SPACEIO ~ LINUX Command of the Day #10
sort | uniq -c: let the terminal count for you
Which line shows up most? Let the terminal count.
sort file.txt | uniq -c | sort -nr
What it does
sort puts lines in order, uniq -c counts repeats, and sort -nr ranks them from highest to lowest.
Why it matters
Run it on a log of login attempts and the most frequent source jumps to the top. It's a quick way to spot something unusual.
Try it
Try it on any text file. What is the top result? Share what you found in the community.