说明：  讲述linuxUSB驱动开发，是复旦大学学生以调侃的语气讲述。很生动，不枯燥。LINUX那些事儿系列之---Linux那些事儿之我是Sysfs
(About linuxUSB Driven Development is a University student to talk about the tone of ridicule. Very lively, not boring. LINUX those things--- Linux series of those things I was Sysfs)