Linux test - part3

What command would you use to create an empty file without opening it to edit it?. create [filename]. touch [filename]. mkfile [filename].

What command would be best if you will looking for specific text within a file(s)?. sed. grep. awk.

What should you type to send the last 20 lines of a text file to STDIN?. last –n 20 [filename]. end -20 [filename]. tail -20 [filename].

Which commands can you use to list all files in current directory?. ls -al. dir -v. list -all.

The command output can be sent to files using what special symbol?. |. >. &.

What character would you use to negate a range of characters in a regular expression?. %. ^. !.

What command would you use to find all files under the current directory whose owner is not root?. find ./ -type f ! -user root. find ./ -type f ! -owner root. find ./ -not -type f -user root.

What command is the best for determine file type or contents?. wich. type. file.