Which of the following commands puts the output of the command date into the shell variable mydate?
By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Specify the full path to the directory.)
What output will the following command sequence produce?
echo '1 2 3 4 5 6' | while read a b c; do
echo result: $c $b $a;
done
What command displays all aliases defined in the current shell? (Specify the command without any path information)
Which of the following is the best way to list all defined shell variables?
What is the difference between the commands test -e path and test -f path?
Which of the following words is used to restrict the records that are returned from a SELECT query based on a supplied criteria for the values in the records?