doskey /history > commands.log- dump command line promt history to file

some_command > output_file.txt 2>&1 - Redirect stdout and stderr to the same file src

Share wifi from command line (probably obsolete in Win 8, 10)

netsh wlan set hostednetwork mode=allow ssid="NETWORK_NAME" key="NETWORK_PASSWORD" keyUsage=persistent
netsh wlan start hostednetwork

Then in the properties of the internet connection enable access.

Then allow in firewall.