22921a859f
Fix "new sentence, new line" warnings throughout so that formatters can produce correct spacing between sentences. join.1 Remove unnecessary Ns macros. These are not necessary for delimeters, which get special treatment. xinstall.1 Fix date in manual. The contents were last modified on 2016-12-03, so use that instead of the invalid date. grep.1 Fix escape sequence for `\<` and `\>`. ed.1 Remove spurious `\\n` escape for the null-command.
88 lines
1.2 KiB
Groff
88 lines
1.2 KiB
Groff
.Dd 2015-10-08
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.Dt CHMOD 1
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.Os sbase
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.Sh NAME
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.Nm chmod
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.Nd change file modes
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.Sh SYNOPSIS
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.Nm
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.Oo
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.Fl R
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.Op Fl H | L | P
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.Oc
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.Ar mode
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.Ar file ...
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.Sh DESCRIPTION
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.Nm
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changes the file mode of each
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.Ar file
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to
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.Ar mode .
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.Pp
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If
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.Ar mode
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is
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.Em octal
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"[sog]e"
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.Bl -tag -width Ds
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.It s
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.Xr sticky 1 => s += 1
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.Pp
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.Xr setgid 2 => s += 2
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.Pp
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.Xr setuid 4 => s += 4
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.It o|g|e
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owner | group | everyone
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.Pp
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.Xr execute 1 => o|g|e += 1
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.Pp
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.Xr write 2 => o|g|e += 2
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.Pp
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.Xr read 4 => o|g|e += 4
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.El
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.Pp
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Leading zeroes may be omitted.
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.Pp
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If
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.Ar mode
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is
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.Em symbolic
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"[ugoa]*[+-=][rwxXst]*"
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.Bl -tag -width Ds
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.It u|g|o|a
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owner | group | other (non-group) | everyone
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.It +|-|=
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add | remove | set
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.It r|w|x|s|t
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read | write | execute | setuid and setgid | sticky
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.It X
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execute, if directory or at least one execute bit is already set
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.El
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl R
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Change modes recursively.
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.It Fl H
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Dereference
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.Ar file
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if it is a symbolic link.
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.It Fl L
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Dereference all symbolic links.
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.It Fl P
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Preserve symbolic links.
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This is the default.
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.El
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.Sh SEE ALSO
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.Xr chgrp 1 ,
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.Xr umask 1
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.Sh STANDARDS
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The
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.Nm
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utility is compliant with the
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.St -p1003.1-2013
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specification.
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.Pp
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The
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.Op Fl HLP
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flags are an extension to that specification.
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