The command vi filename will open the filename file
and place you in the command mode of the vi editor. vi is ONE
widely utilized text editor available on UNIX systems. There are
others, such as emacs, which will not be discussed within this
- vi parallel.m
- opens a file called parallel.m. If
one does not already exist, a new file named parallel.m is
created and opened. You are now in command mode of the vi
- vi -r matrix1.f
- will allow you to recover most or all of
the work you had finished on the matrix1.f file in the current
working subdirectory if you were working on this matrix1.f
file when the system crashed.
Look here for more details on vi.