iptos (4) osf1 man page | unix. com The etc iptos file configures the Type Of Service (TOS) of the Internet Protocol (IP) used by FTP and Telnet The TOS field in the Internet datagram is to specify how the datagram should be handled It is a mechanism to allow control information to have precedence over data Generally, protocols that are involved in direct interaction with a human should select low delay, while data transfers
ptmx (4) linux man page | unix. com The file dev ptmx is a character file with major number 5 and minor number 2, usually of mode 0666 and owner group of root root It is used to create a pseudo-terminal master and slave pair When a process opens dev ptmx, it gets a file descriptor for a pseudo-terminal master (PTM), and a pseudo-terminal slave (PTS) device is created in the dev pts directory Each file descriptor obtained
xzoom (1) hpux man page | unix. com The xzoom program displays in its window a magnified area of the X11 display The user can interactively change the zoomed area, the window size, magnification (optionally different magnification for X and Y axes) or rotate or mirror the image