¸öȺÌåÕß¿ÉдÈ룬µ«ÆäËûÒÔÍâµÄÈËÔò²»¿ÉдÈë :
chmod ug+w,o-w file1.txt file2.txt
½« ex1.py É趨ΪֻÓиõµ°¸ÓµÓÐÕß¿ÉÒÔÖ´ÐÐ:
chmod u+x ex1.py
½«Ä¿Ç°Ä¿Â¼ÏµÄËùÓеµ°¸Óë×ÓĿ¼½ÔÉèΪÈκÎÈ˿ɶÁÈ¡ :
chmod -R a+r *
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Ó﷨Ϊ£ºchmod abc file
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chmod a=rwx file
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chmod 777 file
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chmod ug=rwx,o=x file
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chmod 771 file
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