Problem
1. When will cd * work?
2. Which UNIX command uses wild cards as part of its syntax?
3. How do you split a long command sequence into multiple lines?
4. Name the three sources and destinations of standard input and standard output.
5. Is the output of the command cat foo1 foo2 >/dev/tty directed to the standard output?
6. Is this a legitimate command, and what does it appear to do? >foo