 accepts one command name as a parameter. It will less the man page for that command. Use the spacebar to page through it, or type ‘q’ to quit. Try typing ‘man ls‘.
Man pages are generally dense and occassionally uncomprehensible, but they do usually present every possible option for a command.
help – help is a bash command that provides help for builtin commands. It accepts a command name or pattern (partial name) as an argument.
Unfortunately, help only documents certain commands. Try ‘help help‘.
Manipulating Files and Directories
cp – the cp command accepts two parameters. It copies a file to a file with the name specified in the second parameter. Each parameter may include a directory (relative or absolute) and a filename.
Use the -R (recursive) switch to copy entire directories.
mv – the mv, or “move” command, accepts two parameters. It renames the first file to the second filename. Each parameter may include a directory (relative or absolute) and a filename.
The mv command is also used for renaming files.
rm – the rm, or “remove” command, deletes a file.
Resources and Help
Explore these links for additional information and explanations.