我是说Red Hat Linux Manuals(这是redhat linux 9的官方文档):
http://www.redhat.com/docs/manuals/linux/
x86 Installation Guide
PDF (8140 KB) | RPM (3636 KB) | HTML Tarball (3596 KB)
Getting Started Guide
PDF (6452 KB) | RPM (8412 KB) | HTML Tarball (8356 KB)
Customization Guide
PDF (7696 KB) | RPM (4392 KB) | HTML Tarball (4240 KB)
Reference Guide
PDF (4952 KB) | RPM (856 KB) | HTML Tarball (824 KB)
Security Guide
PDF (2044 KB) | RPM (608 KB) | HTML Tarball (580 KB)
System Administration Primer
PDF (3720 KB) | RPM (788 KB) | HTML Tarball (764 KB)
Glossary
PDF (156 KB) | RPM (36 KB)
x86 Release Notes
PDF (40 KB) |