sed -i -e '/013-gawk/s/^/#/' \
       -e '/014-grep/s/^/#/' \
       -e '/015-gzip/s/^/#/' \
       -e '/016-make/s/^/#/' \
       -e '/017-patch/s/^/#/' \
       -e '/018-sed/s/^/#/' \
       -e '/019-tar/s/^/#/' \
       -e '/020-xz/s/^/#/' ~/lfs-builder/scripts/run_day5.sh