Online Access Free 101-400 Exam Questions

Which of the following command lines creates or, in case it already exists, overwrites a file called data with the output of ls?

• A.ls >> data
• B.ls 3> data
• C.ls >& data
• D.ls > data

What is the default action of the split command on an input file?

• A.It will break the file into new files of 1,024 byte pieces each.
• B.It will break the file into new files of 1,024 kilobyte pieces each.
• C.It will break the file into new files of 1,000 line pieces each.
• D.It will break the file into new files that are no morethan 5% of the size of the original file.

When given the following command line.
echo "foo bar" | tee bar | cat
Which of the following output is created?

• A.tee bar
• B.foo
• C.bar
• D.cat
• E.foo bar

Which variable defines the directories in which a Bash shell searches for executable commands?

• A.PATH
• B.BASHEXEC
• C.BASHRC
• D.EXECPATH
• E.PATHRC

Which of the following shell redirections will write standard output and standard error output to a file named filename?

• A.2>&1 >filename
• B.1>&2>filename
• C.>>filename
• D.1&2>filename
• E.>filename 2>&1