Linux Bash Arithmetic Expressions Question: Which command sets up shorthand for command or command line? a) set b) alias c) new d) echo Linux Bash Arithmetic Expressions Interview QuestionAnswer: b) alias Previous QuestionNext QuestionWhat is the output of this program? #!/bin/bash a=1; b=2; c=3 d=$(( ++a**b*c++ + a )) echo $d exit 0 a) 14 b) 12 c) program will generate an error message d) none of the mentionedWhat is the function of bind command in bash shell? a) defining new macros b) defining new key bindings for existing commands c) dumping the installed key bindings d) all of the mentioned