Prior to learning GDAL or scripting it is important to learn the Command Line and how to use commands from the command prompt.
Start the online DOS emulator if you haven't done yet.
is called the command prompt. It shows your current
working directory (on Windows this is called a folder). In this case it means that you are at drive C (which is called the root). You cannot delete or edit the command prompt.
You'll have to type the commands after the > of the command prompt.
1. Type the following command after the prompt: doskeyAfter typing
a command press the <ENTER> key to execute the command.
In the instructions we use <> to indicate that you have to press a key.
In this case we activated the logging of the command history that we'll use and explain further in Chapter 6.
view the contents of a directory by using the dir command. The dir
command stands for "directory".
2. Type the following command after the prompt:
You will see this:
is called a directory list. A directory list is a list of all the files and
subdirectories that a directory contains. If you type dir /? you will see all options of the dir
command. For example, if you type dir /w you will see the
directory listing in columns.
3. Try these commands to see what is on the C drive.