Article 592N5 Two noob questions...

Two noob questions...

by
pinqvin
from LinuxQuestions.org on (#592N5)
Coming from Windows, as you might've guessed. Now I'm trying to compile my first-ever post-install bash script for Pop OS LTS 20.04. Questions along the way... pls bear with me:

# Where does Linux store configuration/setting files for various custom apps?
I've made a number of modifications to the following apps and now want to save config files for future re-installs or include the changes to my script. After some research, I've identified /home/.config directory as my #1 candidate for being the right spot for what I'm looking for but is it the only one?
I heard about the native rsync tool, as well as the apps Aptik and Mackup for backing-up and restoring Linux systems but are they helpful in my case, which is backing up only the config files, not the entire system?
Apps I've added to my system so far:
  • Audacity
  • Bleachbit
  • Brave browser
  • Calibre
  • ClamAV
  • Clementine
  • Gufw firewall
  • GNOME Tweaks
  • Inkscape
  • KeepassXC
  • LibreOffice 7.0
  • Stacer
  • VLC
  • WinRAR
PLUS changes to folder settings, GNOME and the system itself, etc...

# Can you please hint me a comprehensive resource where I can learn about adding changes in the config files to my bash script for future reference?
My goal is to automate both the re-installation of actual apps and adding/modifying their config files in the post-install stage. Like opening the config file, adding/modifying the necessary line and saving it after the app is installed.

Thank you!latest?d=yIl2AUoC8zA latest?i=5lPWZWFIHRo:yJaKJGe1H6E:F7zBnMy latest?i=5lPWZWFIHRo:yJaKJGe1H6E:V_sGLiP latest?d=qj6IDK7rITs latest?i=5lPWZWFIHRo:yJaKJGe1H6E:gIN9vFw5lPWZWFIHRo
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