Midterm exam meerkeuze Flashcards
(40 cards)
To go to the end of an info page, press:
END n N ]
END
To go to the next match of a search on a man page, press:
] n N }
n
When interpreting the SYNOPSIS of a command found on a man page, the “|” means:
The items it separates can be used together The items it separates cannot be used together
The items it separates cannot be used together
After performing a search, you can use the ____ key to return to a previously found match:
n N D U
N
To move a page forward one at a time while viewing a man page, press the following:
Spacebar m a Enter
Spacebar
The ls command without options or arguments…
…lists the contents of the current directory. …prompts for a directory to list. …lists the contents of a user’s home directory. …generates an error as this command requires arguments.
…lists the contents of the current directory.
Which option can be used with the rm command to prompt before deleting?
I -i -P A
-i
The rm command can delete multiple files at once.
True or False?
True False
True
Which of the following commands can be used to rename a file?
name rn mv cp
mv
The touch command can be used to:
(choose two)
Update the time stamp of existing files Create new files Change a file’s name Change ownership of a file
Update the time stamp of existing files
Create new files
You try to compress a file that is already compressed. Which of the following statements is true?
The file will not be compressed any further than it already was The file changed while you were compressing it The file will actually be uncompressed The compression algorithm needs to be set to the “currently compressed” mode for it to be compressed further The file will be deleted
The file will not be compressed any further than it already was
Which of the following commands can be used to compress a file?
(choose three)
bunzip2
zip
bzip2
cat
gzip
zip
bzip2
gzip
The three main modes of tar are:
(choose three)
Extract
Copy
Compress
List
Create
Extract
List
Create
In the command tar –czf foo.tar.gz bar, what is the purpose of the f flag?
Tells tar to copy only files, and not directories Tells tar to read from the file that follows the flag Tells tar to print the name of each file as it is processed Specifies extra compression is to be used Tells tar to write to the file that follows the flag
Tells tar to write to the file that follows the flag
Which two commands do the same thing?
(choose two)
tar –xzf foo.tar.gz
tar –x foo | gzip
tar –c foo | gzip > foo.tar.gz
tar –tzf foo.tar.gz
tar –czf foo.tar.gz foo
tar –c foo | gzip > foo.tar.gz
tar –czf foo.tar.gz foo
Which option for the wc command will print the total number of words in a file?
- l - L - w - C
-w
Which command can be used to print line numbers?
num ln nl sort
nl
The command echo “text” > file.txt will create file.txt if it does not already exist.
True or False?
True False
True
The command echo “text” > file.txt will not overwrite file.txt if it already exists.
True or False?
True False
False
The command echo “text”»_space; file.txt will not overwrite file.txt if it already exists.
True or False?
True False
True
Software is backward compatible if:
It still supports old file formats or applications If the next version still works the same way People still use old versions It works across Linux/Mac/Windows It can be upgraded without downtime
It still supports old file formats or applications
Apple’s OS X is:
(choose three)
Derived from Linux Only compatible with Apple hardware Able to natively run Windows binaries Derived from FreeBSD Certified as UNIX compatible Primarily used to manage network services
Only compatible with Apple hardware
Derived from FreeBSD
Certified as UNIX compatible
Microsoft Windows:
(choose three)
Has a short maintenance cycle
Comes in desktop and server variants
Has built in virtualization
Has a new desktop version every year.
Has a Linux compatibility mode
Has powerful scripting capabilities
Comes in desktop and server variants
Has built in virtualization
Has powerful scripting capabilities
Other commercial Unixes:
(choose two)
Are almost obsolete
Are tied to their vendor’s hardware
Use completely different commands than Linux
Are UNIX certified
Do not run the GNU tools
Are tied to their vendor’s hardware
Are UNIX certified
