After removing the file you created using vim, what do ls and cat show when you list the name of and contents of that file?
What will be an ideal response?
Because that file no longer exists, ls does not list its name and cat reports
that there is no such file; ls does show the copied file.
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Since system intrusions take place over a very short period of time, there is no need to maintain IDPS log data for more than a few hours.
Answer the following statement true (T) or false (F)
Which of the following statements are true?
``` a. If a file (e.g., c:\temp.txt) does not exist, new File("c:\\temp.txt") returns null. b. If a directory (e.g., c:\liang) does not exist, new File("c:\liang") returns null. c. If a file (e.g., c:\temp.txt) does not exist, new File("c:\\temp.txt") creates a new file named c:\temp.txt. d. If a directory (e.g., c:\liang) does not exist, new File("c:\liang") creates a new directory named c:\liang. e. None of the above. ```