What is the meaning of the following sentence regarding the difference between apt-get and apt?
The apt command is meant to be pleasant for end users and does not need to be backward compatible like apt-get(8).
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Is there a particular part of the sentence that is unclear? If it's backward compatibility that is unclear, here's the Wikipedia article: en.wikipedia.org/wiki/Backward_compatibility– zondoApr 13, 2017 at 0:04
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May be relevant: askubuntu.com/questions/829864/is-apt-get-deprecated– edwinkslApr 13, 2017 at 1:59
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The association between "does not need to be" and "backward compatibility" wasn't clear at the moment, but the answer below cleared it out. It is now done.– user423047Apr 13, 2017 at 11:50
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1 Answer
It means that apt and apt-get have similar functionality, the difference being that apt is intended to be used interactively whereas apt-get is supposed to be used in scripts.
The behavior, effect and output of apt-get are maintained unchanged (that's what "backward compatible" means), so that scripts can rely on them. apt is more free to change with the times and may not function as expected if you run the same script sometime in the future.
Of course, nothing is stopping you from using apt-get interactively. I do. Maybe apt is easier to use interactively, but two commands are more difficult to learn then one command.
See also "What is the difference between apt and apt-get".
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Thank you AlexP. Can you please clarify in the parenthesis level what do you mean by "interactively"? I could put both in a script and run the script (parenthesis block, script file, or heredoc) and both could use me to install something, so it is unclear to me to phrase "interactively" here...– user423047Apr 13, 2017 at 0:11
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@Benia: Of course you can use both in scripts; but the developers say that for scripting you should use
apt-get. The difference is thatapt-getis guaranteed to remain compatible, that is, newer versions will not change their output or their behavior, whereasaptis not -- newer versions may introduce changes.aptalso is supposed to be easier to use. Of course, in reality people who would benefit fromapt's supposed ease of use will prefer graphical utilities...– AlexPApr 13, 2017 at 10:06 -
"Of course, in reality people who would benefit from apt's supposed ease of use will prefer graphical utilities..." Guess I'm an unreal person, then...– fkraiemApr 13, 2017 at 11:40