Name

whatis

Synopsis

whatis [expression]

With no argument, print the type of the last value in the value history. This is equivalent to whatis $. With expression, print the type of expression. Note that the expression is not evaluated. No operators with side effects (such as ++, or a function call) execute. See also ptype.

Get Unix in a Nutshell, 4th Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.