Red Hat Enterprise Linux extends the FHS structure slightly to
accommodate special files.
Most files pertaining to RPM are kept in the /var/lib/rpm/ directory. For more information on
RPM, refer to the chapter titled Package
Management with RPM in the Red Hat
Enterprise Linux System Administration Guide.
The /var/spool/up2date/ directory
contains files used by Red Hat Update
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/.
Another location specific to Red Hat Enterprise Linux is the
/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 sysconfig Directory for more information
about what is within this directory and the role these files play
in the boot process.
Finally, one more directory worth noting is the /initrd/ directory. It is empty, but is used as a
critical mount point during the boot process.
 |
Warning |
| |
Do not remove the /initrd/ directory
for any reason. Removing this directory causes the system to fail
to boot with a kernel panic error message.
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