sync

sh.1tbl

@@ -1,6 +1,6 @@
-.\" $MirBSD: sh.1tbl,v 1.8 2004/05/23 13:03:17 tg Exp $
+.\" $MirBSD: sh.1tbl,v 1.9 2004/08/27 14:26:39 tg Stab $
-.\" _MirBSD: src/bin/ksh/ksh.1tbl,v 1.25 2004/05/23 13:01:35 tg Exp $
+.\" _MirBSD: src/bin/ksh/ksh.1tbl,v 1.29 2004/08/27 14:21:42 tg Exp $
-.\" $OpenBSD: ksh.1tbl,v 1.70 2004/05/09 06:07:42 otto Exp $
+.\" $OpenBSD: ksh.1tbl,v 1.72 2004/08/07 16:46:58 millert Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"     The Regents of the University of California.  All rights reserved.
@@ -43,11 +43,15 @@
 .Nm
 .Op Fl +abCefhiklmnprsuvxX
 .Op Fl +o Ar option
-.Oo [ Fl c Ar command-string [
+.Xo
-.Xo Ar command-name ] No \&| Fl s No \&|
+.Bk -words
-.Ar file No ]\ \&
+.Oo Oo Fl c Ar command-string
-.Xc
+.Op Ar command-name
+.Li \&| Fl s
+.Li \&| Ar file Oc
+.Ek
 .Op Ar argument ... Oc
+.Xc
 .Sh DESCRIPTION
 .Nm
 is a reimplementation of the Bourne shell, a command interpreter for both
@@ -83,11 +87,15 @@ of a file the shell reads commands from.
 If there are no non-option
 arguments, the shell reads commands from the standard input.
 The name of
-the shell (i.e., the contents of $0) is determined as follows: if the
+the shell (i.e., the contents of
+.Va $0 )
+is determined as follows: if the
 .Fl c
 option is used and there is a non-option argument, it is used as the name;
 if commands are being read from a file, the file is used as the name;
-otherwise, the name the shell was called with (i.e., argv[0]) is used.
+otherwise, the name the shell was called with (i.e.,
+.Li argv[0] )
+is used.
 .Pp
 A shell is
 .Dq interactive
@@ -107,7 +115,7 @@ and
 parameters).
 For non-interactive shells, the
 .Ic trackall
-option is on by default (see
+option is on by default (see the
 .Ic set
 command below).
 .Pp
@@ -178,7 +186,8 @@ is processed.
 Clearing the privileged option causes the shell to set
 its effective user ID (group ID) to its real user ID (group ID).
 .Pp
-If the basename of the name the shell is called with (i.e., argv[0])
+If the basename of the name the shell is called with (i.e.,
+.Li argv[0] )
 starts with
 .Ql -
 or if the
@@ -261,7 +270,7 @@ and lastly,
 is used to create subshells.
 .Pp
 Whitespace and meta-characters can be quoted individually using a backslash
-.Pq Sq \e ,
+.Pq Sq \e
 or in groups using double
 .Pq Sq \&"
 or single
@@ -437,7 +446,7 @@ and
 .Ql ||
 operators, while it need not follow
 .Ql & ,
-.Ql |& ,
+.Ql |&
 or
 .Ql \&; .
 The exit status of a list is that of the last command executed, with the
@@ -540,7 +549,7 @@ if no
 .Ar list
 is executed, the exit status is zero.
 .It Xo Ic for Ar name No [
-.Ic in Ar word Ar ... term Ns ]
+.Ic in Ar word ... term Ns ]
 .Ic do Ar list Ic done
 .Xc
 For each
@@ -552,7 +561,11 @@ is set to the word and
 is executed.
 If
 .Ic in
-is not used to specify a word list, the positional parameters ($1, $2, etc.\&)
+is not used to specify a word list, the positional parameters
+.Po
+.Va $1 , $2 ,
+etc.\&
+.Pc
 are used instead.
 For historical reasons, open and close braces may be used instead of
 .Ic do
@@ -672,7 +685,7 @@ If a
 inside a double-quoted string is followed by
 .Ql \e ,
 .Ql $ ,
-.Ql ` ,
+.Ql `
 or
 .Ql \&" ,
 it is replaced by the second character; if it is followed by a newline, both
@@ -835,7 +848,7 @@ form, a
 .Ql \e
 followed by any of
 .Ql $ ,
-.Ql ` ,
+.Ql `
 or
 .Ql \e
 is stripped (a
@@ -1071,7 +1084,9 @@ set directly using assignments:
 Process ID of the last background process started.
 If no background processes have been started, the parameter is not set.
 .It Ev \&#
-The number of positional parameters (i.e., $1, $2, etc.).
+The number of positional parameters (i.e.,
+.Va $1 , $2 ,
+etc.).
