驱动如何区分出次设备号。 read/write接口函数要能够获得字符设备结构体变量地址。 什么是文件描述符？ Linux 中一切都可以看作文件，包括普通文件、链接文件、Socket 以及设备驱动等，对其进行相关操作时，都可能会创建对应的文件描述符。文件描述符（file ...

It's the day after Independence Day in the US, and much of our staff is just returning to their preferred work machines. If this was 1997 instead of 2018, that would mean booting up BeOS for some. The ...

Though the feature wasn’t mentioned in Apple’s WWDC 2016 keynote, I’m most excited about the introduction of the Apple File System, or APFS. The preliminary version of the developer documentation is ...