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(screen.info)Termcap Syntax

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The `termcap' command
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 - Command: termcap term terminal-tweaks [window-tweaks]
 - Command: terminfo term terminal-tweaks [window-tweaks]
 - Command: termcapinfo term terminal-tweaks [window-tweaks]
     (none)
     Use this command to modify your terminal's termcap entry without
     going through all the hassles involved in creating a custom
     termcap entry.  Plus, you can optionally customize the termcap
     generated for the windows.  You have to place these commands in
     one of the screenrc startup files, as they are meaningless once
     the terminal emulator is booted.

     If your system uses the terminfo database rather than termcap,
     `screen' will understand the `terminfo' command, which has the
     same effects as the `termcap' command.   Two separate commands are
     provided, as there are subtle syntactic differences, e.g. when
     parameter interpolation (using `%') is required. Note that the
     termcap names of the capabilities should also be used with the
     `terminfo' command.

     In many cases, where the arguments are valid in both terminfo and
     termcap syntax, you can use the command `termcapinfo', which is
     just a shorthand for a pair of `termcap' and `terminfo' commands
     with identical arguments.

   The first argument specifies which terminal(s) should be affected by
this definition.  You can specify multiple terminal names by separating
them with `|'s.  Use `*' to match all terminals and `vt*' to match all
terminals that begin with `vt'.

   Each TWEAK argument contains one or more termcap defines (separated
by `:'s) to be inserted at the start of the appropriate termcap entry,
enhancing it or overriding existing values.  The first tweak modifies
your terminal's termcap, and contains definitions that your terminal
uses to perform certain functions.  Specify a null string to leave this
unchanged (e.g. "").  The second (optional) tweak modifies all the
window termcaps, and should contain definitions that screen understands
(Note: Virtual Terminal).