To find out if a command name is located in your command path: which ue /usr/local/bin/ue . This returns the information that the MicroEMACS editor (ue) is available on this system as the file /usr/local/bin/ue . ... To find out which (if any) of several commands are available: which delete talk ps No delete in /usr/local/utils/bin:/bin:/usr/bin: /usr/local/ucb/bin:/usr/local/gnu/bin: /usr/local/public/bin:/usr/bin/X11:. /usr/bin/talk /bin/ps . ...

... These tasks include tools for mathematical and statistical operations on science images and for analysis and display of raw and reduced data. ... Under this category are several tasks described in Chapter 3 of the Introduction to the HST Data Handbooks , msarith, mscombine, msstatistics, msjoin and mssplit , along with a few other tasks we describe below, ndisplay, markdq, mosdisplay, pstack, pstats, sampinfo, sampdiff, and sampcum . ... The sampdiff task automates this process. ...

... This appendix describes how to use the JavaScript console to evaluate expressions and display error messages to the user. ... Displaying Error Messages with the Console JavaScript 1.2 and earlier versions. ... You can specify whether to automatically open the console when a JavaScript error occurs or to display a dialog box for each JavaScript error. ... To open a dialog box each time an error occurs, add the following line to prefs.js : user_pref("javascript.classic.error_alerts", true); . ...

Modules | ... Apache HTTP Server Version 2.2 . ... Some files in the modules/experimental directory under the Apache distribution directory tree are provided as an example to those that wish to write modules that use the Apache API. ... If you link it into your server, enable the "example-handler" handler for a location, and then browse to that location, you will see a display of some of the tracing the example module did as the various callbacks were made. ... Using the mod_example Module . ...

This module illustrates many of the aspects of the Apache 1.2 API and, when used, demonstrates the manner in which module callbacks are triggered by the server. ... Source File: mod_example.c . ... The files in the src/modules/example directory under the Apache distribution directory tree are provided as an example to those that wish to write modules that use the Apache API. ... Example . ... Uncomment the "AddModule modules/example/mod_example" line near the bottom of the src/Configuration file. ...

... CentralProcessor 0.11 documentation . Utilities . The CASDA upload utility prepares artifacts for submission to the CSIRO ASKAP Science Data Archive (CASDA). ... Evaluation Pipeline Artifacts (any file format) . ... The measurement set is a directory, where CASDA requires a single file per artifact . ... The following example declares four artifacts to be uploaded to CASDA, one for each of the artifact types: image, source catalogue, measurement set and evaluation report. ...

... Are HVCs a common feature of star forming galaxies? ... Consider the typical properties of the smallest HVCs (compact HVCs) found in HIPASS: . Distance . HI Mass . ... At 5 kpc . meager objects ~116 solar masses . ... 1.15 x 10 4 solar masses . ... Putman et al. (2003) found none to 10 7 solar masses. 2% of Sculptor to 3 x 10 6 solar masses by de Blok et al. (2001) found none. ... High velocity gas around other galaxies can be identified from maps and dynamics: . ... 2003) . ...

OptInt PmWiki : Pm Wiki / Page List Templates . ... template first:) . ... template last ...:) sections to specify output for the first or last page in the list or a group. ... template]] (:template defaults order=name:) (:template first:) Pages ordered by group (:template first {=$Group}:) Pages in group [[{=$Group}/]] (:template each:) * [[{=$FullName}]] (:template last {=$Group}:) {=$Group} contains {$$GroupPageCount} pages. (:template last:) {$$PageCount} pages total. [[#templateend]] . ...

Next: Help Up: IRAF/PROS Previous: Bringing up IRAF . A comprehensive introduction to the IRAF system can be found in A Users Introduction to the IRAF Command Language . ... To list the available commands, type ? ... To run a command or load a package, type its name. Type `bye' to exit a package, or `logout' to get out of the CL. ... The system is composed of `packages', each itself composed of packages and commands (`tasks'). ... Packages can be unloaded by typing bye . ... Help . ...

... Common options . All SAS tasks support the following command line options: . ... If the task uses the ODF Access Layer ( oal ) the following command line option is recognized as well: . ... odf odf . ... odf can be the name of an ODF summary file as created by the task odfingest or merely the name of a directory containing one. ... All tasks may have additional parameters in a parameter file, that can be set on the command line (more information can be found in package param ). param = value . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... 50 Greatest Mysteries . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Mercury's great display before dawn . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...