Red Hat Linux has a hierarchical file system. The top-most directory—known as the root directory—of the file system contains several other directories, sometimes called sub-directories. Basic File system Hierarchy Standard (FHS) Directories.
/ | The root directory, the top-level directory in the FHS. All other directories are sub-directories of root, which is always mounted on some partition. |
/bin | Contains binary executable files used by user, administrator, and operating system. |
/boot | Contains file required for booting the system |
/dev | Contains files associated with the devices attached to the system |
/etc | Contains configuration files of the application in the system. |
/lib | Contains library files required by the executable files stored in /bin directory. |
/media | Contains mount point for the removable media attached to the system |
/mnt | Contains mount points for mounted file system. |
/opt | Contains third party software application. |
/proc | Contains files that represent the current state of kernel. |
/sbin | contains binary executable files used for system booting and recovery operation and not accessed by regular user. |
/srv | Contains data files used by services, such as WWW and FTP |
/sys | Contains files that represent the state of the kernel. |
/usr | Contains user related files, program, and documentation. |
/var | Contains log files, error messages, cache data and other files. |
/tmp | Contains temporary files created by application, which are deleted at system reboot. |
/home | Each user on the system has a home directory. It is the location where the user arrives first logging in to the system. |
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