Communicator 3000 MPE/iX Release 6.0 (Platform Software Release C.60.00) (30216-90269)

210 Chapter 10

Technical Articles

The REMSH Client Functionality

by Cas Caswell

Commercial Systems Division

An Overview of the REMSH Service

The remote shell, or REMSH, service is used to connect to a speciﬁed

host and execute a command on that remote host. This article

describes:

• Verifying installation

• Conﬁguring the REMSH client

• Using REMSH

• Troubleshooting REMSH

• Implementation differences between REMSH on MPE/iX and

REMSH for HP-UX

• Available documentation

REMSH is the same service as rsh on BSD UNIX systems. The name

was changed due to a conﬂict with the existing command rsh (restricted

shell) on System V UNIX systems.

REMSH allows a user to connect to the remote system and execute a

command on that remote system. Output from the remote command is

sent to the REMSH standard output so the user can see the results of

the command.

Verifying Installation

The REMSH client is part of the Internet Services product with release

C.55.03. To verify that REMSH is available on your system, use

NMMAINT,73 to list versions of the Internet Services.

Conﬁguring the REMSH Client

There is only one ﬁle on the MPE/iX system that you will need to

change in order to allow use of the REMSH client. That is the ﬁle

services.net.sys. However, there are some ﬁles that will need to be

conﬁgured on the remote UNIX systems.

Editing the Services File

The services ﬁle associates ofﬁcial service names and aliases with the

port number and protocol the services use. To enable REMSH use, you

must edit the services ﬁle.