Two ways to create a symbolic link (from link-to-file1 to file1):
1. ln -s file1 link-to-file1
2. cp -s file1 link-to-file1
The configuration files of syslog-ng:
1. /etc/sysconfig/syslog
2. /etc/syslog-ng/syslog-ng.conf
3. /etc/syslog-ng/syslog-ng.conf.in
