Install CPAN on CentOS

CPAN allows to install perl modules. Use following command to install CPAN: Then configure it using following command: Most of the configuration could be done automatically. So choose that option. To quit the cpan CLI write ‘q’ and press enter.

Kernel Architecture of Various Popular Operating Systems.

Overview : UNIX : Layered Architecture Linux : Monolithic Architecture Windows : Hybrid Architecture (Microkernel + Layered) Mach : Microkernel Architecture. UNIX KERNEL ARCHITECTURE : Unix OS considers files and processes as the most important entities.   Unix offers a shell that acts as a command interpreter between the user and the kernel. The relevant … Read moreKernel Architecture of Various Popular Operating Systems.

Types of Operating System Architecture Models

There are mainly three types of operating system architecture models : Monolithic OS : Used in older but smaller operating systems. Operating system is divided into procedures. Each procedure have a particular task and all procedures have common data structures and system tables. Each procedure can call other procedures. Resulting in high degree of inter-process … Read moreTypes of Operating System Architecture Models