Bydefault Line Endings in Sublime Text will be Windows. You can set Unix as default by

Opening

Preferences -> Settings-User

and Paste the following content.

{
	"default_line_ending": "unix",
}

If you already have any other custom prefernces set, you don’t need to put the curly braces.

just paste the line ending mode like below.

{
	"font_size": 13,
	"default_line_ending": "unix",
}