Using Ubuntu,

1. When you use the redirect output symbol (>) with a command, the shell creates the output file even the command fails. Demonstrate that.

Hint: how to generate a failed command (i.e. a command that produces an error message)?

2.

Set var1 to the value as shown in the right figure. What's the difference between the following two statements? How many arguments does each echo command see?

echo "$var1"

echo $var1