Bash Shell – Default shell in many Linux/Unix distributions.Explain briefly about three popular Linux shells? Utility Programs(Utilities) – These programs or software running on a top layer of OS help users with day-to-day generic activities like schedule a cron job or a specific task like create text documents.Ģ.Shell accepts commands and passes them for execution. Nowadays GUI replaces shell to a large extent. Simply saying it is a program that can run other programs. Shell – Shell is a program running on top of the Kernel, which acts as a primary method of interaction between user and kernel.There are different types of kernels like a microkernel, Monolithic Kernel, etc. Kernel – Kernel is a heart of an OS with hides the complexities of the underlying hardware and provides a high-level abstraction to upper layers.There might be driver software to communicate with devices in some OS. Hardware’s – Innermost layer consists of physical devices like RAM, CPU, etc.What are the different layers of Linux?īelow are the different layers of Linux as following: Web development, programming languages, Software testing & others 1. Start Your Free Software Development Course
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