[avg_freeper]

ksh, grep, sed, xargs, perl, vim, excel, nastran, patran, matlab

[Still Thinking]

sed >> sos

[vamoose]

grep is my pick. There's not a day that does by when I don't rely on grep to do something useful.

My first PC was an Apple ][ w/ 8K (8192 bytes) of RAM. Serial number 2752. Had to load/store programs from cassette tape. Apple's floppy disk drive wasn't available until 3 months later.