What does the following Bash script do?#!/usr/bin/env bash var="Tech"if [ -e "$var" ]then if [ -f "$var" ] then echo "Betty" elif [ -d "$var" ] then echo "School" fielse echo "$var doesn't exist"fiChecks if Tech exists and prints “Tech exists”Checks if Tech exists, otherwise prints “Tech doesn’t exist”. If it exists and it’s a file, print “Betty”, otherwise if it’s a directory, print “School”.Checks if a file (inputted by the user) exists, otherwise prints “File doesn’t exist”. If it exists and it’s a file, print “Betty”, otherwise if it’s a directory, print “School”.I don't knowSubmit

What does the following Bash script do?#!/usr/bin/env bash var="Tech"if [ -e "$var" ]then if [ -f "$var" ] then echo "Betty" elif [ -d "$var" ] then echo "School" fielse echo "$var doesn't exist"fiChecks if Tech exists and prints “Tech exists”Checks if Tech exists, otherwise prints “Tech doesn’t exist”. If it exists and it’s a file, print “Betty”, otherwise if it’s a directory, print “School”.Checks if a file (inputted by the user) exists, otherwise prints “File doesn’t exist”. If it exists and it’s a file, print “Betty”, otherwise if it’s a directory, print “School”.I don't knowSubmit

What does the following code snippet do?

Here is a single line from a much longer script. What does the following line do?cd /home/$userid || echo "$username has valid ID for operation"Change directory to  /home/$userid and then write "$username has valid ID for operation"change directory to pacified path (/home/$userid) or echo "$username has valid ID for operation"The line writes "$username has valid ID for operation" every timeCheck to see if /home/$userid exists then write "$username has valid ID for operation"

Please choose an appropriate answer.What is the first line in a Bash script called?introshebangstartbanginclude

QuestionA user is reviewing a script and comes across the code in one of the lines as follows. What is the line doing? #until ping -c1 "$1" &>/dev/null A.Set a variable.B.Set a loop.C.Nothing is executing.D.Prevent from writing to the terminal.