Which of the following commands will set the variable text to olaf is home? (Select TWO answers)

In which directory are system log files kept?

Which command will delete the directory foo with all its content?

Which character starts a comment line in a shell script file?

Which command is used to make a shell variable known to subsequently executed programs?

Which criteria are useful when deciding which operating system to use? (Select THREE answers)

Which of the following commands will create an archive file, named backup.tar, containing all the
files from the directory /home?

What is the output of the following command sequence?

for token in a b c; do
echo -n “$token “;
done

What is the correct command to extract the contents of the archive file download.bz2?

What is the output of the following command?
for token in a b c; do
echo -n ${token};
done