# (1) tail -n +23 file.txt | head -n 1 sed -n '23p' file.txt awk 'NR==23' file.txt # (2) awk '{for(i=1;i<=NF;i++) num[$i]++;} END{ for(k in num) print k" "num[k]}' file.txt | sort -rnk 2 # (3)
