In some cases (modular kernels), block devices are not even visible until after they are accessed the first time, so it is critical that there is some way to locate these devices without enumerating only visible devices, so the use of the cache file is *required* in this situation.
-[[configuration_file]]
== CONFIGURATION FILE
The standard location of the _/etc/blkid.conf_ config file can be overridden by the environment variable *BLKID_CONF*. For more details about the config file see *blkid*(8) man page.
*libblkid* is available under the terms of the GNU Library General Public License (LGPL), version 2 (or at your discretion any later version).
-[[see_also]]
== SEE ALSO
*blkid*(8),
*findfs*(8)
+include::../man-common/bugreports.adoc[]
+
include::../man-common/footer-lib.adoc[]
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