Interactive help: Difference between revisions
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gawk -F: '{ print $1 }' /etc/passwd
</pre>
=={{header|Factor}}==
<code>$ factor -h</code>
{{out}}
<pre>
Usage: factor.com [Factor arguments] [script] [script arguments]
Factor arguments:
-help print this message and exit
-version print the Factor version and exit
-i=<image> load Factor image file <image> (default factor.image)
-run=<vocab> run the MAIN: entry point of <vocab>
-run=listener run terminal listener
-run=ui.tools run Factor development UI
-e=<code> evaluate <code>
-no-user-init suppress loading of .factor-rc
-datastack=<int> datastack size in KiB
-retainstack=<int> retainstack size in KiB
-callstack=<int> callstack size in KiB
-callbacks=<int> callback heap size in KiB
-young=<int> young gc generation 0 size in MiB
-aging=<int> aging gc generation 1 size in MiB
-tenured=<int> tenured gc generation 2 size in MiB
-codeheap=<int> codeheap size in MiB
-pic=<int> max pic size
-fep enter fep mode immediately
-no-signals turn off OS signal handling
-console open console if possible
-roots=<paths> a list of ";"-delimited extra vocab roots
Enter
"command-line" help
from within Factor for more information.
</pre>
Additionally, by pressing <code>F1</code> in the listener, you can access the help browser, an offline version of [https://docs.factorcode.org/content/article-handbook.html Factor's documentation]. Factor's help browser interfaces with the listener in various ways. For example, pressing <code>ctrl+h</code> while the cursor is over a word will take you to that word's documentation. Running <code>"sequences" about</code> in the listener will take you to the documentation for the <code>sequences</code> vocabulary.
=={{header|Go}}==
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