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Old 04-13-2015, 06:51 AM   #1
Dscript
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how the system upgrading works on linux distributions


i'm little bit confused about how the upgrading or updating works. let's say im currently using ubuntu and one opened app which is firefox and im updating the system. after the upgrating is done im still using older version of ubuntu and firefox without any trouble. how is this possible. am i currently working on the programs which have loaded to the RAM?as far as i know if we run a program the whole thing is not loaded to the RAM therefor i think it's not possible to work that fine on the RAM without loading from the hard disk. im glad if any one can explane me this.
 
Old 04-13-2015, 10:28 AM   #2
jailbait
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Quote:
Originally Posted by Dscript View Post
after the upgrating is done im still using older version of ubuntu and firefox without any trouble. how is this possible. am i currently working on the programs which have loaded to the RAM?as far as i know if we run a program the whole thing is not loaded to the RAM therefor i think it's not possible to work that fine on the RAM without loading from the hard disk. im glad if any one can explane me this.
The old version of the program is in RAM and in most cases it works fine until such time as the program is stopped. The next time the program starts the new version will be used. In the few cases where a running version of a program will fail when a new version is installed then it is up to the distribution to include stopping and starting the program after the new version is installed.

Personally, I use Debian and I have occasionally seen the Internet interface programs stopped and started by the installer after package updates.

-----------------------
Steve Stites
 
Old 04-13-2015, 12:31 PM   #3
albinard
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You need to distinguish between upDATE and upGRADE, and also what is being updated or upgraded. Kernel updates usually require a computer restart, Firefox upgrades often require a Firefox restart. Lesser updates proceed without excitement.
 
  


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