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Re:Learn Linux The Hard Way (β version) by ay on Friday December 21, 2012 @07:28AM (#4952448)
EDITOR environment variable usually takes care of that for most of them.

An esoteric example from my MacOS X:

sh-3.2# EDITOR='cat' vipw | grep root:

root::0:0::0:0:System Administrator:/var/root:/bin/sh

daemon::1:1::0:0:System Services:/var/root:/usr/bin/false

vipw: no changes made

vipw: /etc/master.passwd: unchanged

_cvmsroot:*:212:212::0:0:CVMS Root:/var/empty:/usr/bin/false

sh-3.2#

Great excuse to talk about environment variables and changing/examining them...

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