Linux Essentials

Which of the following commands will display only lines that begin with start? grep *start file.txt...

The grep command can be used with glob characters.True or False? True False

The grep command… …will display all the lines that begin with the specified Regular Expression. …is...

Which option of the head command will display only the first five lines of a file? -l 5 No option...

Which command(s) can be used to sort the lines of list.file alphabetically and display it on the...

Which of the following commands will append its output to output.file? echo Testing > output...

Channel 2 is: STDIN STDALL STDOUT STDERR

A pipe allows you to… …send the same input to multiple commands. …type multiple commands at one...

Which of the following commands will direct error messages to the file, error.log? (choose one) ls...

A successful command will print output to STDOUT.True or False? True False

Error messages generated by commands are sent where by default? Log files STDOUT STDERR STDIN

The _____ command is normally executed daily to update the database of all files that are on the...

Which two commands do the same thing? (choose two) tar –czf foo.tar.gz foo* tar –c foo | gzip >...

In the command tar –czf foo.tar.gz bar, what is the purpose of the f flag? Tells tar to read from...

The three main modes of tar are: (choose three) Copy List Compress Create Extract