Linux sys.c

"sys.c" is a file name commonly used in Linux kernel development to refer to the implementation of system call handlers. System calls are the interface between user space and kernel space in the operating system, allowing applications to request services from the kernel.

The sys.c file typically contains the implementation of all the system call handlers, which are functions that execute when a system call is made. These functions are responsible for handling the arguments passed by the user space application, performing any necessary operations, and returning the result back to the application.

The Linux kernel provides a set of standard system calls for common operations such as file I/O, process management, and network communication. Additional system calls can be added by kernel developers to provide new functionality or enhance existing features.

The sys.c file is an important component of the Linux kernel, and any modifications or additions to system calls must be carefully tested and reviewed to ensure the stability and security of the operating system.