字符设备是 Linux 驱动中最基本的一类设备驱动，字符设备就是一个一个字节，按照字节流进行读写操作的设备，读写数据是分先后顺序的。比如我们最常见的点灯、按键、 IIC、 SPI，LCD 等等都是字符设备，这些设备的驱动就叫做字符设备驱动。 在详细的学习 ...

While it may not be obvious to the casual user, Linux file systems have evolved significantly over the last decade or so to make them more resistant to corruption and performance problems. Most Linux ...

In the Linux environment, the file system acts as a backbone, orchestrating the systematic storage and retrieval of data. It is a hierarchical structure that outlines how data is organized, stored, ...

I have previously covered obtaining and installing Ubuntu Linux, and this time I will touch on desktop and server installations. Both types of installation address ...

首先看一下原子操作，原子操作就是指不能再进一步分割的操作，一般原子操作用于变量或者位操作。假如现在要对无符号整形变量 a 赋值，值为 3，对于 C 语言来讲很简单，直接就是： a=3 但是 C 语言要先编译为成汇编指令， ARM 架构不支持直接对寄存器进行 ...

Basically any job that exists for Windows exists for Linux as well, with the (mostly) exception of basic desktop support. (That exists too, but it's fairly rare and usually is going to require Windows ...