LPI Level 1

LPI Level 1

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?

What command would execute cmd1 followed by cmd2, regardless of the exit status of cmd1?

Which TWO commands will find the path for the binary vim?

What command changes the priority of the process running with process id of 12345 to the highest priority?

You want to save vi changes to the file myfile with :w!, but vi complains it can not write to the file. To do this without leaving vi, you type:

Which of the following GNU commands would be the most likely command you’d use to find the system load average?