h5 - questions?
q4 - check canvas for grades/solutions.
q5 - released by Thursday's class, due by Friday.  Topic - bash (still/again)
h6 - released by Thursday's class, due Monday.  Topic - bash (still/again)

take attendance

shell pattern versus regular expression

New today - additional scripting utilities and programs

Example data files
- /u1/junk/kinne/weather
- /u1/junk/kinne/river
- /u1/junk/kinne/GSE8*
- /etc/passwd
- last output
- /proc