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   man    ( 1 )

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Окружение (Environment)

MANPATH
              If $MANPATH is set, its value is used as the path to
              search for manual pages.

       MANROFFOPT
              Every time man invokes the formatter (nroff, troff, or
              groff), it adds the contents of $MANROFFOPT to the
              formatter's command line.

       MANROFFSEQ
              If $MANROFFSEQ is set, its value is used to determine the
              set of preprocessors to pass each manual page through.
              The default preprocessor list is system dependent.

       MANSECT
              If $MANSECT is set, its value is a colon-delimited list of
              sections and it is used to determine which manual sections
              to search and in what order.  The default is "1 n l 8 3 0
              2 5 4 9 6 7", unless overridden by the SECTION directive
              in /usr/local/etc/man_db.conf.

       MANPAGER, PAGER
              If $MANPAGER or $PAGER is set ($MANPAGER is used in
              preference), its value is used as the name of the program
              used to display the manual page.  By default, less is
              used, falling back to cat if less is not found or is not
              executable.

              The value may be a simple command name or a command with
              arguments, and may use shell quoting (backslashes, single
              quotes, or double quotes).  It may not use pipes to
              connect multiple commands; if you need that, use a wrapper
              script, which may take the file to display either as an
              argument or on standard input.

       MANLESS
              If $MANLESS is set, its value will be used as the default
              prompt string for the less pager, as if it had been passed
              using the -r option (so any occurrences of the text
              $MAN_PN will be expanded in the same way).  For example,
              if you want to set the prompt string unconditionally to
              'my prompt string', set $MANLESS to '-Psmy prompt string'.
              Using the -r option overrides this environment variable.

       BROWSER
              If $BROWSER is set, its value is a colon-delimited list of
              commands, each of which in turn is used to try to start a
              web browser for man --html.  In each command, %s is
              replaced by a filename containing the HTML output from
              groff, %% is replaced by a single percent sign (%), and %c
              is replaced by a colon (:).

       SYSTEM If $SYSTEM is set, it will have the same effect as if it
              had been specified as the argument to the -m option.

       MANOPT If $MANOPT is set, it will be parsed prior to man's
              command line and is expected to be in a similar format.
              As all of the other man specific environment variables can
              be expressed as command line options, and are thus
              candidates for being included in $MANOPT it is expected
              that they will become obsolete.  N.B.  All spaces that
              should be interpreted as part of an option's argument must
              be escaped.

       MANWIDTH
              If $MANWIDTH is set, its value is used as the line length
              for which manual pages should be formatted.  If it is not
              set, manual pages will be formatted with a line length
              appropriate to the current terminal (using the value of
              $COLUMNS, and ioctl(2) if available, or falling back to 80
              characters if neither is available).  Cat pages will only
              be saved when the default formatting can be used, that is
              when the terminal line length is between 66 and 80
              characters.

       MAN_KEEP_FORMATTING
              Normally, when output is not being directed to a terminal
              (such as to a file or a pipe), formatting characters are
              discarded to make it easier to read the result without
              special tools.  However, if $MAN_KEEP_FORMATTING is set to
              any non-empty value, these formatting characters are
              retained.  This may be useful for wrappers around man that
              can interpret formatting characters.

       MAN_KEEP_STDERR
              Normally, when output is being directed to a terminal
              (usually to a pager), any error output from the command
              used to produce formatted versions of manual pages is
              discarded to avoid interfering with the pager's display.
              Programs such as groff often produce relatively minor
              error messages about typographical problems such as poor
              alignment, which are unsightly and generally confusing
              when displayed along with the manual page.  However, some
              users want to see them anyway, so, if $MAN_KEEP_STDERR is
              set to any non-empty value, error output will be displayed
              as usual.

       LANG, LC_MESSAGES
              Depending on system and implementation, either or both of
              $LANG and $LC_MESSAGES will be interrogated for the
              current message locale.  man will display its messages in
              that locale (if available).  See setlocale(3) for precise
              details.