nl Number lines. Advanced options.
cat -n Number all lines
cat -b Number all non-blank lines
# Count lines
wc -l
awk 'NF != 0 {++count} END {print count}';
sed -n '$='cheat sheets.
$ cheat number_lines$ cheat number_linesnl Number lines. Advanced options.
cat -n Number all lines
cat -b Number all non-blank lines
# Count lines
wc -l
awk 'NF != 0 {++count} END {print count}';
sed -n '$='
