Linux Chapter 3: Exploring Linux Filesystems
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?At the vi command mode prompt, what key combination below will force a quit from the vi editor without saving changes? a. ?:q! b. ?:! c. :exit d. :q
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:q!
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An alternative to the vi editor that offers an equal set of functionality is the GNU _________________________.
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Emacs (Editor MACroS) editor
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Due to the fact that the * character can be used to match all ?characters in a filename, or all files in a directory, it is referred to as a ____________ metacharacter.
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Wildcard
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If enough unique letters of a directory name have been typed, what key can be pressed to activate the BASH shell's completion feature? a. Tab b. Ctrl c. Alt d. Esc
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Tab
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Filenames that start with a period, such as .file, are referred to as
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Hidden Files
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In order to move from the /home/joe/test/data to the /home/joe directory, what command below should be issued? a. cd .. b. /home/joe c. cd ./.. d. cd ../..
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cd ../..
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In the GNU Emacs editor, what key combination can be used to delete all characters between the cursor and the end of the line?? a. ?Ctrl+k b. ?dd c. ?Ctrl+a d. ?Ctrl+d
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Ctrl+k
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In vi, using command mode, what ?series of key presses below will cause the line on which the cursor is on to be deleted? a. ?yw b. ?dd c. ?d d. ?X
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dd
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In what mode does the vi editor open by default?? a. ?command mode b. ?overview mode c. ?insert mode d. append mode
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command mode
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Select the command below that can be used to provide a long listing for each file in a directory:
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-l
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Select the regular expression metacharacter that matches 0 or more occurrences of the previous character. a. + b. ^ c. ? d. *
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*
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Text wildcards used to ease the searching of specific text information are called _________________________.
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Regular expressions (regexp)
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The LISP artificial intelligence programming language can be used with which text editor below? a. Kedit editor b. Nedit editor c. Joe editor d. Emacs editor
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Emacs editor
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To display a text file in reverse order, what command should be used?? a. tee b. ?tac c. ?cat d. ?sed
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tac
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To display the contents of a text file called data, what command should be used?
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cat data
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Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4?
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[1-4]
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What command can be issued to confirm what directory you are in at a command line prompt?
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pwd
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What command can be used to display the last five lines of a text file?
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tail -5
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What command is most effective at identifying different types of files??
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File
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What metacharacter can be used to refer to the current user's home directory?
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~
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When issuing the ls -F command, what special character indicates a linked file?
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@
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Which character(s) below represent extended regular expression metacharacter(s)?
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{}
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Which of the following key combinations, commonly used in the vi editor command mode, displays current line statistics?
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Ctrl +g
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Which switch below can be added to the ls command to show a list of files and their type?
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-F
