Introducing Bash

- [Instructor] There are differences between…Linux and other operating systems.…Linux is case sensitive.…Upper-case and lower-case are not the same thing.…Linux file paths use the forward slash.…Linux file extensions are largely irrelevant.…You could append .txt to the end of a JPEG photo's name,…and Linux would treat it the same.…The file extensions are more so…the user can quickly look at the name,…and identify the data type.…Linux is a multi-user, multi-terminal OS.…This means you can have more than one terminal open…logged in as more than user at the same time.…

The syntax of a command is command, space,…option, space, argument.…The options modify the output of the command,…and the argument is what it's working on.…In this example, I have ls, space,…- l, which is the option,…space, /home.…So ls is the command,…lower-case L is the option changing the output,…and /home is what it's going to get a list of.…In this case, this command would give us a long list…of /home.…

We'll go ahead and open a terminal on our virtual machine.…