- These files are packaged in an auto-install format. Type the executable name to install it. For example, type "sp4chki" for x86 platforms or "sp4chka" for Alpha platforms (without the quotation marks). - The symbol files are packaged in an auto-extract format. Type the executable name to extract them. For example, type "sp4csymi" for x86 platforms or "sp4csyma" for Alpha platforms (without the quotation marks).