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+# Gitignore
+https://git-scm.com/docs/gitignore  
+https://help.github.com/en/github/using-git/ignoring-files  
+https://github.com/github/gitignore  
+
+```
+file_pattern_to_exclude >> .gitignore
+nano .gitignore 
+nano .git/info/exclude
+
+git rm –cached <filename> # stop tracking the file 
+git rm -r --cached . 
+git ls-files --ignored --exclude-standard
+git ls-files --ignored --exclude-standard | sed 's/.*/"&"/' | xargs git rm -r --cached
+ 
+git add . 
+git commit -m ".gitignore: added …, removed …, changed …" 
+git ls-files --other --directory #list of ignored files 
+git push
+```
+
+## Whitelisting
+https://jasonstitt.com/gitignore-whitelisting-patterns  
+```
+# typical
+*
+!*/
+*/some/dir3/**
+!.gitignore
+
+# for all dir content
+/*
+!/whitelisteddir1
+!/whitelisteddir2
+!.gitignore
+
+# to track only the dir but not the files in it
+*
+!.gitignore
+```
+
+
+## Windows user profile
+```
+.bash_history
+ntuser*
+
+Application Data/
+Anwendungsdaten/
+
+Cookies/
+Documents/My Music/
+Documents/My Pictures/
+Documents/My Videos/
+
+Local Settings/
+Lokale Einstellungen/
+
+My Documents/
+
+NetHood/
+Netzwerkumgebung/
+
+PrintHood/
+Druckumgebung/
+
+Recent/
+SendTo/
+
+Start Menu/
+Startmenü/
+
+Templates/
+Vorlagen/
+
+Appdata/
+Eigene Dateien/
+
+Downloads/
+Favorites/
+Links/
+Searches/
+
+*.log
+desktop.ini
+
+.ssh/id_rsa*
+.ssh/known_hosts
+```
+
+
+
+