# TTY::Screen > Terminal screen size detection which works on Linux, OS X and Windows/Cygwin platforms and supports MRI, JRuby and Rubinius interpreters. TTY::Screen provides independent terminal screen size detection component for TTY (https://github.com/piotrmurach/tty) toolkit.
Binary packages can be installed with pkgin or pkg_add(1). The NetBSD packages collection is also designed to permit easy installation from source.
The pkg_admin audit command locates any installed package which has been mentioned in security advisories as having vulnerabilities.
Please note the vulnerabilities database might not be fully accurate, and not every bug is exploitable with every configuration.
Problem reports, updates or suggestions for this package should be reported with send-pr.