Well by definition we have: In computing, the term shell is used to refer to those programs that provide a user interface to access the services of the operating system.
Kahle ngencazelo esinayo: Ekusebenziseni ikhompyutha, igama igobolondo isetshenziselwa ukubhekisa kulezo zinhlelo ezinikezela ngesibonisi somsebenzisi ukufinyelela izinsiza zohlelo lokusebenza.