tag

#pty

2 posts

Shell & TerminalDeep Dive July 12, 2026 5 min read

How Terminal Multiplexers Keep Sessions Alive

PTYs and a persistent server process explain how tmux and screen survive a dropped SSH connection, not just several shells in one window.

#deep-dive#tmux#pty

Shell & TerminalDeep Dive July 11, 2026 6 min read

Terminal and shell are separate programs linked by a kernel pty: one renders characters and handles input, the other interprets commands.

#deep-dive#terminal#pty