LinuxÏÂij¸öĿ¼ÏµÄÎļþ°´´óСÅÅÐò
1. df -lh
²é´ÅÅÌʹÓÃÇé¿ö
2. du -s /usr/* | sort -rn
ÕâÊǰ´×Ö½ÚÅÅÐò
3. du -sh /usr/* | sort -rn
ÕâÊǰ´Õ×£¨M£©À´ÅÅÐò
4.Ñ¡³öÅÅÔÚÇ°ÃæµÄ10¸ö
du -s /usr/* | sort -rn | head
5.Ñ¡³öÅÅÔÚºóÃæµÄ10¸ö
du -s /usr/* | sort -rn | tail
˵Ã÷£º/usr/*Ò²¿ÉÒԸijÉÄãÏëµ½´ïµÄÈκÎĿ¼
Èç/usr/local/zhou/resin Õâ¸öĿ¼¾Í¿ÉÒÔд³É
/usr/local/zhou/resin/*
6¡¢ls -S
7¡¢
½µÐòÅÅÁÐ ls -l |sort -rn
ÉýÐòÅÅÁÐ ls -l |sort -n
Ïà¹ØÎĵµ£º
£¨L2CAPÐÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPÐÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼Á¬½Ó¿ØÖƺÍÊÊÅäÐÒé (L2CAP) ΪÉϲãÐÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àÐÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãÐÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......
Linux 2.6.19.x Äں˱àÒëÅäÖÃÑ¡Ïî¼ò½é ×÷Õߣº½ð²½¹ú °æÈ¨ÉùÃ÷ ±¾ÎÄ×÷ÕßÊÇһλ×ÔÓÉÈí¼þ°®ºÃÕߣ¬ËùÒÔ±¾ÎÄËäÈ»²»ÊÇÈí¼þ£¬µ«ÊDZ¾×Å GPL µÄ¾«Éñ·¢²¼¡£ÈκÎÈ˶¼¿ÉÒÔ×ÔÓÉʹÓá¢×ªÔØ¡¢¸´ÖƺÍÔÙ·Ö·¢£¬µ«±ØÐë±£Áô×÷ÕßÊðÃû£¬Ò಻µÃ¶ÔÉùÃ÷ÖеÄÈκÎÌõ¿î×÷ÈκÎÐÎʽµÄÐ޸ģ¬Ò²²»µÃ¸½¼ÓÈÎºÎÆäËüÌõ¼þ¡£Äú¿ÉÒÔ×ÔÓÉÁ´½Ó¡¢ÏÂÔØ¡¢´«²¥´ËÎĵµ ......
PCIÊÇÒ»Öֹ㷺²ÉÓõÄ×ÜÏß±ê×¼£¬ËüÌṩÁËÐí¶àÓÅÓÚÆäËü×ÜÏß±ê×¼£¨ÈçEISA£©µÄÐÂÌØÐÔ£¬Ä¿Ç°ÒѾ³ÉΪ¼ÆËã»úϵͳÖÐÓ¦ÓÃ×îΪ¹ã·º£¬²¢ÇÒ×îΪͨÓõÄ×ÜÏß±ê×¼¡£LinuxµÄÄÚºËÄܽϺõØÖ§³ÖPCI×ÜÏߣ¬±¾ÎÄÒÔIntel 386Ìåϵ½á¹¹ÎªÖ÷£¬Ì½ÌÖÁËÔÚLinuxÏ¿ª·¢PCIÉ豸Çý¶¯³ÌÐòµÄ»ù±¾¿ò¼Ü¡£
Ò»¡¢PCI×ÜÏßϵͳÌåϵ½á¹¹
PCIÊÇÍâΧ ......
ÓÐÐí¶àÊ£¬ÐèÒª»Øµ½u-boot²ÅÄÜ˵Çå³þ……
include\configs\XXXX.hÖУ¨XXXXÊÓ¾ßÌåÆ½Ì¨¶ø¶¨£©£¬Ò»°ã»á×÷ÀàËÆÈç϶¨Ò壺
#define CONFIG_BOOTCOMMAND "mmcinit; fatload mmc 0 0x81c00000 uImage; bootm 0x81c00000"
±àÒëʱ¸ÃºêCONFIG_BOOTCOMMAND´«µÝ¸øÒ»¸öENVÏîbootcmd£¬¶øÔÚcommon\main.cÖУ¬º¯Êýmain_loopÈ ......
ÕâÁ½Ìì¿´ÁËÒ»±¾fedora 6µÄʵ¼ù½Ì³Ì£¬ÏÂÃæÊÇÓйØlinuxÎļþϵͳ֪ʶµÄѧϰ±Ê¼Ç£º
1¡¢linuxÎļþϵͳ·ÖÅä²ßÂÔ£º
¿é·ÖÅä( block allocation ) ºÍ À©Õ¹·ÖÅä ( extent allocation )
¿é·ÖÅ䣺´ÅÅÌÉϵÄÎļþ¿é¸ù¾ÝÐèÒª·ÖÅ䏸Îļþ£¬±ÜÃâÁË´æ´¢¿Õ¼äµÄÀË·Ñ¡£µ«µ±ÎļþÀ©³äʱ£¬»áÔì³ÉÎļþÖÐÎļþ ......