PTY (pity) n. Pseudo TTY, a simulated TTY used to run a job under the supervision of another job. PTYCON (pity-con) n. A program which controls several jobs from a single terminal, with each subjob having its own PTY. PTYJOB (pity-job) n. The job being run on the PTY. Also a common general-purpose program for creating and using PTYs. This is DEC and SAIL terminology; the MIT equivalent is STY.