101-500 Practice Test

Which command displays a list of all background tasks running in the current shell? (Specify ONLY the command without any path or parameters.)

Which of the following files, located in the user home directory, is used to store the Bash
history?

A.

bash_history

B.

bash_histfile

C.

history

D.

bashrc_history

E.

history_bash

Which of the following commands will print the last 10 lines of a text file to the standard output?

A.

cat -n 10 filename

B.

dump -n 10 filename

C.

head -n 10 filename

D.

tail -n 10 filename

Which of the following statements is correct regarding the command foo 1> bar?

A.

The stdout from the command foo is appended to the file bar.

B.

The stdout from the command foo overwrites the file bar.

C.

The command foo receives its stdin from the file bar.

D.

The command foo receives its stdin from the stdout of the command bar.

E.

The stderr from the command foo is saved to the file bar.

Which of the following commands displays the contents of a gzip compressed tar archive?

A.

gzip archive.tgz | tar xvf -

B.

tar ztf archive.tgz

C.

gzip -d archive.tgz | tar tvf -

D.

tar cf archive.tgz