Learning find is a worthy investment. find ./ -name "*.log" -size +2G -ctime +3 | xargs -P 8 gzip Will find all log files over 2 gigs and older than 3 day

Learning find is a worthy investment. find ./ -name "*.log" -size +2G -ctime +3 | xargs -P 8 gzip Will find all log files over 2 gigs and older than 3 days. Then it will gzip them split across 8 parallel gzip processes.