Limited Shell Through this program, you will learn to do the following: Work with processes using fork, pipe, wait, dup2, and the exec system calls. Additional practice with a Makefile with an all target Work with the different address spaces The main idea of this program is to write a limited function shell that only runs a few programs from a menu. Perform "four" small programs to start with followed by the menu program called newshell. Part 1. letters One program will output the letters in the alphabet to the screen. Make sure they are printed one at a time, one per line. Usage would be: letters Output would be: A B C Etc.

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Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.