Which of the following are requirements in order to run a shell script like a regular command from anywhere
in the filesystem? (Choose THREE correct answers.)

What is the purpose of the file /etc/profile?

Which of the following SQL queries counts the number of occurrences for each value of the field order_type
in the table orders?

Which of the following commands lists all defined variables and functions within Bash?

Which of the following words is used to restrict the records that are returned from a SELECT SQL query
based on a supplied criteria for the values in the records?

What output will the following command produce?
seq 1 5 20

When the command echo $$ outputs 12942, what is the meaning of 12942?

How can the existing environment variable FOOBAR be suppressed for the execution of the script./myscript only?

What is the difference between the commands test -e path and test -f path?

Which of the following files, when existing, affect the behavior of the Bash shell? (Choose TWO correct
answers.)