Appendix C. System DirectoriesThis is a list of the primary Red Hat Linux system directories. Each directory is described brieﬂy. Foradditional directory information, refer to the Ofﬁcial Red Hat Linux Customization Guide and OfﬁcialRed Hat Linux Reference Guide indexes.• /bin - Used to store user commands. The directory /usr/bin also stores user commands.• /sbin - Location of many system commands, such as shutdown. The directory /usr/bin also contains many system commands.• /root - The home directory of the superuser.• /mnt - This directory typically contains the mount points for ﬁlesystems mounted after the system is booted.• /boot - Contains the kernel and other ﬁles used during system startup.• /lost+found - Used by fsck to place orphaned ﬁles (ﬁles without names).• /lib - Contains many library ﬁles used by programs in /bin and /sbin. The directory /usr/bin contains more library ﬁles.• /dev - Stores device ﬁles.• /etc - Contains many conﬁguration ﬁles and directories.• /var - For "variable" ﬁles, such as log ﬁles and the printer spool.• /usr - Contains ﬁles and directories directly relating to users of the system.• /proc - A virtual ﬁle system (not actually stored on the disk) that contains system information used by certain programs.• /tmp - A "scratch pad" for users and programs. /tmp has global read/write access.• /home - Typical location of user home directories.