. To open an existing file for editing: vi intro . This opens the file intro for editing. This file already exists in the current directory. To create a file to edit: vi part2 . This command starts vi with a new file named part2 . This file does not exist in the current directory until it is written to using the write command. To simply start vi : vi . This command places you in vi . You can then enter and edit text and write it to a file.

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• Starting vi and opening files
• Problems with logging out
• UNIX shell commands

Next: The Optopus session Up: Using the Optopus Previous: Using the Optopus . The commands in the Optopus package have to initialised by setting the Optopus context with the MIDAS command SET/CONTEXT OPTOPUS . ... Since almost all commands in the package work, both in input and in output, on MIDAS tables, another important task of the user at the start of an Optopus session will be to create a MIDAS table from the ASCII file where the data about the objects to be observed are being kept. ...

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• Command Syntax
• Getting Started
• Debugging of Procedures and Modules

... GPI Data Pipeline 1.0 documentation . GPItv Viewer User?s Guide . ... Starting GPItv . ... GPItv can be started from a script or from the IDL command-line prompt. ... If starting from within a script, you may wish to specify the ?/block? option to pause the script while the user works with GPItv, or else use Multi-Session mode to allow concurrent execution. ... In addition to menu functions and mouse modes described below, GPItv has several functions directly available from the main window: . ...

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• Logging In...and Out
• Installing Compiled Executables for use with the IDL Runtime GPI Data Pipeline
• Frequently Asked Questions GPI Data Pipeline 1.0 documentation

... The best way to illustrate the problem is with a few different examples. C example --------- The most well-known example exploits a common implementation of the UNIX popen() call, and affects primarily C programs. popen() allows the programmer to start up a command, and read from or write to it as if it were a file. ... Now imagine a CGI that uses popen to process user input. ... Perl Script example ------------------- Perl has the same problem with it's open command the C has with popen. ...

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• *timfilter* - List start & stop times of good data intervals
• The Images Menu

In this chapter we will consider two very simple but useful Web agents that I have written on Actor Prolog for my own needs. ... Let us start the Web agent. Fig. ... Start of the Web agent. The Context diagram consists of three blocks: "Logic Programming Sites", "Edit", and "Check". ... Some Web sites that are linked with the logic programming and Prolog are listed in the pulldown list (these addresses are transferred to the "Edit" block from the "Logic Programming Sites" block). ...

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• Getting Started in Actor Prolog. 3D Web Site.
• Getting Started in Actor Prolog. Oil Production.
• Getting Started in Actor Prolog. Component-Oriented Programming.

... It runs on unix, MacOS and possibly on Windows. ... On MacOS or Windows, double-click TUI. If MacOS complains that the application is unsigned then right-click TUI and select Open. ... If you have never run TUI before, set up your preferences before proceeding (for help on any item, right-click on the control and select Help from the menu that appears): . ... To save your window positions and remember which windows to open at startup, select Save Window Positions from the TUI menu. ...

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• Observers Instructions for filling out the ARCSAT nightlog
• TUI:Instruments:Expose Window
• TUI:Scripts:Scripting Tutorial:Send Commands

... This describes how to set up a VNC connection using standard MacOS programs. ... Before opening the VNC viewer, you will need to SSH onto remote to start a VNC session on dataview, as described above. ... When you open Chicken, you will get a VNC Login window with a number of fields on the right.. ... If you get this wrong (or if you entered your VNC password incorrectly on the VNC login screen), you will get an Authentication Failed message and will be asked again to Enter password to retry . ...

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• little start i/o
• Operations
• The Arecibo User Manual for Astronomers

Starting Apache on Windows . Starting Apache on Unix . ... If the Port specified in the configuration file is the default of 80 (or any other port below 1024), then it is necessary to have root privileges in order to start Apache, so that it can bind to this privileged port. ... As an alternative to invoking the httpd binary directly, a shell script called apachectl is provided which can be used to control the daemon process with simple commands such as apachectl start and apachectl stop . ...

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• Manual Page: apachectl - Apache HTTP Server
• Stopping and Restarting Apache
• Apache module mod_auth_anon.c

GPLOT is written for those who want a lot of flexibility in creating plots and are not satisfied with standard plotting facilities in other GIPSY applications. ... GPLOT is command driven and therefore cannot be compared with a program like CPLOT which is controlled by keywords. ... It processes plot commands like frame , move , draw , quit etc. with or without parameters. ... A destination is set with command device . ... In this document such command files are used as recipes for example plots. ...

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• Starting up correlator control programs
• SM - Changing Key-Bindings
• Pulsar Group Observing/Tcs

... Apache HTTP Server Version 2.2 . ... How Apache Starts . ... If the Listen specified in the configuration file is default of 80 (or any other port below 1024), then it is necessary to have root privileges in order to start apache, so that it can bind to this privileged port. ... The recommended method of invoking the httpd executable is to use the apachectl control script. ... Trying to start the server when there is another instance of Apache or some other web server already bound to the same Port....

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• apachectl - Apache HTTP Server Control Interface - Apache HTTP Server
• Issues Regarding DNS and Apache HTTP Server - Apache HTTP Server
• Stopping and Restarting - Apache HTTP Server

SAS home . ... You will find the period of a variable source and create a folded light curve of the object . ... We will run SAS and XRONOS . In pink is marked what you have to type at the command line or some useful scripts. ##########################script to extract a timing event file form ODF################################ . ... or ... setenv SAS_DIR /sas/Linux/RedHat9/sas6_1_0 . ... source $SAS_DIR/sas-setup.csh ... setenv SAS_ODF /SAS_Workshop/Timing/PSRB1509 . ... setenv SAS_CCF ccf.cif . ...

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• Getting started
• Before you start...

... start . ... SAI VO Projects . ... Help on Wiki search . ... Index Recent changes Backlinks Login . ... Enter your authentica