The HEASARC welcomes your participation in a brief survey to capture how users access and utilize HEASARC data, software, and services. The outcome(s) of this survey will be used to guide, prioritize, and plan our activities and development in the coming years. It contains 20 questions, generally takes just a few minutes to complete, and your answers will remain totally anonymous. The survey is open until Dec 18, 2023. We thank you in advance for your valuable feedback.

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recall

With no arguments, recall prints the last 20 commands given. With a numerical argument, it reruns that command from the command list. The only tricky part of this is that when you add a new commands the command numbers get shifted down by 1 for all the previous commands, so the same number will refer to different commands as you add more commands.

On Unix systems, this is no longer necessary, since the up and down cursor keys serve the same function.

Example: 


xsel:ASCA-sis1 > recall

        ...
     1 HELP
     2 SET inst sis1
     3 CHOOSE 1-2
     4 FAINT
     5 BIN image
     6 SAVE image -image.fits
     7 SHOW status
     8 HELP

xsel:ASCA-sis1 > recall 3
xsel:ASCA-sis1 > CHOOSE 1-2



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Last modified: Tuesday, 10-Jan-2023 11:03:00 EST

The HEASARC welcomes your participation in a brief survey to capture how users access and utilize HEASARC data, software, and services. The outcome(s) of this survey will be used to guide, prioritize, and plan our activities and development in the coming years. It contains 20 questions, generally takes just a few minutes to complete, and your answers will remain totally anonymous. The survey is open until Dec 18, 2023. We thank you in advance for your valuable feedback.