I did some searching, but I cannot find documentation on how Unix usage works. I know something (mostly through trial and error) but, for example, how do I know that /usr/bin/ls ...
When I write $ grep \$ then whatever I type on terminal, is matched and printed on terminal. How is \$ being interpreted?
How do I call the xrandr command? I want to rotate my screen 90 deg. clockwise. Here is the usage: % xrandr -help usage: xrandr [options] where options are: -display <display> or -d ...
I have a project directory that contains source code and subdirectories of source code. I want to use the Unix program find to search recursively for the names of files of certain extensions. The ...