Study tips 117-101

Study tips 117-101, LPI Level 1

Which of the following commands would display the lines containing capital letters form the file “turkey.txt”?

To prevent a command run as root from sending both standard out (stdout) and standard error (stderr) to any terminal or other file or device.

Which command to search the file myfile for all occurances of string containing at least five characters, where character number 2 and 5 are ‘a’ and character number 3 is NOT ‘b’ ?

What does the “cat ‘$TEST’ ” command do?

Which the command foo to take its input from the file foobar and send its output to the program bar

Which command will print to standard out only the lines that do not begin with # (pound symbol) in the file foobar?

What command will remove duplicate lines from a sorted file?

Which command line option would you use to restrict the GNU find command to searching a particular number of subdirectories?

What is the disadvantage of using the command kill -9 ?

Which of the following commands is equivalent to kill 1234?