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UNIX for Beginners Questions & Answers
Controlling terminal of a display server
Post 303044483 by sea on Monday 24th of February 2020 06:02:29 AM
02-24-2020
I'm not quite sure I got your question, so please be "understanding" if I misunderstood you.
All *nix based systems have multiple TTY's, usualy 4 but can be 6 or 7 as well.
This includes Fedora
(Simplified)
Other than how they work (backend-under the hood) to provide the GUI, Wayland and Gnome are no different to each other, same for any other GUI/WM/etc....
At any given time - unless you somehow managed to freeze your system - you ALWAYS can press "CTRL+ALT+ {F1...F7}" to switch to the speficic TTY1 - 7.
If I remember correctly, most *nix based distributions use TTY2 or TTY4 as the default GUI-TTY, while the other TTY's could be used for other things - regular console usage, with the exception of TTY1.
And something to clarify, a GUI is not the OS (any *nix, incl BSD etc, Mac, heck, even Windows), this said, both, Gnome and Wayland have the same compatiblity to the underlying OS, this includes - but is not limited to - how they get started from a TTY, as they both rely on the same services and methods.
Hope this helps
If it does not, please wait for someone else to respond or rephrase your question.
Thank you and have fun!
All *nix based systems have multiple TTY's, usualy 4 but can be 6 or 7 as well.
This includes Fedora
(Simplified)
Other than how they work (backend-under the hood) to provide the GUI, Wayland and Gnome are no different to each other, same for any other GUI/WM/etc....
At any given time - unless you somehow managed to freeze your system - you ALWAYS can press "CTRL+ALT+ {F1...F7}" to switch to the speficic TTY1 - 7.
If I remember correctly, most *nix based distributions use TTY2 or TTY4 as the default GUI-TTY, while the other TTY's could be used for other things - regular console usage, with the exception of TTY1.
And something to clarify, a GUI is not the OS (any *nix, incl BSD etc, Mac, heck, even Windows), this said, both, Gnome and Wayland have the same compatiblity to the underlying OS, this includes - but is not limited to - how they get started from a TTY, as they both rely on the same services and methods.
Hope this helps
If it does not, please wait for someone else to respond or rephrase your question.
Thank you and have fun!
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LEARN ABOUT OSX
cr
cr(1) General Commands Manual cr(1) NAME
cr - converts text files between nix EOL and dos EOL SYNOPSIS
cr - | + <input file> <output file> DESCRIPTION
Text files, such as tle files, that come from a dos source usualy have the ^M symbol at the end of every line. Cr converts files between the dos newline format and the normal *nix newline format by stripping the ^M to convert dos to *nix, using the '-' option, or adding ^M to a *nix file to create the proper dos file when the '+' option is used. Although this extra character is not often a problem, programs like seesat5, which are data driven will encounter parsing problems when the extra character is present. It is these problems that cr is intended to repair. Options - | + One or the other of these options is required. The '-' option is used to remove ^M from all newlines found in the dos file. The '+' option is used to add ^M to every newline found in a *nix file. input file Fully delineated path to the input file. As this program is used in the dos environment as well, standard input is not used. output file Fully delineated path to the output file. As this program is used in the dos environment as well, standart output is not used. SEE ALSO
seesat5(1), seesat5(7), SEESAT5.INI(5), tle(5) BUGS
Cr is not an inteligent program. It methodicaly replaces/removes the offending character when it finds it in the correct context. Newline sequences found in contexts other than 'newline' will be replaced/removed just like those found in the proper context. Passing a binary file through cr is not advised, for this reason. Send all inqueries to Dale Scheetz <dwarf@polaris.net>. Debian Linux 2 April 96 cr(1)