 .It Ev \&$
 The process ID of the shell, or the
 .Tn PID
@@ -1082,17 +1097,17 @@ use this mechanism for generating temporary file names; see
 .Xr mktemp 1
 instead.
 .It Ev \&-
-The concatenation of the current single letter options (see
+The concatenation of the current single letter options (see the
 .Ic set
-command below for list of options).
+command below for a list of options).
 .It Ev \&?
 The exit status of the last non-asynchronous command executed.
 If the last command was killed by a signal,
-.Ic \&$?\&
+.Va \&$?\&
 is set to 128 plus the signal number.
 .It Ev 0
 The name the shell was invoked with (i.e.,
-.Ic argv[0] ) ,
+.Li argv[0] )
 or the
 .Ar command-name
 if it was invoked with the
@@ -1113,7 +1128,9 @@ or .-script.
 Further positional parameters may be accessed using
 .Ic ${ Ns Ar number Ns Ic \&} .
 .It Ev \&*
-All positional parameters (except parameter 0), i.e., $1, $2, $3...
+All positional parameters (except parameter 0); i.e.,
+.Va $1 , $2 , $3 ,
+\&...
 If used
 outside of double quotes, parameters are separate words (which are subjected
 to word splitting); if used within double quotes, parameters are separated
@@ -1164,10 +1181,10 @@ Currently set to the
 value as reported by
 .Xr stty 1
 if that value is non-zero.
-This parameter is used by
+This parameter is used by the
 .Ic set Fl o
 and
-.Ic kill -l
+.Ic kill Fl l
 commands to format information columns.
 .It Ev ENV
 If this parameter is found to be set after any profile files are executed, the
@@ -1273,7 +1290,7 @@ Secondary prompt string, by default
 .Dq \&>\ \& ,
 used when more input is needed to complete a command.
 .It Ev PS4
-Used to prefix commands that are printed during execution tracing (see
+Used to prefix commands that are printed during execution tracing (see the
 .Ic set Fl x
 command below).
 This prompt is printed verbatim (i.e., no substitutions are done).
@@ -1308,7 +1325,7 @@ or
 .Ql - ,
 the value of the
 .Ev HOME ,
-.Ev PWD ,
+.Ev PWD
 or
 .Ev OLDPWD
 parameter is substituted, respectively.
@@ -1789,7 +1806,9 @@ Functions are like
 in that they are executed in the current environment.
 However, unlike
 .Li .-scripts ,
-shell arguments (i.e., positional parameters $1, $2, etc.) are never visible
+shell arguments (i.e., positional parameters
+.Va $1 , $2 ,
+etc.) are never visible
 inside them.
 When the shell is determining the location of a command, functions
 are searched after special built-in commands, before regular and
@@ -1920,7 +1939,6 @@ The following is a list of things that are affected by the state of the
 .Ic posix
 option:
 .Bl -bullet
-.It
 Reading of
 .Ev $ENV .
 If not in
@@ -1954,7 +1972,7 @@ in
 .Pf non- Tn POSIX
 mode.
 To avoid problems, use the
-.Ic $(...)
+.Ic $(...)\&
 form of command substitution.
 .It
 .Ic kill -l
@@ -2040,7 +2058,7 @@ This construct is used in most shell scripts that use the old
 .Xr getopt 1
 command.
 .It
-Argument expansion of
+Argument expansion of the
 .Ic alias ,
 .Ic export ,
 .Ic readonly
@@ -2127,7 +2145,7 @@ cause a non-interactive shell to exit and parameter assignments that are
 specified before the command are kept after the command completes.
 Just to confuse things, if the
 .Ic posix
-option is turned off (see
+option is turned off (see the
 .Ic set
 command below), some special commands are very special in that no field
 splitting, file globbing, brace expansion, nor tilde expansion is performed
@@ -2222,7 +2240,7 @@ where
 .Ar value
 is quoted.
 If options were preceded with
-.Ql + ,
+.Ql +
 or a lone
 .Ql +
 is given on the command line, only
@@ -2264,21 +2282,21 @@ is assumed.
 This command is only available on systems which support job control (see
 .Sx Job control
 below for more information).
-.It Xo Ic bind Op Fl m
+.It Xo
+.Ic bind Op Fl m
 .Oo Ar key
 .Op Ns = Ns Ar editing-command
-.Ar ...
+.Ar ... Oc
-.Oc
 .Xc
 Set or view the current emacs command editing key bindings/macros.
 .Nm
-should not have emacs mode, according to Bourne shell documentation, though.
+should now have the emacs mode according to the Bourne shell documentation.
 .It Ic break Op Ar level
 Exit the
 .Ar level Ns th
 inner-most
 .Ic for ,
-.Ic until ,
+.Ic until
 or
 .Ic while
 loop.
@@ -2322,7 +2340,7 @@ If the
 .Fl L
 option (logical path) is used or if the
 .Ic physical
-option (see
+option (see the
 .Ic set
 command below) isn't set, references to
 .Dq \&.\&.
