How to save a file without extension in linux?

@adolf 

In Linux, files without extensions are not typically used, but if you need to save a file without an extension, you can follow these steps:

1. Open the terminal: Press Ctrl+Alt+T to open a terminal window.
2. Navigate to the directory where you want to save the file: Use the cd command followed by the directory path. For example, to navigate to the Downloads folder:

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cd ~/Downloads

1. Create a file without an extension: Use the touch command followed by the desired file name. For example, to create a file named "example" without an extension:

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touch example

1. Confirm the file was created: Use the ls command to list the files in the current directory. The file you just created should be displayed.

Note: Keep in mind that without an extension, the file may not be recognized by certain programs or utilities that depend on having an extension to determine how to handle it.