Command-2: View the items in a Finder window as a list. Command-1: View the items in the Finder window as icons. Option-Command-Y: View a Quick Look slideshow of the selected files. Command-Y: Use Quick Look to preview the selected files.
The set command is often used in the Autoexec.nt file to set environment variables.If you use the set command without any parameters, the current environment settings are displayed. If you use quotation marks to enclose a string that contains one of the special characters, the quotation marks are set as part of the environment variable value.Use environment variables to control the behavior of some batch files and programs and to control the way Windows and the MS-DOS subsystem appears and works. This parameter must be used with the /p parameter.Sets to a numerical expression that is evaluated.If command extensions are enabled (the default) and you run set with a value, it displays all of the variables that begin with that value.The characters , |, &, and ^ are special command shell characters, and they must be preceded by the escape character ( ^) or enclosed in quotation marks when used in (for example, "StringContaining&Symbol"). Syntax set ]Specifies the environment variable to set or modify.Specifies the string to associate with the specified environment variable.Sets the value of to a line of input entered by the user.Specifies a message to prompt the user for input.
You can also use the variables %0 through %9 as input for set.If you call a variable value from a batch file, enclose the value with percent signs ( %). Therefore, 0×12 is the same as 18, which is the same as 022.Delayed environment variable expansion support is disabled by default, but you can enable or disable it by using cmd /v.When creating batch files, you can use set to create variables, and then use them in the same way that you would use the numbered variables %0 through %9. If the variable already exists in the environment, the new string value replaces the old string value.If you specify only a variable and an equal sign (without ) for the set command, the value associated with the variable is cleared (as if the variable is not there).If you use the /a parameter, the following operators are supported, in descending order of precedence: OperatorIf you run set /a from the command line outside of a command script, it displays the final value of the expression.Numeric values are decimal numbers unless prefixed by 0× for hexadecimal numbers or 0 for octal numbers. Two other environment variables used by Windows are PROMPT and DIRCMD.If you specify values for and , the specified value is added to the environment and is associated with that variable.
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