Default Directories for root (/) and /usr File Systems

/

Root of the overall file system name space 

/dev

Primary location for special files 

/dev/cfg

Symbolic links to physical ap_ids 

/dev/cua

Device files for uucp 

/dev/dsk

Block disk devices 

/dev/fbs

Frame buffer device files 

/dev/md

Logical volume management meta-disk devices 

/dev/fd

File descriptors 

/dev/pts

pty slave devices

/dev/rdsk

Raw disk devices 

/dev/rmt

Raw tape devices 

/dev/sad

Entry points for the STREAMS Administrative Driver 

/dev/sound

Audio device and audio device control files 

/dev/swap

Default swap device 

/dev/term

Serial devices 

/etc

Host-specific system administrative configuration files and databases 

/etc/acct

Accounting configuration information 

/etc/cron.d

Configuration information for cron

/etc/default

Defaults information for various programs 

/etc/dmi

Solstice Enterprise Agents^TM configuration files

/etc/dfs

Configuration information for shared file systems 

/etc/dhcp

Dynamic Host Configuration Protocol (DHCP) configuration files 

/etc/fn

Federated Naming Service and x.500 support files 

/etc/fs

Binaries organized by file system types for operations required before /usr is mounted

/etc/gss

Generic Security Service (GSS) Application Program Interface configuration files 

/etc/inet

Configuration files for Internet services 

/etc/init.d

Scripts for changing between run levels 

/etc/lib

Dynamic linking libraries needed when /usr is not available

/etc/llc2

Logical link control (llc2) driver configuration files

/etc/lp

Configuration information for the printer subsystem 

/etc/mail

Mail subsystem configuration information 

/etc/net

Configuration information for TI (transport- independent) network services 

/etc/nfs

NFS server logging configuration file 

/etc/openwin

OpenWindows^TM configuration files

/etc/opt

Configuration information for optional packages 

/etc/rc0.d

Scripts for entering/leaving run level 0 

/etc/rc1.d

Scripts for entering/leaving run level 1 

/etc/rc2.d

Scripts for entering/leaving run level 2 

/etc/rc3.d

Scripts for entering/leaving run level 3 

/etc/rcS.d

Scripts for bringing the system up in single user mode 

/etc/rpcsec

This directory may contain a NIS+ authentication configuration file 

/etc/saf

Service access facility files (including FIFOs) 

/etc/security

Basic Security Module (BSM) configuration files 

/etc/skel

Default profile scripts for new user accounts 

/etc/tm

Trademark files; contents displayed at boot time 

/etc/uucp

uucp configuration information

/export

Default directory for users' home directories, client file systems, or other shared file systems 

/home

Default directory or mount point for a user's home directory on a standalone system. When AutoFS is running, you cannot create any new entries in this directory. 

/kernel

Directory of platform-independent loadable kernel modules required as part of the boot process. It includes the generic part of the core kernel that is platform independent, /kernel/genunix. See Table 40-3 for the /platform and /usr/platform directory structure.

/mnt

Convenient, temporary mount point for file systems 

/opt

Default directory or mount point for add-on application packages 

/sbin

Essential executables used in the booting process and in manual system failure recovery 

/stand

Standalone programs 

/tmp

Temporary files; cleared during boot sequence 

/usr

Mount point for the /usr file system. See Table 40-2 for more information.

/var

Directory for varying files, which usually includes temporary, logging, or status files 

/var/adm

System logging and accounting files 

/var/audit

Basic Security Module (BSM) audit files 

/var/crash

Default depository for kernel crash dumps 

/var/cron

cron's log file

/var/dmi

Solstice Enterprise Agents^TM (SEA) Desktop Management Interface (DMI) run time components

dtlogin configuration files

FTP server directory 

/var/inet

IPv6 router state files 

/var/log

System log files 

/var/lp

Line printer subsystem logging information  

/var/mail

Directory where users' mail is kept 

/var/news

Community service messages (note: not the same as USENET-style news)

/var/nis

NIS+ databases 

/var/nfs

NFS server log files 

/var/ntp

Network Time Protocol (NTP) server state directory 

/var/opt

Root of a subtree for varying files associated with software packages 

/var/preserve

Backup files for vi and ex

/var/run

Temporary system files that are not needed across system reboots. This is a TMPFS-mounted directory. 

/var/sadm

Databases maintained by the software package management utilities 

/var/saf

saf (service access facility) logging and accounting files

/var/spool

Directories for spooled temporary files 

/var/spool/cron

cron and at spool files

/var/spool/locks

Spooling lock files 

/var/spool/lp

Line printer spool files 

/var/spool/mqueue

Mail queued for delivery 

/var/spool/pkg

Spooled packages 

/var/spool/uucp

Queued uucp jobs

/var/spool/uucppublic

Files deposited by uucp

/var/statmon

Network status monitor files 

/var/tmp

Directory for temporary files; not cleared during boot sequence 

/var/uucp

uucp log and status files

/var/yp

NIS databases (for backwards compatibility with NIS and unnecessary after full transition to NIS+) 

4lib

SunOS 4.1 binary compatibility package libraries 

5bin

Symbolic link to the /usr/bin directory

X

Symbolic link to the /usr/openwin directory

adm

Symbolic link to the /var/adm directory

aset

Directory for Automated Security Enhancement Tools (ASET) programs and files 

bin

Location for standard system commands 

ccs

C compilation programs and libraries 

demo

Demo programs and data 

dict

Symbolic link to the /usr/share/lib/dict directory, which contains the dictionary file used by the UNIX spell program

dt

Directory or mount point for CDE software 

games

An empty directory, which is a remnant of the SunOS 4.0/4.1 software 

include

Header files (for C programs, etc.) 

java*

Directories containing Java^TM programs and libraries

kernel

Additional kernel modules 

kvm

Implementation architecture-specific binaries and libraries 

lib

Various program libraries, architecture-dependent databases, and binaries not invoked directly by the user 

local

Commands local to a site 

mail

Symbolic link to the /var/mail directory

man

Symbolic link to the /usr/share/man directory

net

Directory for network listener services 

news

Symbolic link to the /var/news directory

oasys

Files pertaining to the Form and Menu Language Interpreter (FMLI) execution environment 

old

Programs that are being phased out 

openwin

Directory or mount point for OpenWindows software 

perl5

Perl 5 programs and documentation 

platform

See Table 40-3 for more information

preserve

Symbolic link to the /var/preserve directory

proc

Directory for the proc tools

pub

Files for online man page and character processing 

sadm

Various files and directories related to system administration 

sbin

Executables for system administration 

sbin/static

Statically linked version of selected programs from /usr/bin and /usr/sbin

share

Architecture-independent sharable files 

share/lib

Architecture-independent databases 

share/src

Source code for kernel, libraries, and utilities 

snadm

Programs and libraries related to system and network administration  

spool

Symbolic link to the /var/spool directory

src

Symbolic link to the share/src directory

tmp

Symbolic link to the var/tmp directory

ucb

Berkeley compatibility package binaries 

ucbinclude

Berkeley compatibility package header files 

ucblib

Berkeley compatibility package libraries 

vmsys

Directory for Framed Access Command Environment (FACE) programs 

xpg4

Directory for POSIX-compliant utilities