Ubuntu Linux, Day 18: What Is This ‘sudo’ You Speak Of?

“You can click on the Ubuntu logo icon and select Terminal to
open a command prompt window. I am using Unity, so I opened the
Applications lens and typed Terminal in the search field to get to
it. However you get there, you will see the sparse black box with a
little bit of text indicating the current directory path that your
command line session is operating from.

“If you just open Terminal, it defaults to your user folder. In
DOS or Windows, this is where I might type “dir” to get a listing
of the directory. In Linux, though, ‘dir’ is replaced with ‘ls’.
You can then use switches like ‘-l’ for a more detailed listing
including permissions and file sizes, ‘-a’ to display all files
including hidden files, and “-h” to show file sizes in KB or MB
instead of just bytes.”

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