How to open/edit/close file in linux

You can open/edit file in linux using vi editor
Syntax:

• vi [options] <file name or path to file> then press 'i' to open in insert[edit] mode

Examples:

• vi file1
• vi /tmp/file2

To close opened file, follow below commands of vi editor:

• To save file, type:
• :wq<Enter Key>
• To save file forcefully, type:
• :wq!<Enter Key>
• To close file without saving, type:
• :q<Enter Key>
• To close file forcefully, type:
• :q!<Enter Key>

Note: If you are in insert mode and want to close file, then press Esc key first.