linuxÆô¶¯¹ý³Ì
linuxÆô¶¯Á÷³Ì£º
ϵͳԤ´¦Àí³ÌÐò->GRUB (´Ë½×¶Î¿ÉÒÔÀí½âΪbootloader½×¶Î)
->kernel (´Ë½×¶ÎΪkernel)
->initrd->initÆô¶¯->inittab->rc.sysinit->functions(PATH)->modules->rcX.d(¶ÁÅäÖÃÎļþ)
1.->×Ö·ûģʽ->tty->bash
2.->ͼÐÎģʽ->½øÈëX Window->gdm->xorg->gdm login ->GNOMESession
´ËÈÕÖ¾Ö»×÷±¾È˱ʼDZ¸·Ý£¬ÈçÓдíÎ󣬿ÒÇëÖ¸½Ì¡£
Ïà¹ØÎĵµ£º
Ó²Å̽ӿÚÊÇÓ²ÅÌÓëÖ÷»úϵͳ¼äµÄÁ¬½Ó²¿¼þ£¬×÷ÓÃÊÇÔÚÓ²ÅÌ»º´æºÍÖ÷»úÄÚ´æÖ®¼ä´«ÊäÊý¾Ý¡£²»Í¬µÄÓ²Å̽ӿھö¶¨×ÅÓ²ÅÌÓë¼ÆËã»úÖ®¼äµÄÁ¬½ÓËÙ¶È£¬ÔÚÕû¸öϵͳÖУ¬Ó²Å̽ӿڵÄÓÅÁÓÖ±½ÓÓ°Ïì×ųÌÐòÔËÐпìÂýºÍϵͳÐÔÄܺûµ¡£´ÓÕûÌåµÄ½Ç¶ÈÉÏ£¬Ó²Å̽ӿڷÖΪIDE¡¢SATA¡¢SCSIºÍ¹âÏËͨµÀËÄÖÖ£¬IDE½Ó¿ÚÓ²Å̶àÓÃÓÚ¼ÒÓòúÆ·ÖУ¬Ò²²¿·ÖÓ¦ÓÃÓÚ· ......
man¾ÍÊÇmanualµÄËõд£¬ÓÃÀ´²é¿´ÏµÍ³ÖÐ×Ô´øµÄ¸÷Öֲο¼Êֲᡣ
Ò»¡¢ËµÃ÷
1£¬ÊÖ²áÒ³·ÖΪºÃ¼¸¸ö²¿·Ö£¬ÈçÏÂËùʾ£º
1 Executable programs or shell commands
2 System calls (functions provided by the kernel)
3 Library calls (functions within program libraries)
4 Special files (usually found in /dev)
5 File fo ......
Ŀ¼ºÍÎļþ²Ù×÷
²é¿´µ±Ç°Ä¿Â¼Ïà¶ÔÓÚ¸ùĿ¼µÄλÖÃ
¡¡
¡¡¡¡pwd
²é¿´µ±Ç°Ä¿Â¼ÄÚÈÝ
¡¡¡¡ls
ÒÔ³¤¸ñʽ²é¿´µ±Ç°Ä¿Â¼ÄÚÈÝ¡£¶ÔӦÿ¸öÎļþµÄÌõÄ¿½«°üÀ¨Á¬½ÓÊýÄ¿¡¢ËùÓÐÕß¡¢´óС¡¢×îºóÐÞ¸Äʱ¼ä¡¢È¨ÏÞµÈÄÚÈÝ
¡¡¡¡ls -l
¸Ä±äµ±Ç°Ä¿Â¼¡£Ä¿µÄĿ¼Ãû¿ÉÓÃÏà¶Ô·¾¶±íʾ£¬Ò²¿ÉÒÔÓþø¶Ô·¾¶±íʾ¡£
cd [Ä¿µÄĿ¼Ãû]
×ªÒÆµ½ÉÏÒ»¼¶Ä¿Â¼
c ......
ÔÚVFSµÄÖ§³ÖÏ£¬Óû§Ì¬½ø³Ì¶ÁдÈκÎÀàÐ͵ÄÎļþϵͳ¶¼¿ÉÒÔʹÓÃreadºÍwrite×ÅÁ½¸öϵͳµ÷Ó㬵«ÊÇÔÚlinuxÄÚºËÖÐûÓÐÕâÑùµÄϵͳµ÷ÓÃÎÒÃÇÈçºÎ²Ù×÷ÎļþÄØ£¿ÎÒÃÇÖªµÀreadºÍwriteÔÚ½øÈëÄÚºË̬֮ºó£¬Êµ¼ÊÖ´ÐеÄÊÇsys_readºÍsys_write£¬µ«ÊDz鿴ÄÚºËÔ´´úÂ룬·¢ÏÖÕâЩ²Ù×÷ÎļþµÄº¯Êý¶¼Ã»Óе¼³ö(ʹÓÃEXPORT_SYMBOLµ¼³ö)£¬Ò²¾ÍÊÇ˵ÔÚÄÚºË ......