Environment Question: Download Linux Environment PDF

Which is true with regards to the shell prompt:
a) It can be accidentally erased with backspace
b) The prompt cannot be modified
c) The prompt can be customized (modified)
d) None of the mentioned

c) The prompt can be customized (modified)

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What is a shell in UNIX? a) a program through which users can issue commands to UNIX b) a window management system c) the login screen d) the thing that rides on the back of a turtle in UNIX	Which of the following is true? a) Shell is a process and can be started by superuser only b) Shell is a built-in Kernel functionality c) Shell is a wrapper for all the commands and utilities d) None of the mentioned