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What command can be issued to confirm what directory you are in at a command line prompt? |
pwd |
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What metacharacter can be used to refer to the current user’s home directory? |
~ |
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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? |
Cd ../.. |
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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? |
tab |
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Which switch command can be added to the ls command to show a list of files and their type? |
-F |
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When issuing the ls -F command, what special character indicates a linked file? |
@ |
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What command can be used to provide a long listing for each file in a directory |
ls -l |
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Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4? |
[1234] |
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To display the contents of a text file called data, what command should be used? |
Cat data |
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What command can be used to display the last five lines of a text file? |
Tail -5 |
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Which character(s) represent extended regular expression metacharacter(s)? |
{} |
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Select the regular expression metacharacter that matches 0 or more occurrences of the previous character. |
* |
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What key combinations, commonly used in the vi editor command mode, displays current line statistics? |
Ctrl + g |
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The LISP artificial intelligence programming language can be used with which text editor ? |
Emacs editor |
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To display a text file in reverse order, what command should be used? |
Tac command |
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What command is most effective at identifying different types of files? |
File command |
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In what mode does the vi editor open by default? |
command |
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In vi, using command mode, what series of key presses will cause the line on which the cursor is on to be deleted? |
dd |
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At the vi command mode prompt, what key combination will force a quit from the vi editor without saving changes? |
:q! |
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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? |
ctrl + K |
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Linux uses a logical directory tree to organize files into different folders. |
t |
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It is acceptable to use shell metacharacters when naming files. |
f |
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Pressing the Esc key at the prompt while using the more command displays a help screen. |
f |
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The more command should not be used on binary files. |
t |
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The command strings /bin/echo displays the raw binary characters inside the /bin/echo binary executable program. |
f |
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Filenames that start with a period, such as .file, are referred to as ______ files. |
hidden |
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In a file listing, the 9 characters following the file type (for example, -rwxr-xr-x) refer to the file’s _______. |
permissions |
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Text wildcards used to ease the searching of specific text information are called _______. |
regular expressions |
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An alternative to the vi editor that offers an equal set of functionality is the_______ editor. |
GNU Emacs |
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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. |
wildcard |
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