wc -l *.txt | head -n -1 | sort -n - 1 prints all but the last 1 line sort number of lines grep -v garlic words.txt | wc -l
cut -d ',' -f 1-3 mmsa-icu-beds.csv cut -c 2, 5, 7 random_data_file.csv cut -c 1 random_data_file.csv | sort | uniq -c | sort -n (let's get the counts of the first letter - first get it, then sort, then count the uniq (check man), then sort (numeric))
-d deletes a character add aaaaaabbbbbbddddd to a file cat file_1 | tr -d [a,d] tr -d [:punct:] < words.txt