Which of the following SQL queries counts the number of…
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 varia…
Which of the following commands lists all defined variables and functions within Bash?
Which of the following words is used to restrict the re…
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?
What output will the following command produce?
seq 1 5 20
what is the meaning of 12942?
When the command echo $$ outputs 12942, what is the meaning of 12942?
How can the existing environment variable FOOBAR be sup…
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 pat…
What is the difference between the commands test -e path and test -f path?
Which of the following files, when existing, affect the…
Which of the following files, when existing, affect the behavior of the Bash shell? (Choose TWO correct
answers.)
Which of the following commands puts the output of the …
Which of the following commands puts the output of the command date into the shell variable mydate?
which output does: myfunction A B C Produce?
After issuing:
function myfunction { echo $1 $2 ; }
in Bash, which output does:
myfunction A B C
Produce?