Programmer Think

UNIX Basics reaction to a book or an article: This chapter is an introduction to Unix. The author summarizes the basic knowledge of Unix in concise language and feels that it is written clearly. UNIX architecture Strictly speaking, the operating system can be defined as a kind of software, which controls the computer hardware resourc ...

introduction In the background development, for file I/O, we usually do not use fopen, fread and fwrite standard I/O encapsulated in C language, but directly use the system call function provided by Linux. Because these system calls do not use user buffers, we deal directly with the kernel, which is more efficient, and we can customize some ope ...