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LinuxÏÂRamdisk¸ùÎļþϵͳÖÆ×÷¹ý³Ì½âÎö

http://www.soidc.net/articles/1215484977397/20080407/1215945405315_1.html
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    ÉèÒѽ¨Á¢ºÃµÄÎļþϵͳѹËõÎļþΪramdisk.gz
    1¡¢½âѹ
    #cd ramdisk.gzËùÔÚĿ¼
    #gunzip ramdisk.gz
    ÔÚ½âѹºó£¬µÃµ½Îļþϵͳ¾µÏóÎļþramdisk£¬ ¸²¸ÇÁËÔ­À´µÄѹËõÎļþ
    2¡¢¾µÏóÎļþ¹ÒÔØ
    ¾µÏóÎļþ±ØÐë¾­¹ý¹ÒÔغó²ÅÄÜ¿´µ½ÎļþϵͳÖеĸ÷¸öĿ¼ºÍÏêϸÄÚÈÝ
    #mkdir /mnt/loop /* /mnt/loop ÊÇÎļþϵͳҪ¹ÒÔص½µÄĿ¼
    #mount ?Co loop ramdisk /mnt/loop
    ÔÚ¹ÒÔØĿ¼/mnt/loop϶ÔÎļþϵͳ½øÐвÙ×÷
    #cd /mnt/loop
    #do_whatever_you_want_to_do /*¸ù¾ÝÐèÒªÔö¼Ó¡¢É¾¼õ»òÊÇÐÞ¸ÄÎļþϵͳµÄÄÚÈÝ
    4¡¢Ð¶×°Îļþϵͳ
    Ìøµ½/mnt/loopĿ¼Í⣬·ñÔòÎÞ·¨Ð¶×°£¬Ìáʾbusy
    #cd ramdiskËùÔÚĿ¼
    #umount /mnt/loop
    5¡¢Ñ¹ËõÎļþϵͳ
    #gzip ?Cv9 ramdisk /*Éú³Éramdisk.gzѹËõÎļþ
    ¶þ¡¢×Ô¼º½¨Á¢¸ùÎļþϵͳ
    1¡¢½¨Á¢loopÉ豸µÄÁÙʱ¹ÒÔصã
    #mkdir /mnt/loop
    2¡¢½¨Á¢Ò»¸ö´óСΪ15MµÄÁÙʱÎļþ
    #dd if=/dev/zero of=/tmp/loop_tmp bs=1k count=15360
    ×¢Òâ¿É¸ù¾Ý×Ô¼ºµÄÐèÒª½¨Á¢´óСºÏÊʵÄÎļþϵͳ£¬¸ü¸Äcount´óС¼´¿É¡£
   
´Ë´¦ÒÔddÃüÁÁ¢Ò»¸öÁËÒ»¸ö15360KBÎļþϵͳӳÏ󣬴æÓÚ/tmp/loop/tmp£¬²¢ÒÔ¡£dev/zero¶ÔËü½øÐгõʼ»¯¡£ÓÃÕâÖÖ·½Ê½¶ÔÎļþϵ
ͳ½øÐгõʼ»¯£¬ÉÔºóµ±ÎÒÃÇʹÓÃgzipÃüÁîѹËõÕû¸öÓ³Ïóʱ£¬½«ÈÃÎļþϵͳÖÐδʹÓõIJ¿·Ö»ñµÃ×î´óѹËõ±È¡£
    3¡¢½«É豸ÎļþÓëÁÙʱÎļþÁªÏµÆðÀ´
    #losetup /dev/loop0 /tmp/loop_tmp
    °ÑÉ豸Îļþ/dev/loop0ÓëÁÙʱ¾µÏóÎļþ/tmp/loop_tmpÁªÏµÆðÀ´£¬/dev/loop0ÊǸö¿éÉ豸
    Èç¹û³öÏÖ“ioctl£ºLOOP_SET_FD£ºÉ豸»ò×ÊԴ攣¬ËµÃ÷/dev/loop0É豸»¹ºÍÒ»ÎļþÁªÏµ£¬¿ÉÓÃlosetup
/dev/loop0²é¿´µØ£¬²¢¿ÉÓÃ-d ɾ³


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vi Öйرճö´í bell ÉùÒô
http://blog.csdn.net/coolrocky/archive/2001/06/05/8080.aspx
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http://hi.baidu.com/zjd168/blog/item/c8300846b5a6ec0e6a63e5d8.html
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http://linux.chinaunix.net/techdoc/install/2009/05/16/1112897.shtml
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ÔÚWindowsÏÂÔ¶³Ì×ÀÃæÁ¬½ÓLinux XManagerƪ

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Ô­ÎÄ£ºhttp://www.cnblogs.com/hiloves/archive/2010/05/18/1738084.html
 
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asterisk ÒÆÖ²µ½ ǶÈëʽlinux ppc_6xx »·¾³ÏÂ

http://blog.csdn.net/ren911/archive/2010/05/10/5576456.aspx
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ÔÚËÞÖ÷»úÉÏasteriskÔ´Âë°ü½âѹËõºóµÄĿ¼ÏÂ:
1.  ./configure CC=ppc_6xx_gcc --without_gnu_ld __host=ppc_linux
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2. make menuselect £¨Ñ¡Ô ......

linuxµÄPCÉϹÒÔØjffs2¸ùÎļþϵͳӳÏñ

http://linux.ctocio.com.cn/437/8831437.shtml
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