My personal favorite is to use this pattern. You can do some extremely cool counts and group by operations at the command like [1]: grep '01/Jul/1995' NASA_a

My personal favorite is to use this pattern. You can do some extremely cool counts and group by operations at the command like [1]: grep '01/Jul/1995' NASA_access_log_Jul95 | awk '{print $1}' | sort | uniq -c | sort -h -r | head -n 15 Turns this: 199.72.81.55 - - [01/Jul/1995:00:00:01 -0400] "GET /history/apollo/ HTTP/1.0" 200 6245 unicomp6.unicomp.net - - [01/Jul/1995:00:00:06 -0400] "GET /shuttle/countdown/ HTTP/1.0" 200 3985 199.120.110.21 - - [01/Jul/1995:00:00:09 -0400] "GET /shuttle/missions/sts-73/mission-sts-73.html HTTP/1.0" 200 4085 burger.letters.com - - [01/Jul/1995:00:00:11 -0400] "GET /shuttle/countdown/liftoff.html HTTP/1.0" 304 0 199.120.110.21 - - [01/Jul/1995:00:00:11 -0400] "GET /shuttle/missions/sts-73/sts-73-patch-small.gif HTTP/1.0" 200 4179 Into this: 623 piweba3y.prodigy.com 547 piweba4y.prodigy.com 536 alyssa.prodigy.com 463 disarray.demon.co.uk 456 piweba1y.prodigy.com 417 www-b6.proxy.aol.com 350 burger.letters.com 300 poppy.hensa.ac.uk 279 www-b5.proxy.aol.com [1] https://sysadmincasts.com/episodes/28-cli-monday-cat-grep-awk-sort-and-uniq https://sysadmincasts.com/episodes/28-cli-monday-cat-grep-aw...