How to open hello.c?

To open hello.c, you can use a text editor in the terminal. Here are a few common options:

Using nano:

1. Open the terminal.
2. Type the following command and press Enter:

   nano hello.c

3. This will open hello.c in the nano text editor. You can edit the file here.

Using vim:

1. Open the terminal.
2. Type the following command and press Enter:

   vim hello.c

3. This will open hello.c in the vim text editor. Press i to enter insert mode for editing.

Using gedit (GUI editor):

1. Open the terminal.
2. Type the following command and press Enter:

   gedit hello.c

3. This will open hello.c in the gedit graphical text editor.

Choose the editor you are comfortable with. Let me know if you need further assistance!