What does 'select processes without controlling ttys' mean?
By Mia Morrison •
For the following command:
ps xWhat does x achieve? The documentation specifies 'select processes without controlling ttys' but I don't understand what this means.
1 Answer
Some applications, such as interactive shells and TUI vim, run on terminals or terminal emulators. They "have a controlling tty". Other applications, such as daemons and graphical applications, do not.
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