<div>
<div class="content wysiwyg-content">
i know library and systemcalls cannot be accessed in kernel space , i have seen using<br />
memset in kernel code , memset is a library call and how it is working ?<br />
<br />
i need to access open system call in kernel space is it possible to open a disk file in kernel space for reading.
</div>
</div>


i know library and systemcalls cannot be accessed in kernel space , i have seen using
memset in kernel code , memset is a library call and how it is working ?

i need to access open system call in kernel space is it possible to open a disk file in kernel space for reading.

how to access system/library calls  in kernel space.

Linux is a UNIX-like open source operating system with hundreds of distinct distributions, including: Fedora, openSUSE, Ubuntu, Debian, Slackware, Gentoo, CentOS, and Arch Linux. Linux is generally associated with web and database servers, but has become popular in many niche industries and applications.

Linux

Kernel programming for Linux operating systems can be done with many different languages; C, C++, Python, Perl and Java, which are some of the most common languages used.There are also many different varieties of Linux, such as Ubuntu, Fedora and OpenSUSE.

Linux OS Dev

Kernel and system programming is the process of creating the software necessary for a computer or device to function and operate other programs. Some operating systems (such as Microsoft Windows) are proprietary, but others, such as the various Linux distributions, are open source.

System Programming

C is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations. By design, C provides constructs that map efficiently to typical machine instructions, so it has found lasting use in applications that had formerly been coded in assembly language, including operating systems as well as various application software for computers ranging from supercomputers to embedded systems. It is distinct from C++ (which has its roots in C) and C#, and many later languages have borrowed directly or indirectly from C.