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https://github.com/Ponce/slackbuilds
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86 lines
2.1 KiB
Groff
86 lines
2.1 KiB
Groff
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.\" Man page generated from reStructuredText.
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.nr rst2man-indent-level 0
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.de1 rstReportMargin
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level \\n[rst2man-indent-level]
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level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
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-
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\\n[rst2man-indent0]
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\\n[rst2man-indent1]
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\\n[rst2man-indent2]
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..
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.de1 INDENT
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.\" .rstReportMargin pre:
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. RS \\$1
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. nr rst2man-indent\\n[rst2man-indent-level] \\n[an-margin]
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. nr rst2man-indent-level +1
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.\" .rstReportMargin post:
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..
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.de UNINDENT
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. RE
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.\" indent \\n[an-margin]
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.\" old: \\n[rst2man-indent\\n[rst2man-indent-level]]
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.nr rst2man-indent-level -1
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.\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
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.in \\n[rst2man-indent\\n[rst2man-indent-level]]u
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..
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.TH "CHECKFB" 1 "2021-08-26" "SBo" "SlackBuilds.org"
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.SH NAME
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checkfb \- check for the existence of a framebuffer device
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.\" RST source for checkfb(1) man page. Convert with:
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.
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.\" rst2man.py checkfb.rst > checkfb.1
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.
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.\" rst2man.py comes from the SBo development/docutils package.
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.
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.SH SYNOPSIS
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.sp
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checkfb <[\fIdevice\fP]>
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.SH DESCRIPTION
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.sp
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checkfb attempts to open the Linux framebuffer device read\-only. If successful,
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it reports the display resolution and bit depth.
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.sp
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By default, it opens \fB/dev/fb0\fP\&. The \fIdevice\fP option overrides this.
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.sp
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There are no options.
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.SH EXIT STATUS
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.sp
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0 (success) if the framebuffer exists and can be opened.
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.sp
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Non\-zero means failure: the device doesn\(aqt exist, the permissions
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don\(aqt allow opening it, or possibly the kernel doesn\(aqt support
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framebuffer devices at all.
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.SH EXAMPLES
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.INDENT 0.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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# checkfb
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The framebuffer device (/dev/fb0) was opened successfully.
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1920x1080, 32bpp
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The framebuffer device was mapped to memory successfully.
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.SH COPYRIGHT
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.sp
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checkfb is released under the GPL (according to the comments in its source).
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.SH AUTHORS
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.sp
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checkfb was originally written by Trolltech, and was modified by
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Sébastien Ballet.
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.sp
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This man page written for the SlackBuilds.org project
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by B. Watson, and is licensed under the WTFPL.
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.SH SEE ALSO
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.sp
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fbset(8)
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.\" Generated by docutils manpage writer.
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.
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