Code in Bash script Write script/command to:- a. Print the all the elements of an array without using loops. b. Print the last argument of the last command c. Print the number of arguments passed to...

Code in Bash script

Write script/command to:-

a. Print the all the elements of an array without using loops.
b. Print the last argument of the last command
c. Print the number of arguments passed to the script. ID of the current script.
d. Print “ERROR ERROR ERROR” if VAR is null.
e. List all the files in a directory including hidden files.