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java is the Java runtime launcher, a type of SDK Tool (A command-line tool, such as javac, javadoc, or apt)-classpath D:\myprogram sets the path to the packages used in the program (on Linux, -cp /home/user/myprogram) and; org.mypackage.HelloWorld is the name of the main class
Where available, it can be called by a process to set its working directory. There are similar functions in other languages. For example, in Visual Basic it is usually spelled CHDIR(). In Java, the working directory can be obtained through the java.nio.file.Path interface, or through the java.io.File class. The working directory cannot be changed.
Also, a major portion of the utility commands packaged with MS-DOS 1.0 came from IBM and their command line syntax used the slash character as a 'switch' prefix. For example, dir /w runs the dir command with the wide list format option. This use of slash can still be found in the command interface under Microsoft Windows.
The single slash between host and path denotes the start of the local-path part of the URI and must be present. [5] A valid file URI must therefore begin with either file:/path (no hostname), file:///path (empty hostname), or file://hostname/path. file://path (i.e. two slashes, without a hostname) is never correct, but is often used.
The Windows system directory (typically C:\WINDOWS\system32) is typically the first directory in the path, followed by many (but not all) of the directories for installed software packages. Many programs do not appear in the path as they are not designed to be executed from a command window, but rather from a graphical user interface. Some ...
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Windows 10 Mail – Follow steps for "Add an account using advanced setup." Windows Live Mail – Follow steps "To change server settings for your email service provider." IncrediMail – Follow steps "How do I reconfigure my email account?" iPhone Mail app – Follow steps to "Set up your email account manually."
The command SET (with no arguments) displays all environment variables and their values. In Windows NT and later set can also be used to print all variables whose name begins with a given prefix by giving the prefix as the sole argument to the command. In Windows PowerShell, the user may type any of the following: