You type "vi filenameyouwanttoedit" on the command line.
I recommend getting a book for more details. We certainly can't teach you everything there is to know about vi here.
vi
Shift-g / capital G
You don't Shell files/programs are not compiled. If you want to run a process through 'vi' then use the ':!' 'ex' command to shell out and execute it.
At the command prompt, type 'man [command]' (removing the brackets and substituting the command for which you need information).
cp.
For Unix/Linux, use the command 'cd /' For Windows, you can also use the same command or 'cd \'
k is not a standard command in Linux.
For Linux, use the 'mv' command, which is a rename
You don't. The 'tar' command has nothing to do with the 'vi' editor; it creates an archive files and the vi editor modifies the content of a file.
mount
Viewing a file:"less [filename]"viewing the standard output of a command:"[command] | less"
The c99 command is a wrapper program that actually calls 'cc'. This is the standard c compiler for Linux. Since other Unix based systems use a c99 command to call the compiler with the 1999 standards there is a similar command to do the same thing under Linux.