/ The root directory covers the namespace of all file systems.
/bin, the symbol is connected to the directory /usr/bin. The directory stores the binary files of standard system commands.
/dev, the main directory storing names of logic devices. The contents in the directory are used to connect the symbols of some device files to the directory /devices.
/devices, it is the root directory for names of physical device.
/etc, includes the particular configuration files supporting the system to manage the database and files.
/export, the defaulted directory for shared files is the user's home directory, application software, or other shared file system.
/home, the default directory of the user's home directory, or the link point of the user directory.
/kernel, a directory used to load kernel mode for an independent platform required in the importing process.
/lib, the contents under the directory contains the connections to share all files and service management processing libraries.
/mnt, a temporary and handy file link system.
/opt, a default directory or link point established for attaching application packages.
/platform, a directory attached to /kernel.
/sbin, a single user directory containing essential processing method, for instance, the utilization of manual system fault recovering and importing process.
/tmp, a temporary file directory, which is automatically dumped as the system restarts.
/usr, the directory contains the programs, scripts and libraries used by all the system users. The name of the directory is the initial abbreviation of UNIX system resources.
/var, the directory contains some variable files, including temporary files, log or state files.
/dev/fd, a script encoder for files.
/devices, the initial directory of physical device names.
/etc/mnttab, describing the mount situation of your present system.
/etc/svc/volat, the directory contains the relevant status of come log files and the system operation files.
/proc, the information related to the process that the system is running.
/system/contract CTFS (Contract File System), an interface to create, control and observe contracts. The contracts improve the interactive performance between processes and system resources. The SMF utilizes contracts to follow up the processes.
/ststem/object, describing the module loaded to the current system.
/dev/dsk, disk device.
/dev/fbs, files of the frame buffer device.
/dev/md, logical volume management of the disk.
/dev/pts, virtual terminal device.
/dev/rdsk, naked disk drive.
/dev/rmt, naked cassette device.
/dev/sound, sound device and sound device control files.
/dev/term, serial device.
/etc/acct, describing some configuration information of the system.
/etc/cron..d cron, configuration information to be used.
/etc/default, some default information of variable programs.
/etc/inet, configuration files of the network service.
/etc/init.d, including scripts to stop and start services, and storing some files to be used for changing operation grade.
/etc/lib, some dynamic link libraries required when the file system /usr is unavailable.
/etc/lp, configuration information of the print subsystem.
/etc/mail, configuration information of the mail subsystem.
/etc/nfs, configuration information of the NFS log-in service.
/etc/opt, configuration information of the selected packages.
/etc/rc#.d, scripts to enter or exit particular operation grades.
/etc/security, to control the RBAC or some private safety configuration.
/etc/skel, the default initialization shell file for log-on of new users.
/etc/svc, the location of the SMF database and the log files.
/etc/zones, initialization and reference files of zone.
/usr/bin, standard system commands.
/usr/ccs, C compiling programs and libraries.
/usr/demo, demonstration programs and data.
/usr/dt, the directory and link position of the CDE (Common Desktop Environment).
/usr/include, head files (C programs and some other programs).
/usr/java, the directory containing the JAVA programs and libraries.
/usr/kernel, an independent platform that is able to load kernel mode. At the same time, no detailed requirements for the system start-up.
/usr/lib, the architecture supporting database, the variable program library and the binary information not directly accessible for users.
/usr/opt, some configuration information of the selectable packages.
/usr/sbin, system management commands.
/usr/spool, files for /var/spool symbols connection.
/var/adm, the directory for log files.