Thẻ: C Programming

In our last article on Linux System Calls, I defined a system call, discussed the reasons one might use them in a program, and delved into their advantages and disadvantages. I even gave a brief example in assembly within C....

pipe() is a Linux system function. The pipe() system function is used to open file descriptors, which are used to communicate between different Linux processes. In short, the pipe() function is used for inter-process communication in Linux.  In this article,...

The dup2() system function is used to create a copy of an existing file descriptor. In Linux, there are 3 standard file descriptors. They are: stdin: This is the standard input file descriptor. It is used to take input from...

fork() system call is used to create child processes in a C program. fork() is used where parallel processing is required in your application. The fork() system function is defined in the headers sys/types.h and unistd.h. In a program where...

The exec family has many functions in C. These C functions are basically used to run a system command in a separate process that the main program and print the output. In this article, I am going talk about the...