Unix вопросы и ответы для интервью
Question: What is a shell?</SPAN><SPAN class="answers">
Answer: A shell is an interactive user interface to an operating system services that allows an user to enter commands as character strings or through a graphical user interface. The shell converts them to system calls to the OS or forks off a process to execute the command. System call results and other information from the OS are presented to the user through an interactive interface. Commonly used shells are sh,csh,ks etc. |
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