chapter 3 quiz

To display the contents of a text file called data, what command should be used? a)cat data b)ls data c)disp data d)ls -l data

a)cat data

Select the command below that can be used to provide a long listing for each file in a directory: a)ls -l b)ls -T c)ls -F d)ls -L

a)ls -l

What command can be issued to confirm what directory you are in at a command line prompt? a)pwd b)ld c)dir d)whereami

a)pwd

What command can be used to display the last five lines of a text file? a)tail -5 b)head -5 c)stop -5 d)end -5

a)tail -5

What metacharacter can be used to refer to the current user's home directory? a)˜ b)# c)@ d)&

a)˜

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)Esc b)Tab c)Ctrl d)Alt

b)Tab

​At the vi command mode prompt, what key combination below will force a quit from the vi editor without saving changes? a)​:exit b)​:q! c)​:! d)​:q

b)​:q!

Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4? a)1-4 b)[1234] c)[1-4] d)[1,2,3,4]

c)[1-4]

In order to move from the /home/joe/test/data to the /home/joe directory, what command below should be issued? a)/home/joe b)cd .. c)cd ../.. d)cd ./..

c)cd ../..

In what mode does the vi editor open by default?​ a)​insert mode b)​insert mode c)​command mode d)​overview mode

c)​command mode

To display a text file in reverse order, what command should be used?​ a)​tee b)​sed c)​tac d)​cat

c)​tac

Which switch below can be added to the ls command to show a list of files and their type? a)-L b)-T c)-l d)-F

d)-F

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)​dd b)​d c)​X d)​yw

d)​yw