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Интерактивная система просмотра системных руководств (man-ов)

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environ (7)
  • environ (3) ( POSIX man: Библиотечные вызовы )
  • environ (4) ( Solaris man: Специальные файлы /dev/* )
  • environ (5) ( Solaris man: Форматы файлов )
  • environ (5) ( Русские man: Форматы файлов )
  • environ (5) ( Linux man: Форматы файлов )
  • >> environ (7) ( FreeBSD man: Макропакеты и соглашения )
  • environ (7) ( Linux man: Макропакеты и соглашения )

  • BSD mandoc
     

    NAME

    
    
    environ
    
     - user environment
    
     
    

    SYNOPSIS

    extern char **environ  

    DESCRIPTION

    An array of strings called the environment is made available by execve(2) when a process begins. By convention these strings have the form ``name=value '' The following names are used by various commands:

    BLOCKSIZE
    The size of the block units used by several commands, most notably df(1), du(1) and ls(1). BLOCKSIZE may be specified in units of a byte by specifying a number, in units of a kilobyte by specifying a number followed by ``K'' or ``k'', in units of a megabyte by specifying a number followed by ``M'' or ``m'' and in units of a gigabyte by specifying a number followed by ``G'' or ``g''. Sizes less than 512 bytes or greater than a gigabyte are ignored.
    COLUMNS
    The user's preferred width in column positions for the terminal. Utilities such as ls(1) and who(1) use this to format output into columns. If unset or empty, utilities will use an ioctl(2) call to ask the terminal driver for the width.
    EDITOR
    Default editor name.
    EXINIT
    A startup list of commands read by ex(1) and vi(1).
    HOME
    A user's login directory, set by login(1) from the password file passwd(5).
    LANG
    This variable configures all programs which use setlocale(3) to use the specified locale unless the LC_* variables are set.
    LC_ALL
    Overrides the values of LC_COLLATE LC_CTYPE LC_MESSAGES LC_MONETARY LC_NUMERIC LC_TIME and LANG
    LC_COLLATE
    Locale to be used for ordering of strings.
    LC_CTYPE
    Locale to be used for character classification (letter, space, digit, etc.) and for interpreting byte sequences as multibyte characters.
    LC_MESSAGES
    Locale to be used for diagnostic messages.
    LC_MONETARY
    Locale to be used for interpreting monetary input and formatting output.
    LC_NUMERIC
    Locale to be used for interpreting numeric input and formatting output.
    LC_TIME
    Locale to be used for interpreting dates input and for formatting output.
    MAIL
    The location of the user's mailbox instead of the default in /var/mail, used by mail(1), sh(1), and many other mail clients.
    NLSPATH
    List of directories to be searched for the message catalog referred to by LC_MESSAGES See catopen(3).
    PAGER
    Default paginator program. The program specified by this variable is used by mail(1), man(1), ftp(1), etc, to display information which is longer than the current display.
    PATH
    The sequence of directories, separated by colons, searched by csh(1), sh(1), system(3), execvp(3), etc, when looking for an executable file. PATH is set to ``/usr/bin:/bin'' initially by login(1).
    PRINTER
    The name of the default printer to be used by lpr(1), lpq(1), and lprm(1).
    PWD
    The current directory pathname.
    SHELL
    The full pathname of the user's login shell.
    TERM
    The kind of terminal for which output is to be prepared. This information is used by commands, such as nroff(1) or plot(1) which may exploit special terminal capabilities. See /usr/share/misc/termcap (termcap(5) ) for a list of terminal types.
    TERMCAP
    The string describing the terminal in TERM or, if it begins with a '/', the name of the termcap file. See TERMPATH below, and termcap(5).
    TERMPATH
    A sequence of pathnames of termcap files, separated by colons or spaces, which are searched for terminal descriptions in the order listed. Having no TERMPATH is equivalent to a TERMPATH of ``$HOME/.termcap:/etc/termcap '' TERMPATH is ignored if TERMCAP contains a full pathname.
    TMPDIR
    The directory in which to store temporary files. Most applications use either ``/tmp'' or ``/var/tmp'' Setting this variable will make them use another directory.
    TZ
    The timezone to use when displaying dates. The normal format is a pathname relative to ``/usr/share/zoneinfo '' For example, the command ``env TZ=America/Los_Angeles date'' displays the current time in California. See tzset(3) for more information.
    USER
    The login name of the user.

    Further names may be placed in the environment by the export command and name=value arguments in sh(1), or by the setenv command if you use csh(1). It is unwise to change certain sh(1) variables that are frequently exported by .profile files, such as MAIL PS1 PS2 and IFS unless you know what you are doing.

    The current environment variables can be printed with env(1), set(1) or printenv(1) in sh(1) and env(1), printenv(1) or the printenv built-in command in csh(1).  

    SEE ALSO

    cd(1), csh(1), env(1), ex(1), login(1), printenv(1), sh(1), execve(2), execle(3), getenv(3), setenv(3), setlocale(3), system(3), termcap(3), termcap(5)  

    HISTORY

    The manual page appeared in BSD 4.2


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    HISTORY


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