LSF Version 7.3 - Administering Platform LSF

Administering Platform LSF 737

C HAPTER

Using lstcsh

This chapter describes lstcsh, an extended version of the tcsh command

interpreter. The

lstcsh interpreter provides transparent load sharing of user jobs.

This chapter is not a general description of the

tcsh shell. Only load sharing

features are described in detail.

Interactive tasks, including

lstcsh, are not supported on Windows.

Contents

◆ About lstcsh on page 737

◆ Starting lstcsh on page 740

◆ Using lstcsh as Your Login Shell on page 740

◆ Host Redirection on page 741

◆ Task Control on page 742

◆ Built-in Commands on page 742

◆ Writing Shell Scripts in lstcsh on page 744

About lstcsh

The lstcsh shell is a load-sharing version of the tcsh command interpreter. It is

compatible with

csh and supports many useful extensions. csh and tcsh users can

use

lstcsh to send jobs to other hosts in the cluster without needing to learn any

new commands. You can run

lstcsh from the command-line, or use the chsh

command to set it as your login shell.

With

lstcsh, your commands are sent transparently for execution on faster hosts

to improve response time or you can run commands on remote hosts explicitly.

lstcsh provides a high degree of network transparency. Command lines executed on

remote hosts behave the same as they do on the local host. The remote execution

environment is designed to mirror the local one as closely as possible by using the

same values for environment variables, terminal setup, current working directory,

file creation mask, and so on. Each modification to the local set of environment