whence - Determine how command is interpreted

whence [ -afpv ] name ...

Description

The whence utility displays how each specified name is interpreted. The name can be an alias, function, special shell built-in, shell built-in, reserved word, or file.

Note that whence is equivalent to command -v and whence -v is equivalent to command -V.

Options

-a

Show all uses for name.

-f

Do not check to see if name is a function.

-p

Do not check to see if name is a reserved word, a built-in utility, an alias, or a function.

-v

Display the type of name.

Operands

Each name is a utility in the current environment.

Exit Status

• 0 when every name is found
• >0 when unsuccessful

Related information

• command - Run a simple command
• dot (.) - Run commands in current environment
• eval - Construct command by concatenating arguments
• type - Find type of command

1. Find the type of the reserved word for:

   whence -v for