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struct usb_skel {
     struct usb_device *      udev;                 /* the usb device for this device */
     struct usb_interface *   interface;            /* the interface for this device */
     struct semaphore       limit_sem;         /* limiting the number of writes in progress */
     unsigned char *         bulk_in_buffer;     /* the buffer to receive data */
     size_t         bulk_in_size;                  /* the size of the receive buffer */
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rpm -ivh
http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm
http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-stable.noarch.rpm
2.µ¼Èërpm fusion²Ö¿âµÄÃÜÔ¿
rpm --import http://ATrpms.net/RPM-GPG-KEY.atrpms
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    1.¿´Linux Device DriverÕâ±¾Êé¡£ÕâÊÇΪÁËÈÃÄ㶮µÃ±àÒëÄÚºËÄ£¿éµÄ·½·¨¡£»¹ÓÐΪLinux¸÷ÖÖÉ豸ÁôÏÂһЩӡÏó¡£Í¬Ê±Ò»±é¿´ÊéÒ»±ß¿´Ä³Ð©É豸µÄÔ´´ú ......

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1. Basic Instructions /»ù±¾Ö¸Áî
2. wget /ÏÂÔع¤¾ß
3. Crontab /¶¨Ê±ÈÎÎñ
4. tar/tar.gz /ѹËõÎļþ
5. vi /±à¼­Æ÷
1. Basic Instructions»ù±¾²Ù×÷ÃüÁî
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# iostat -x 1 10
Linux 2.6.18-92.el5xen    02/03/2009
avg-cpu:  %user   %nice %system %iowait  %steal   %idle
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