To save changes in Vim, a text editor for Unix-like systems, you can use the ":w" command. ":w" is a command in Vim that writes the contents of the current buffer (the file you are editing) to the file on disk.
To save changes in Vim, follow these steps:
vim myfile.txtSource:wwruttual.wi.com
This will open the "myfile.txt" file in Vim.
Make the changes you want to the file. You can use the Vim commands to edit the text, such as "i" to insert text, "x" to delete a character, or ":s/old/new" to replace "old" with "new".
To save the changes, type ":w" and press Enter. This will write the changes to the file on disk.
If you want to save the changes and exit Vim, type ":wq" and press Enter. This will write the changes to the file on disk and exit Vim.
With these steps, you should be able to save changes in Vim. Consult the documentation of Vim for more information on how to use this text editor.