Question
QUESTION 1 What is the purpose of /dev/null ? a. This is an empty file used as the filesystem template for new files b. This
QUESTION 1
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What is the purpose of /dev/null ?
a. This is an empty file used as the filesystem template for new files
b. This is a special directory used for source code development files
c. This file is a system device called a bit bucket which accepts input and does nothing with it.
d. This is a device file that maps to the zero key on the keyboard
QUESTION 3
You have a directory named "CIS003" that has some files in it. You want to delete the directory and all the contents. What command would you type?
a. rmdir CIS003
b. del -R CIS003/*
c. rm -r CIS003
d. rmdir -all CIS003
QUESTION 4
In most Unix command line interfaces, which key can you press to get to a previously typed command (command history)?
a. Shift + Enter
b. Up Arrow
c. ESC Key
d. Space Key
QUESTION 7
If your current working directory is /usr, which of the following commands would bring you to the /usr/bin directory? (there might be more than one right answer)
a. cd ..
b. cd /usr/bin
c. cd bin
d. cd ./bin
QUESTION 8
Which command is used to search the contents of a file for lines that contain a particular pattern?
a. grep
b. ls
c. tee
d. wc
QUESTION 10
You want to create a symbolic link named "docs" in your home directory that points to /usr/share/doc
What command would you type to create that symbolic link?
a. ln -s docs /usr/share/doc/
b. ln -s /usr/share/doc/ docs
c. ln /usr/share/doc/ -> docs
d. lnk -s /usr/share/doc/ .
QUESTION 14
Which of the following commands will bring you to your home directory (there might be more than one)?
a. cd
b. cd /
c. cd $HOME
d. cd ~
QUESTION 17
When using the vi text editor to edit a file, why can you just start typing away right after opening the file?
a. Vi takes a minute at startup to verify the file syntax.
b. Vi needs to be told if the file is ascii or binary after opening the file.
c. Vi starts in read-only mode by default.
d. Vi is a modal text editor, and is in command mode by default when first opened.
QUESTION 20
Which command would you type to view all connected filesystems in Unix?
a. lm -a
b. ls /
c. ps axm
d. mount
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