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Интерактивная система просмотра системных руководств (man-ов)

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    • BSD mandoc
     

    NAME

    

builtin

 
!

 
%

 
.

 
:

 
@

 
{

 
}

 
alias

 
alloc

 
bg

 
bind

 
bindkey

 
break

 
breaksw

 
builtins

 
case

 
cd

 
chdir

 
command

 
complete

 
continue

 
default

 
dirs

 
do

 
done

 
echo

 
echotc

 
elif

 
else

 
end

 
endif

 
endsw

 
esac

 
eval

 
exec

 
exit

 
export

 
false

 
fc

 
fg

 
filetest

 
fi

 
for

 
foreach

 
getopts

 
glob

 
goto

 
hash

 
hashstat

 
history

 
hup

 
if

 
jobid

 
jobs

 
kill

 
limit

 
local

 
log

 
login

 
logout

 
ls-F

 
nice

 
nohup

 
notify

 
onintr

 
popd

 
printenv

 
pushd

 
pwd

 
read

 
readonly

 
rehash

 
repeat

 
return

 
sched

 
set

 
setenv

 
settc

 
setty

 
setvar

 
shift

 
source

 
stop

 
suspend

 
switch

 
telltc

 
test

 
then

 
time

 
times

 
trap

 
true

 
type

 
ulimit

 
umask

 
unalias

 
uncomplete

 
unhash

 
unlimit

 
unset

 
unsetenv

 
until

 
wait

 
where

 
which

 
while

 - shell built-in commands

 

    SYNOPSIS

    See the built-in command description in the appropriate shell manual page.  

    DESCRIPTION

    Shell builtin commands are commands that can be executed within the running shell's process. Note that, in the case of csh(1) builtin commands, the command is executed in a subshell if it occurs as any component of a pipeline except the last.

    If a command specified to the shell contains a slash `/' , the shell will not execute a builtin command, even if the last component of the specified command matches the name of a builtin command. Thus, while specifying ``echo '' causes a builtin command to be executed under shells that support the echo builtin command, specifying ``/bin/echo '' or ``./echo '' does not.

    While some builtin commands may exist in more than one shell, their operation may be different under each shell which supports them. Below is a table which lists shell builtin commands, the standard shells that support them and whether they exist as standalone utilities.

    Only builtin commands for the csh(1) and sh(1) shells are listed here. Consult a shell's manual page for details on the operation its builtin commands. Beware that the sh(1) manual page, at least, calls some of these commands ``built-in commands'' and some of them ``reserved words'' Users of other shells may need to consult an info(1) page or other sources of documentation.

    Commands marked ``No** '' under External do exist externally, but are implemented as scripts using a builtin command of the same name.

