Thẻ: System Calls

Linux System Calls System calls provided by the linux kernel are exposed in the C programming language via glibc.  When a system call is used, you are communicating to the OS and on return the OS communicates to you through...

Fork System Call The fork system call is used to create a new processes. The newly created process is the child process. The process which calls fork and creates a new process is the parent process. The child and parent...

The exec system call is used to execute a file which is residing in an active process. When exec is called the previous executable file is replaced and new file is executed. More precisely, we can say that using exec...

First Things First Before we delve into the definition of a Linux system call and examine the details of its execution, it is best to start with defining the various software layers of a typical Linux system. The Linux kernel...