Help with ssh -A, screen, ssh -a, detach, logout

Thorsten Glaser t.glaser at
Thu Jun 4 08:33:35 AEST 2020

On Wed, 3 Jun 2020, Bob Proulx wrote:

> You could also use "Enter ~ ." to forcibly close the connection too.

Or, when starting the connection from within a GNU screen
tab, just press ^Ak to kill the tab.

> And also 'env' is an idiom for a canonical way to set or clear
> environment variables regardless of the command line shell that anyone
> might be using.  Because bash, ksh, zsh, csh, and all of those have
> slightly different syntax.  But invoking 'env' this way would be

unportable (e.g. it has no -u on some BSDs), whereas unset
in the shells is pretty well understood.

„Cool, /usr/share/doc/mksh/examples/uhr.gz ist ja ein Grund,
mksh auf jedem System zu installieren.“
	-- XTaran auf der OpenRheinRuhr, ganz begeistert
(EN: “[…]uhr.gz is a reason to install mksh on every system.”)

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