3.3. Special File Locations Under Red Hat Enterprise Linux
/var/lib/rpm/directory. For more information on RPM, refer to the chapter titled Package Management with RPM in the System Administrators Guide.
/var/spool/up2date/directory contains files used by Red Hat User Agent, including RPM header information for the system. This location may also be used to temporarily store RPMs downloaded while updating the system. For more information about Red Hat Network, refer to the documentation online at https://rhn.redhat.com/.
/etc/sysconfig/directory. This directory stores a variety of configuration information. Many scripts that run at boot time use the files in this directory. Refer to Chapter 4, The
sysconfigDirectory for more information about what is within this directory and the role these files play in the boot process.
/initrd/directory. It is empty, but is used as a critical mount point during the boot process.
/initrd/directory for any reason. Removing this directory causes the system to fail to boot with a kernel panic error message.