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What are the two file viewing programs that were discussed in the lecture recordings? Specifically list the ones that let you interactively navigate the file.
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Suppose we have a program named
MyProgram.java
in the current directory. What is the command to run the compiled version of this program and have it read standard input from a file? -
In your own words, describe the difference between running:
andgrep "a" letters.txt
Would you expect these two commands to have the same or different output? Why or why not?cat letters.txt | grep "a"
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Fill in the blanks below as to what “type” of object should go in each blank based on the type of operations we are performing. For each blank, use options:
file
for a file namecommand
for another commandfile_or_command
for afile
orcommand
command | _______ _______ | command command < _______ > _______ command < _______ | _______ command < _______ | _______ > _______
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What command would tell us how many files (including hidden files) exist in our parent directory?
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Suppose that I had a file named
MyOtherProgram.java
in the current directory. What do you think would happen if I were to runjava MyOtherProgram.java > MyOtherProgram.java
?