This chapter describes the system call concept in the linux kernel.
​Introduction to system call concept - this part is introduction to the system call concept in the Linux kernel.
​How the Linux kernel handles a system call - this part describes how the Linux kernel handles a system call from a userspace application.
​vsyscall and vDSO - third part describes vsyscall and vDSO concepts.
​How the Linux kernel runs a program - this part describes startup process of a program.
​Implementation of the open system call - this part describes implementation of the open system call.
​Limits on resources in Linux - this part describes implementation of the getrlimit/setrlimit system calls.