how to edit gitignore code example

Example 1: git update gitignore

git rm -r --cached .
git add .
git commit -m "update gitignore"

Example 2: create gitignore

# creates gitignore file
$ touch .gitignore

Example 3: git add gitignore

$ touch .gitignore

Example 4: how to create gitignore

# Don't track content of these folders
node_modules/
someOtherfoler/


# Compiled source #
###################
*.com
*.class
*.dll
*.exe
*.o
*.so

*.so

# Packages #
############
# it's better to unpack these files and commit the raw source
# git has its own built in compression methods
*.7z
*.dmg
*.gz
*.iso
*.jar
*.rar
*.tar
*.zip

Example 5: git ignore updates to file

git update-index --skip-worktree path/to/file.txt

Example 6: how to put files into gitignore

$ echo debug.log >> .gitignore
$ git rm --cached debug.log
rm 'debug.log'
$ git commit -m "Start ignoring debug.log"