在Linux中，文件描述符（file descriptor, fd）和FILE指针（也称为文件流指针，FILE pointer）是两种常见的文件操作接口。文件描述符是一个整数，通过系统调用直接操作文件，而FILE指针是通过C标准库函数操作文件。 文件描述符（fd）： 由操作系统分配的一个整数标识 ...

One of the best investments in time that a person with a keen interest in operating systems can make is to explore them from multiple angles. Operating system installation and configuration can go a ...

Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...