exists file "/etc/redhat-release" whose
(
exists line whose
(
exists match
(
regex "Red Hat Enterprise Linux (AS|ES|WS) release 4"
)
of it or exists match
(
regex "Red Hat Enterprise Linux (Client|Desktop|Server) release 5"
)
of it or exists match
(
regex "Fedora Core release (3|4|5|6|7)"
)
of it or exists match
(
regex "Fedora release (3|4|5|6|7)"
)
of it
)
of it
)
exists file "/etc/redhat-release" whose (exists line whose (exists match (regex "Red Hat Enterprise Linux (AS|ES|WS) release 4") of it or exists match (regex "Red Hat Enterprise Linux (Client|Desktop|Server) release 5") of it or exists match (regex "Fedora Core release (3|4|5|6|7)") of it or exists match (regex "Fedora release (3|4|5|6|7)") of it) of it)