unset

Question 1

unset

Answer 1

Unset values and attributes of shell variables and functions.

Question 2

unset [option] NAME

• f
• v
• n

Answer 2

• f, Treat each NAME as a shell function.
• v, Treat each NAME as a shell variable.
• n, Treat each NAME as a name reference and unset the variable itself rather than the variable it references.