$1.$ What command can be used to:

a$.$ Create and export a variable called NEWHOME that is equivalent to the value contained in the HOME variable.

a$.$

b$.$ Find all files that start with the word $$host$$ starting from the $/$etc directory and save the Standard Output to a file called file$1$ and the Standard Error to the same file.

b$.$

c$.$ Display only the lines from the output of the set command that have the word $$bash$$ in them so that the output on the terminal screen od sorted alphabetically.

c$.$

d$.$ Display only the user name $($first field$)$ in the colon$-$delimited $/$etc$/$passwd file and save the output to a file called users in the current directory.