Answer:
See explaination
Explanation:
Ans(11) mv report7 ../
Here ../ represents parent directory.
Ans(12) cp -r . ../
here r represent recursion. So this command recursively copies from the current folder to parent folder.
Ans(13) Three diffrent ways possible
1. mkdir Location/Junkyard
2. cd Location
mkdir Junkyard
3. Simplest ways to create a directory is without command : just go into Location directory and create a new folder Junkyard by right clicking with mouse.
Ans(14) After ending the v i session . I will be in home directory.
In simple terms, you will come back to the directory where you have started.
Ans(4) We have to copy that file to subdirectory Projects.
cp users_on /Projects
Now when we list the home directory and Projects directory we can see the users_on file.
Java Specify the command to invoke the calcCirArea() function with a radius of 15 and to save the outcome in the finalArea variable.
A Java application is launched via the java command. It accomplishes this by launching the Java Virtual Machine (JVM), loading the chosen class, and invoking the main() function of that class. The method must receive a String array as a parameter, be declared public and static, and not return any values. The form of the method declaration is as follows:
The Java command can start a class that is declared in a source file when it is in source-file mode. For more information on using the source-file mode, see Launching Single-File Source-Code Programs in Source-File Mode.
Note: You can prepend the JDK JAVA OPTIONS launcher environment variable's content to the Java launcher's actual command line. See utilizing the launcher environment variable JDK JAVA OPTIONS.
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