xvt -V (return code: 0)
xvt version 2.1
xvt -HELP (return code: 1)
xvt: permitted arguments are:
-e <command> <arg> ... execute command with arguments - must be last argument
-display <name> specify the display (server)
-geometry <spec> the initial window geometry
-background <colour> background colour
-bg <colour> same as -background
-foreground <colour> foreground colour
-fg <colour> same as -foreground
-bd <colour> border colour
-bw <count> border width
-font <fontname> normal font
-fn <fontname same as -font
-fb <fontname> font used for bold text
-name <name> name used for matching X resources
-title <text> text in window titlebar
-T <text> same as -title
-n <text> name in icon or icon window
-sl <count> number of lines saved after scrolling off window
-cc <char-class> character classes for double click
-cr <colour> text cursor colour
-sb provide an initial scrollbar
-rw enable reverse wrap
-rv run in reverse video
-msg allow messages
-iconic start up already iconized
-8 process eight-bit characters
-7 strip input and output characters to 7 bits
-ls run a login shell
-C connect to console (not all systems)
-console same as -C
-sf use Sun function key escape codes