Open System Services Management and Operations Guide (G06.25+, H06.03+)

Introducing Open System Services
Open System Services Management and Operations Guide—527191-002
1-8
The /dev Directory
Figure 1-3 shows how the /E directory on your local node allows remote file access
through an Expand network.
The /E directory is described in more detail in Section 3, Understanding the OSS File
System.
The /dev Directory
The /dev directory is the device directory. It contains only the following files:
The /dev directory itself is provided for compatibility with existing UNIX software. Do
not put anything in this directory.
Devices are added and configured in the Guardian environment; therefore, they do not
appear in the /dev directory.
Figure 1-3. Pathname Resolution for Remote File Access Through the Guardian
Expand Network
tty The current controlling terminal for the application that is running.
null A data sink. Anything successfully sent to /dev/null disappears.
VST009.VSD
Local Node \NODE1
OSS
Environment
OSS
pathname
Remote Node \NODE2
OSS
Environment
OSS
pathname
/usr
/donl
/test
OSS
pathname
/E
/node2
/usr
/donl
/test
Guardian
Environment
OSS name
server
Guardian
filename
\NODE2
.$VOL3
.SUB3
.MYFILE
Guardian
Environment
Guardian
filename
\NODE2
.$VOL2
.ZYQ00011
.Z0000DV5
OSS name
server
/E
/node2
/G
/vol3
/sub3
/myfile