Gzip usage
From raju
run gzip and gunzip from different directories
user@hostname ~ % cd x user@hostname ~/x % ls junk45.txt* junk45.txt user@hostname ~/x % gzip junk45.txt user@hostname ~/x % ls junk45.txt* junk45.txt.gz user@hostname ~/x % gunzip junk45.txt.gz user@hostname ~/x % ls junk45.txt* junk45.txt user@hostname ~/x % cd user@hostname ~ % gzip x/junk45.txt user@hostname ~ % ls x/junk45.txt* x/junk45.txt.gz user@hostname ~ % gunzip x/junk45.txt.gz user@hostname ~ % ls x/junk45.txt* x/junk45.txt