Forum Moderators: bakedjake
Linux:
cat /proc/version
Perl:
perl -v
Apache:
apachectl status OR apachectl -v or httpd -v
MySQL:
mysqladmin version --user=root --password=########
PHP:
phpversion() or phpinfo() function in a .php page on your server
Others, please feel free to correct me if I'm wrong.
Hope that helps,
JC