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 Question
Linux Bash Arithmetic Expressions Interview Question

Answer:

b) alias


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What 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 mentioned
What 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