Network Software - Silicon Graphics IRIS Workstation User Manual

24 IRIS WORKSTATION GUIDE

5.4 Network Software

The IRIS Workstation has three programs for using an Ethernet local area
network: xcp, xx and xlogin. These simple commands allow the user to copy
files from one host to another, run commands on a remote host and log into a
remote host.
Here is a brief explanation of certain terms associated with networks.
• A network is a collection of computers and terminals connected by
some means.
• A host is a computer on a network.
• A local host is the host that a person is using.
• A remote host is the opposite of a local host. That is, it is a machine
on a network that a person is not using. The difference between a
local and a remote host is the frame of reference one uses. The local
host is where the user is and remote host is "where" the user isn't.
xcp copies file from one host (either local or remote) to another (also either local
or remote). Here are some examples:
$ xcp sqiral.c olympus:/oh4/doc/install/sqiral.c
$ xcp sting:/usr/include/stdio.h te
$ xcp puppy:temp_vi sting:temp_vi
NOTE: In each example, the user must have an account
with the same user name on each host.
The first example copies a file in the current directory of the remote machine
to the file sqiral.c in the directory /oh4/doc/install on the host named olympus. The
second example copies a file from the host olympus to the local machine. The
third example copies a file from one remote machine named puppy to another
named sting.
The second command xx is useful for running short commands on a remote
host. Again, this command assumes that the user has an account on the
remote machine with the same user name as on the local machine. For
example, it may be useful to find what the load average is on another
machine:
$ xx olympus uptime
1:51pm up 21:14. 30 users. load average: 12.14 11.34 10.25
The third command xlogin allows the user to login across a network on a remote
host. All that is needed is a host name. For example,
$ xlogin olympus
login:
...
For more information about the network software for the IRIS Workstation, see
the manual entries in Appendix F.
Operation
Version 1.0