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Patrick Kloepfer 2019-03-24 13:02:27 -04:00
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.Docs/Command Guide.md
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@ -17,7 +17,7 @@ Typcically, you will not directly use the System group commands; they are more c
GETTY, short for "get tty", is a system process for A2osX that manages physical or virtual terminals (TTYs). When it detects a connection, it prompts for a username and then loads the system process LOGIN to authenticate the user. Each GETTY process creates a pseudo file such as /DEV/TTY1 /DEV/TTY2 to allow A2osX pass input/output streams between processes and connected users. GETTY, short for "get tty", is a system process for A2osX that manages physical or virtual terminals (TTYs). When it detects a connection, it prompts for a username and then loads the system process LOGIN to authenticate the user. Each GETTY process creates a pseudo file such as /DEV/TTY1 /DEV/TTY2 to allow A2osX pass input/output streams between processes and connected users.
GETTY handles 3 types of connections: GETTY handles 3 types of connections:
- for virtual terminals presented and controlled by your Apple Screen and Keyboard. One GETTY process serves one virtual terminal. You can configure the number of virtual terminals on your A2osX system using the KCONFIG utility. Please see **[KCONFIG](###kconfig)**. - for virtual terminals presented and controlled by your Apple Screen and Keyboard. One GETTY process serves one virtual terminal. You can configure the number of virtual terminals on your A2osX system using the KCONFIG utility. Please see **[KCONFIG](#kconfig)**.
- for serial terminals (or emulated terminals i.e. a PC running a VT-100 emulator) connected to your Apple via a Super Serial Card. One GETTY process serves one terminal. See the User Guide for setup and configuration information on connecting Physical Terminals. - for serial terminals (or emulated terminals i.e. a PC running a VT-100 emulator) connected to your Apple via a Super Serial Card. One GETTY process serves one terminal. See the User Guide for setup and configuration information on connecting Physical Terminals.
- for internet terminals connected to your Apple via via the internet using A2osX TCP networking suite. This suite includes a TELNETD server process that listens for requests from the internet and when such a request is initiated, TELNETD will launch a GETTY process to support that user. One GETTY process will launch for each TELNET user and will exit when then user disconnects (the TELNETD process calls GETTY with the -E option). - for internet terminals connected to your Apple via via the internet using A2osX TCP networking suite. This suite includes a TELNETD server process that listens for requests from the internet and when such a request is initiated, TELNETD will launch a GETTY process to support that user. One GETTY process will launch for each TELNET user and will exit when then user disconnects (the TELNETD process calls GETTY with the -E option).