Windows PowerShell gives you the option to implement extra modules which can be used from within your scripts after invoking them with the appropriate command. For demonstrative purposes I will use the WASP module (Windows Automation Snapin for PowerShell) here.
Windows 7 offers the possibility to switch between preinstalled sound schemes and also create new ones and delete those again. What it does not provide however is a way to export and import those schemes to use them on other
Importing and exporting whole sound schemes becomes handy if you want to apply your schemes to different computers or setup your system anew and don't want to copy the whole Windows theme. Doing so proves trickier as one might think
SSL certificates are used to sign and encrypt/decrypt mails in thunderbird via S/MIME. If you have got a certificate that you want to use to validate your identity, import it as follows: Open Thunderbird and go to Edit > Preferences: