System information

Note
The default httpd install uses /var/www/html for served content.
2.1 .1 .1 2 . T he /sys/ Dire ct o ry
The /sys/ directory utilizes the new sysfs virtual file system specific to the 2.6 kernel. With the
increased support for hot plug hardware devices in the 2.6 kernel, the /sys/ directory contains
information similar to that held by /pro c/, but displays a hierarchical view of device information
specific to hot plug devices.
2.1 .1 .1 3. T he /usr/ Dire ct o ry
The /usr/ directory is for files that can be shared across multiple machines. The /usr/ directory is
often on its own partition and is mounted read-only. The /usr/ directory usually contains the
following subdirectories:
/usr/bi n
This directory is used for binaries.
/usr/etc
This directory is used for system-wide configuration files.
/usr/g ames
This directory stores games.
/usr/i ncl ud e
This directory is used for C header files.
/usr/kerbero s
This directory is used for Kerberos-related binaries and files.
/usr/l i b
This directory is used for object files and libraries that are not designed to be directly
utilized by shell scripts or users. This directory is for 32-bit systems.
/usr/l i b6 4
This directory is used for object files and libraries that are not designed to be directly
utilized by shell scripts or users. This directory is for 64-bit systems.
/usr/l i bexec
This directory contains small helper programs called by other programs.
/usr/sbi n
This directory stores system administration binaries that do not belong to /sbi n/.
/usr/share
This directory stores files that are not architecture-specific.
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