To use vi on a file, type in vi filename. If the file named filename exists, then the first page (or screen) of the file will be displayed; if the file does not exist, then an empty file and screen are created into which you may enter text.
How do you find VI?
Vi=Vf-a.t, a=Vf-Vi/t, t=Vf-Vi/a. How do I find acceleration? Subtract the initial velocity from the final velocity, then divide the result by the time interval.
How do I open vi editor in Linux?
To open a file in the vi editor to start editing, simply type in ‘vi <filename>’ in the command prompt. To quit vi, type one of the following commands in the command mode and press ‘Enter’. Force exit from vi even though changes haven’t been saved – :q!