Environment Question:

Which of the following commands allows definition and assignment of environment variables under bash?
a) env
b) export
c) environ
d) setenviron

a) env

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To feed standard output of one command to standard input of another in a single shell session: a) IO redirection can be used b) Named pipes can be used c) The pipe operator provided by the shell can be used d) It can not be done	While executing a command, the shell: a) Executes it in the same process (as shell) b) Creates a child shell to execute it c) Loads a special program to take care of the execution d) None of the above