Yes! @Explore-Keywords This is the stuff you need to grok. And what I meant to link to. My link above is web version of the man page, wh/may be easier to navigate, especially if unfamilair w/pagers such as "less".
Speaking of which, maybe get to grips w/some basic unix/linux commands. Lots and lots of such stuff on the web nowadays. Be careful w/this stuff - you van really shoot yourself in the foot and unix/linux does not do "do overs", prompt incessantly for confirmation, etc.