GhostScript, an interpreter for Adobe Systems’ PostScript and PDF (Portable Document Format) languages. Used for document processing. With - in place of files, standard input is used.
Take the next argument as a filename, but use all remaining arguments to define ARGUMENTS in userdict (not systemdict) as an array of those strings before running the file.
Define a name in systemdict with the given definition. The token must be exactly one token (as defined by the token operator) and must not contain any whitespace.
Define a name in systemdict with a null value.
Specify width and height of device; intended for systems like the X Window System.
Add a list of directories at the head of the search path for library files.
Specify X and Y resolutions (for the benefit of devices, such as printers, that support multiple X and Y resolutions). If only one number is given, it is used for both X and Y resolutions.
Define a name in systemdict with a given string as value.
Cause individual character outlines to be loaded from the disk the first time they are encountered.
Disable the bind operator. Useful only for debugging.
Disable character caching. Useful only for debugging.
Suppress the normal initialization of the output device. May be useful when debugging. ...