单选题What is the output when the following shell script executes?() cat<;<;foobar Hello foobar foobarAThe contents of the file foobar.BHelloCNo output but a file named foobar is created.DHello foobarEHello foobar foobar
题目
单选题
What is the output when the following shell script executes?() cat<;<;foobar Hello foobar foobar