(emacs.info) Command Arguments

 
 Command Line Arguments
 **********************
 
    GNU Emacs supports command line arguments to request various actions
 when invoking Emacs.  These are for compatibility with other editors and
 for sophisticated activities.  We don't recommend using them for
 ordinary editing.
 
    Arguments starting with `-' are "options".  Other arguments specify
 files to visit.  Emacs visits the specified files while it starts up.
 The last file name on your command line becomes the current buffer; the
 other files are also present in other buffers.  As usual, the special
 argument `--' says that all subsequent arguments are file names, not
 options, even if they start with `-'.
 
    Emacs command options can specify many things, such as the size and
 position of the X window Emacs uses, its colors, and so on.  A few
 options support advanced usage, such as running Lisp functions on files
 in batch mode.  The sections of this chapter describe the available
 options, arranged according to their purpose.
 
    There are two ways of writing options: the short forms that start
 with a single `-', and the long forms that start with `--'.  For
 example, `-d' is a short form and `--display' is the corresponding long
 form.
 
    The long forms with `--' are easier to remember, but longer to type.
 However, you don't have to spell out the whole option name; any
 unambiguous abbreviation is enough.  When a long option takes an
 argument, you can use either a space or an equal sign to separate the
 option name and the argument.  Thus, you can write either `--display
 sugar-bombs:0.0' or `--display=sugar-bombs:0.0'.  We recommend an equal
 sign because it makes the relationship clearer, and the tables below
 always show an equal sign.
 
    Most options specify how to initialize Emacs, or set parameters for
 the Emacs session.  We call them "initial options".  A few options
 specify things to do: for example, load libraries, call functions, or
 exit Emacs.  These are called "action options".  These and file names
 together are called "action arguments".  Emacs processes all the action
 arguments in the order they are written.

 
* Action Arguments    Arguments to visit files, load libraries,
 			  and call functions.
* Initial Options     Arguments that take effect while starting Emacs.
* Command Example     Examples of using command line arguments.
* Resume Arguments    Specifying arguments when you resume a running Emacs.
* Environment         Environment variables that Emacs uses.
 
* Display X           Changing the default display and using remote login.
* Font X              Choosing a font for text, under X.
* Colors X            Choosing colors, under X.
* Window Size X       Start-up window size, under X.
* Borders X           Internal and external borders, under X.
* Title X             Specifying the initial frame's title.
* Icons X             Choosing what sort of icon to use, under X.
* Resources X         Advanced use of classes and resources, under X.
* Lucid Resources     X resources for Lucid menus.
* Motif Resources     X resources for Motif menus.

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