This publication describes the Cray Network Queuing Environment (NQE). NQE is a set of clients and servers that lets users submit, monitor, and control work across a load-balanced network of hosts. NQE supports computing in a large network; up to 36 servers and hundreds of clients using the NQE database model, or an unlimited number of NQS servers. This grouping of servers and clients is referred to as an NQE cluster.

NQE consists of the following components that provide a seamless environment for client users to do their work:

This introduction describes basic user tasks, provides instructions on how to get help online, and provides troubleshooting information.

Related Publications

The following documents contain additional information that may be helpful (this introductory guide is also provided online):

  • NQE User's Guide, publication SG-2148, provides detailed user-level information, such as how to perform user tasks by using either the NQE GUI or the command line interface, and how to customize your environment.

  • NQE Administration, publication SG-2150, provides information on configuring, monitoring, and controlling NQE.

  • NQE Installation, publication SG-5236, describes how to install or upgrade the NQE software.

  • NQE Release Overview, publication RO-5237, provides NQE release information.

These publications can also be accessed online by using the Cray DynaWeb server application and through the Silicon Graphics Technical Publications Library World Wide Web page at the following URL:

For further information, see “Online Documentation” in Chapter 3.

Ordering Cray Research Publications

The User Publications Catalog, Cray Research publication CP-0099, describes the availability and content of all Cray Research hardware and software documents that are available to customers. Cray Research customers who subscribe to the Cray Inform (CRInform) program can access this information on the CRInform system.

To order a document, either call the Distribution Center in Mendota Heights, Minnesota, at +1-612-683-5907, or send a facsimile of your request to fax number +1-612-452-0141. Cray Research employees may send electronic mail to orderdsk (UNIX system users).

Customers who subscribe to the CRInform program can order software release packages electronically by using the Order Cray Software option.

Customers outside of the United States and Canada should contact their local service organization for ordering and documentation information.


The following conventions are used throughout this document:




This fixed-space font denotes literal items such as commands, files, routines, path names, signals, messages, and programming language structures.


Man page section identifiers appear in parentheses after man page names. The following list describes the identifiers:


User commands


User commands ported from BSD


System calls


Library routines, macros, and opdefs


Devices (special files)




File formats


Miscellaneous topics


DWB-related information


Administrator commands

Some internal routines (for example, the _assign_asgcmd_info() routine) do not have man pages associated with them.


Italic typeface denotes variable entries and words or concepts being defined.

user input 

This bold, fixed-space font denotes literal items that the user enters in interactive sessions. Output is shown in nonbold, fixed-space font.

[ ] 

Brackets enclose optional portions of a command line.

The default shell in the UNICOS and UNICOS/mk operating systems, referred to in Cray Research documentation as the standard shell, is a version of the Korn shell that conforms to the following standards:

  • Institute of Electrical and Electronics Engineers (IEEE) Portable Operating System Interface (POSIX) Standard 1003.2-1992

  • X/Open Portability Guide, Issue 4 (XPG4)

The UNICOS and UNICOS/mk operating systems also support the optional use of the C shell.

Reader Comments

If you have comments about the technical accuracy, content, or organization of this document, please tell us. You can contact us in any of the following ways:

  • Send us electronic mail at the following address:

    [email protected]

  • Contact your customer service representative and ask that an SPR or PV be filed. If filing an SPR, use PUBLICATIONS for the group name, PUBS for the command, and NO-LICENSE for the release name.

  • Call our Software Publications Group in Eagan, Minnesota, through the Customer Service Call Center, using either of the following numbers:

    1-800-950-2729 (toll free from the United States and Canada)

  • Send a facsimile of your comments to the attention of “Software Publications Group” in Eagan, Minnesota, at fax number +1-612-683-5599.

We value your comments and will respond to them promptly.