Exam 4: Unix-Linux File Processing
Exam 1: The Essence of Unix and Linux54 Questions
Exam 2: Exploring the Unix-Linux File Systems and File Security54 Questions
Exam 3: Mastering Editors51 Questions
Exam 4: Unix-Linux File Processing55 Questions
Exam 5: Advanced File Processing51 Questions
Exam 6: Introduction to Shell Script Programming55 Questions
Exam 7: Advanced Shell Programming48 Questions
Exam 8: Exploring the Unix-Linux Utilities54 Questions
Exam 9: Perl and Cgi Programming52 Questions
Exam 10: Developing Unix-Linux Applications in C and C58 Questions
Exam 11: The X Window System51 Questions
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Match each item with a statement below.
-can be used with cat to combine the contents of two files
Free
(Multiple Choice)
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(36)
Correct Answer:
D
A sorting ____ is a field position within each line.
Free
(Multiple Choice)
5.0/5
(38)
Correct Answer:
B
When you are moving files,using the -o option with the mv command can be a good idea so that you don't unexpectedly overwrite a destination file with the same name.
Free
(True/False)
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Correct Answer:
False
When you no longer need a file,you can delete it using the ____ command.
(Multiple Choice)
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Consider a simple file,called vegetables,containing the following four lines:
Carrots
Spinach
Lettuce
Beans
We also have a bread file that contains the following four lines:
Whole wheat
White bread
Sourdough
Pumpernickel
What will be the result of executing the following command?
paste -d',' vegetables bread > food
(Essay)
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If you execute ____,the contents of file1 are sorted and the results are stored in file2.
(Multiple Choice)
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When you use the paste command,by default,the pasted results appear in columns separated by commas.
(True/False)
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Character special files are used by input-output devices for communicating one character at a time,providing what is called ____ data.
(Multiple Choice)
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You can use the ____ operator to redirect commands or program error messages from the screen to a file.
(Multiple Choice)
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UNIX-Linux store data,such as letters,product records,or vendor reports,in flat ASCII files.
(True/False)
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To move a file,you use the ____ command along with the source file name and destination name.
(Multiple Choice)
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Match each item with a statement below.
-option of the mv command that overwrites a destination file with the same name,if the source file is newer than the one in the destination
(Multiple Choice)
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When you no longer need a directory,you can use command ____ to remove it.
(Multiple Choice)
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-option of the cp command that provides a warning before an existing file with the same name is overwritten
(Multiple Choice)
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Match each item with a statement below.
-combines files side by side
(Multiple Choice)
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To redirect the list of the files in a directory to a file called homedir.list,you enter ____.
(Multiple Choice)
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The ____ option of the find command displays files that have been changed within the last n minutes.
(Multiple Choice)
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