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Working with files and directories

An example: what the system contains

When an SCO OpenServer system is installed, many directories are created automatically. The following figure shows a partial structure of a UNIX root filesystem. (A full root filesystem would be too large to show here.)


/
The root directory is the root of the filesystem tree. Every directory is a subdirectory of root.

/bin and /usr/bin
These directories contain most of the UNIX system commands. Generally, standard UNIX commands and applications are held in /bin, whereas group-specific commands and applications, that is, those used by a particular group of users, are held in /usr/bin.

/dev
This directory contains all the special device files. Special device files are access points to all the peripherals connected to the system.

/etc
This directory contains many of the system configuration files and system administration commands.

/unix
This file contains the UNIX kernel program. This program is loaded into memory when the operating system starts up. It is the heart of the SCO OpenServer system; for more information see ``The UNIX system kernel''.

/usr/lib
This directory contains many application library files.

/usr/spool
This directory is used by many commands for storing temporary files or files in a queue.

/var/opt/
This directory contains storage sections. See ``Creating a link to a directory'' for information about symbolic links and storage sections.

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© 2005 The SCO Group, Inc. All rights reserved.
SCO OpenServer Release 6.0.0 -- 03 June 2005