Documentation for technologies covered on midterm

• Perl: Introduction to Perl, list of built-in functions, regular expressions, documentation index
• Perl one-liners: Running Perl, Perl special variables (such as $_ and @F)
• bash
• sed
• awk
• Other command-line tools: grep, sort, uniq, cat, echo, od, head, tail, less, wc, diff, comm, cut, paste, join
• Filesystem: ls, cd, chmod, ln, cp, mv, rm, mkdir
• make