How do I fix the indentation of an entire file in Vi?

Question

In Vim, what is the command to correct the indentation of all the lines?

Often times I\'ll copy and paste code into a remote terminal and have the whole thing messed

Answer 1

1G=G. That should indent all the lines in the file. 1G takes you the first line, = will start the auto-indent and the final G will take you the last line in the file.