    Command    External Ta csh(1)TaXrsh1

    ! Ta Ta Ta Yes
    % Ta Ta Yes Ta
    . Ta Ta Ta Yes
    : Ta Ta Yes Ta Yes
    @ Ta Ta Yes Ta Yes
    { Ta Ta Ta Yes
    } Ta Ta Ta Yes
    alias Ta No** Ta Yes Ta Yes
    alloc Ta Ta Yes Ta
    bg Ta No** Ta Yes Ta Yes
    bind Ta Ta Ta Yes
    bindkey Ta Ta Yes Ta
    break Ta Ta Yes Ta Yes
    breaksw Ta Ta Yes Ta
    builtin Ta Ta Ta Yes
    builtins Ta Ta Yes Ta
    case Ta Ta Yes Ta Yes
    cd Ta No** Ta Yes Ta Yes
    chdir Ta Ta Yes Ta Yes
    command Ta No** Ta Ta Yes
    complete Ta Ta Yes Ta
    continue Ta Ta Yes Ta Yes
    default Ta Ta Yes Ta
    dirs Ta Ta Yes Ta
    do Ta Ta Ta Yes
    done Ta Ta Ta Yes
    echo Ta Yes Ta Yes Ta Yes
    echotc Ta Ta Yes Ta
    elif Ta Ta Ta Yes
    else Ta Ta Yes Ta Yes
    end Ta Ta Yes Ta
    endif Ta Ta Yes Ta
    endsw Ta Ta Yes Ta
    esac Ta Ta Ta Yes
    eval Ta Ta Yes Ta Yes
    exec Ta Ta Yes Ta Yes
    exit Ta Ta Yes Ta Yes
    export Ta Ta Ta Yes
    false Ta Yes Ta Ta Yes
    fc Ta No** Ta Ta Yes
    fg Ta No** Ta Yes Ta Yes
    filetest Ta Ta Yes Ta
    fi Ta Ta Ta Yes
    for Ta Ta Ta Yes
    foreach Ta Ta Yes Ta
    getopts Ta No** Ta Ta Yes
    glob Ta Ta Yes Ta
    goto Ta Ta Yes Ta
    hash Ta Ta Ta Yes
    hashstat Ta Ta Yes Ta
    history Ta Ta Yes Ta
    hup Ta Ta Yes Ta
    if Ta Ta Yes Ta Yes
    jobid Ta Ta Ta Yes
    jobs Ta No** Ta Yes Ta Yes
    kill Ta Yes Ta Yes Ta
    limit Ta Ta Yes Ta
    local Ta Ta Ta Yes
    log Ta Ta Yes Ta
    login Ta Yes Ta Yes Ta
    logout Ta Ta Yes Ta
    ls-F Ta Ta Yes Ta
    nice Ta Yes Ta Yes Ta
    nohup Ta Yes Ta Yes Ta
    notify Ta Ta Yes Ta
    onintr Ta Ta Yes Ta
    popd Ta Ta Yes Ta
    printenv Ta Yes Ta Yes Ta
    pushd Ta Ta Yes Ta
    pwd Ta Yes Ta Ta Yes
    read Ta No** Ta Ta Yes
    readonly Ta Ta Ta Yes
    rehash Ta Ta Yes Ta
    repeat Ta Ta Yes Ta
    return Ta Ta Ta Yes
    sched Ta Ta Yes Ta
    set Ta Ta Yes Ta Yes
    setenv Ta Ta Yes Ta
    settc Ta Ta Yes Ta
    setty Ta Ta Yes Ta
    setvar Ta Ta Ta Yes
    shift Ta Ta Yes Ta Yes
    source Ta Ta Yes Ta
    stop Ta Ta Yes Ta
    suspend Ta Ta Yes Ta
    switch Ta Ta Yes Ta
    telltc Ta Ta Yes Ta
    test Ta Yes Ta Ta Yes
    then Ta Ta Ta Yes
    time Ta Yes Ta Yes Ta
    times Ta Ta Ta Yes
    trap Ta Ta Ta Yes
    true Ta Yes Ta Ta Yes
    type Ta Ta Ta Yes
    ulimit Ta Ta Ta Yes
    umask Ta No** Ta Yes Ta Yes
    unalias Ta No** Ta Yes Ta Yes
    uncomplete Ta Ta Yes Ta
    unhash Ta Ta Yes Ta
    unlimit Ta Ta Yes Ta
    unset Ta Ta Yes Ta Yes
    unsetenv Ta Ta Yes Ta
    until Ta Ta Ta Yes
    wait Ta No** Ta Yes Ta Yes
    where Ta Ta Yes Ta
    which Ta Yes Ta Yes Ta
    while Ta Ta Yes Ta Yes

     

    SEE ALSO

    csh(1), echo(1), false(1), info(1), kill(1), login(1), nice(1), nohup(1), printenv(1), pwd(1), sh(1), test(1), time(1), true(1), which(1)  

    HISTORY

    The manual page first appeared in Fx 3.4 .  

    AUTHORS

    This manual page was written by An Sheldon Hearn Aq sheldonh@FreeBSD.org .

     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    HISTORY
    AUTHORS

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