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Rebuild GRUB ÕÒ»ØʧȥµÄlinuxϵͳ

 
 
ÎҵĵçÄÔÒ»¸öÓ²ÅÌ£¬×°XP+Fedora8£¬Ç°¶Îʱ¼äXPÄÖ±ðŤ£¬ÎÞÄÎÏÂÖØ×°ÁËXP£¬¿ÉÕâÑù¾Í½ø²»ÁËFedoraÁË¡£ һֱûɶÊ£¬ËùÒÔÒ²¾Íû¹Ü¡£
×î½üÐèÒªÓõ½linuxÁË£¬ÓÖ²»ÏëÖØ×°Fedora8£¨°²×°ºÃÂý£¬»¹ÒªÉý¼¶É¶µÄ£©£¬ÓÚÊÇÉÏÍøÕÒ½â¾ö°ì·¨£¬»¹Õæ¾ÍÕâÑù¸ãºÃÁË£¬Ë³Àû½øÈëÁËFedora£¬²»ÓÃÖØ×°£¬Ë¬¡«  ·½·¨ÈçÏ£º
1.Fedora°²×°¹âÅÌÒýµ¼£¬½øÈërescue mode.
2. ¹âÅÌËÑË÷Ô­ÓÐlinuxϵͳ²¢¹ÒÔØÔÚĿ¼/mnt/sysimageÏ£¬ÃüÁîÐÐ
    chroot /mnt/sysimage
    ÕâʱÄãËù´¦Î»ÖþÍÊÇÔÚ/Ŀ¼ÏÂÁË
    cd /boot/grub
    vi grub.conf    ²é¿´linuxµÄ·ÖÇø £¨ÎÒµÄΪ"(hd0,7)"£©
3. ÃüÁîgrubÆô¶¯
4. root (hd0,7)
5. setup (hd0,7)
ÔòÒѾ­½«grub°²×°ÔÚlinux·ÖÇø¡£È»ºóͨ¹ýwindows XPµÄbootÀ´Òýµ¼Grub
½øÈëXP£¬ÏÂÔØbootpart 2.60Õâ¸öС³ÌÐò£¬ÃüÁîÐÐÊäÈ룺bootpart´òÓ¡³öÓ²Å̵ķÖÇøÐÅÏ¢£¬
Ñ¡ÔñÒª½øÐÐÒýµ¼µÄ·ÖÇø£¬°²×°µ½boot.iniÖУ¬ÃüÁîÈçÏ£º
bootpart.exe 8 boot.sec Fedora8
±íʾ½«±àºÅΪ8µÄ·ÖÇøµÄÒýµ¼ÐÅϢдÈëboot.secÎļþ£¬²¢ÇÒÉèÖÃboot.iniÌí¼ÓÒ»ÏÃû³ÆΪ"Fedora8".
ÖØÆô£¬Ñ¡ÔñFedora8£¬½øÈëÁËGRUB²Ëµ¥£¬Òýµ¼½øÈëlinux£¡


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LinuxÃüÁîС¼Ç

 ~ µ±Ç°Óû§Ä¿Â¼µÄËõд
 cd ~
 cd /home/<user-name>/
--help »ñÈ¡°ïÖú
 vi --help
tab ×Ô¶¯²¹È«¡£Ë«»÷tab¸ø³ö²¹È«Ìáʾ¡£
 Èôµ±Ç°ÃüÁîÎÞÆçÒ壬ÔòÍêÕû²¹È«¡£ÈôÓÐÆçÒåË«»÷¿ÉÁгöÌáʾѡÏî¡£
 cd /e [tab], ²¹È«Îªcd /etc/
 cd /b [tab-tab], ÁгöÑ¡Ïîbin/ bo ......

ǶÈëʽLinuxÎļþϵͳ¼ò½é

LinuxÖ§³Ö¶àÖÖÎļþϵͳ£¬°üÀ¨ext2¡¢ext3¡¢vfat¡¢ntfs¡¢iso9660¡¢jffs¡¢romfsºÍnfsµÈ£¬ÎªÁ˶Ը÷ÀàÎļþϵͳ½øÐÐͳһ¹ÜÀí£¬LinuxÒýÈëÁËÐéÄâÎļþϵͳVFS(Virtual File System)£¬Îª¸÷ÀàÎļþϵͳÌṩһ¸öͳһµÄ²Ù×÷½çÃæºÍÓ¦Óñà³Ì½Ó¿Ú¡£
    LinuxϵÄÎļþϵͳ½á¹¹ÈçÏ£º
    LinuxÆô¶¯Ê±£¬ ......

linuxÄں˳õʼ»¯¼°Æô¶¯Ö®Óû§Ä£Ê½¿ªÊ¼

 
PCI: bus0: Fast back to back transfers disabled
PCI: Configured XX as a PCI slave with 128MB PCI memory
PCI: Each Region size is 16384KB
PCI: Reserved memory from 0x10080000 to 0x15080000 for DMA and mapped to 0x12000000
¡¡¡¡É豸µÄ³õʼ»¯ init()--->do_basic_init()--->pci_init()£¬³õÊ ......

Linux shell I/OÖض¨ÏòÏê½â

 I/OÖض¨ÏòÏê½â¼°Ó¦ÓÃʵÀý
1¡¢ »ù±¾¸ÅÄÕâÊÇÀí½âºóÃæµÄ֪ʶµÄÇ°ÌᣬÇëÎñ±ØÀí½â£©
a¡¢ I/OÖض¨Ïòͨ³£Óë FDÓйأ¬shellµÄFDͨ³£Îª10¸ö£¬¼´ 0¡«9£»
b¡¢ ³£ÓÃFDÓÐ3¸ö£¬Îª0£¨stdin£¬±ê×¼ÊäÈ룩¡¢1£¨stdout£¬±ê×¼Êä³ö£©¡¢2£¨stderr£¬±ê×¼´íÎóÊä³ö£©£¬Ä¬ÈÏÓëkeyboard¡¢monitor¡¢monitorÓйأ»
c¡¢ Óà < À´¸Ä±ä¶Á½øµÄ ......

Ubuntu Linux 8.04À¶ÑÀÉ豸Á¬½Ó¹ÜÀí·½·¨

1.Æô¶¯À¶ÑÀÉ豸
sudo /etc/init.d/bluetooth restart
»òÕß
sudo /etc/init.d/bluez-utils restart
 
2.ʹÓÃhcitool dev²é¿´¼ÆËã»úÉϵÄÀ¶ÑÀÉ豸
teapot@teapot:~$ hcitool dev
Devices:
hci0 00:16:CF:DB:B4:BF
teapot@teapot:~$
 
3.°²×°É豸
²éѯÉ豸µØÖ·
teapot@teapot:~$ sudo hidd - ......
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