PowerShell Builtin Help

By Xah Lee. Date: 2009-07. Last updated: 2021-07-02.

help help: Show how to use help, and topics.
help dir: Show doc for “dir”
help *r: List all commands ending in “r”

pwsh help 2021-01-31 — pwsh help dir, on Microsoft Windows 10

Help Screen Keys

These are the basic keys.

Space → show next screen.
h → show key help.
q → quit.

On Windows, to see previous page: exit help, then PageUp. On Linux/MacOS, press b.

Tab Key for Name Completion

Press Tab key for name completion. Press Tab again to see next choice.

Completion work on option names too. For example, type help dir -e then Tab.