@@ -2377,7 +2395,7 @@ Jumps to the beginning of the
 .Ar level Ns th
 inner-most
 .Ic for ,
-.Ic until ,
+.Ic until
 or
 .Ic while
 loop.
@@ -2520,7 +2538,7 @@ When the end of the options is encountered,
 exits with a non-zero exit status.
 Options end at the first (non-option
 argument) argument that does not start with a
-.Ql - ,
+.Ql -
 or when a
 .Ql --
 argument is encountered.
@@ -2658,7 +2676,7 @@ If the
 .Fl L
 option is used or if the
 .Ic physical
-option (see
+option (see the
 .Ic set
 command below) isn't set, the logical path is printed (i.e., the path used to
 .Ic cd
@@ -2756,7 +2774,9 @@ scripts.
 .Op Fl \&-
 .Op Ar arg ...
 .Xc
-The set command can be used to set
+The
+.Ic set
+command can be used to set
 .Pq Ic \&-
 or clear
 .Pq Ic \&+
@@ -2810,7 +2830,7 @@ explicitly tested by a shell construct such as
 .Ic if ,
 .Ic until ,
 .Ic while ,
-.Ic \&&\&& ,
+.Ic \&&\&&
 or
 .Ic \&|\&|
 statements.
@@ -2949,7 +2969,7 @@ In vi command-line editing, do command and file name completion when escape
 .It Ic vi-show8
 Prefix characters with the eighth bit set with
 .Dq M\&- .
-If this option is not set, characters in the range 128-160 are printed as is,
+If this option is not set, characters in the range 128\-160 are printed as is,
 which may cause problems.
 .It Ic vi-tabcomplete
 In vi command-line editing, do command and file name completion when tab (^I)
@@ -2966,7 +2986,9 @@ with no option name will list all the options and whether each is on or off;
 will print the long names of all options that are currently on.
 .Pp
 Remaining arguments, if any, are positional parameters and are assigned, in
-order, to the positional parameters (i.e., $1, $2, etc.).
+order, to the positional parameters (i.e.
+.Va $1 , $2 ,
+etc.).
 If options end with
 .Ql --
 and there are no remaining arguments, all positional parameters are cleared.
@@ -3079,7 +3101,7 @@ is a socket.
 .It Fl o Ar option
 Shell
 .Ar option
-is set (see
+is set (see the
 .Ic set
 command above for a list of options).
 As a non-standard extension, if the option starts with a
@@ -3223,7 +3245,7 @@ is either a
 string, indicating the signals are to be ignored, a minus sign
 .Pq Sq \&- ,
 indicating that the default action is to be taken for the signals (see
-.Xr signal 3 ) ,
+.Xr signal 3 )
 or a string containing shell commands to be evaluated and executed at the first
 opportunity (i.e., when the current command completes, or before printing the
 next
@@ -3234,8 +3256,8 @@ is the name of a signal (e.g.,
 .Dv PIPE
 or
 .Dv ALRM )
-or the number of the signal (see
+or the number of the signal (see the
-.Ic kill -l
+.Ic kill Fl l
 command above).
 There are two special signals:
 .Dv EXIT
@@ -3246,7 +3268,7 @@ the shell to exit if the
 .Fl e
 or
 .Ic errexit
-option were see -- see
+option were see \(em see the
 .Ic set
 command above).
 .Dv EXIT
@@ -3421,7 +3443,7 @@ Parameters (or functions) are placed in the environment of
 any executed commands.
 Exported functions are not yet implemented.
 .El
-.It Xo Ic ulimit Op Fl acdfHlmnpsSt
+.It Xo Ic ulimit Op Fl acdfHlmnpsStv
 .Op Ar value
 .Xc
 Display or set process limits.
@@ -3455,7 +3477,7 @@ blocks on the size of core dumps.
 .It Fl d Ar n
 Impose a size limit of
 .Ar n
-kilobytes on the size of the data area.
+kibibytes on the size of the data area.
 .It Fl f Ar n
 Impose a size limit of
 .Ar n
@@ -3464,11 +3486,11 @@ size may be read).
 .It Fl l Ar n
 Impose a limit of
 .Ar n
-kilobytes on the amount of locked (wired) physical memory.
+kibibytes on the amount of locked (wired) physical memory.
 .It Fl m Ar n
 Impose a limit of
 .Ar n
-kilobytes on the amount of physical memory used.
+kibibytes on the amount of physical memory used.
 .It Fl n Ar n
 Impose a limit of
 .Ar n
@@ -3480,7 +3502,7 @@ processes that can be run by the user at any one time.
 .It Fl s Ar n
 Impose a size limit of
 .Ar n
-kilobytes on the size of the stack area.
+kibibytes on the size of the stack area.
 .It Fl t Ar n
 Impose a time limit of
 .Ar n
@@ -3491,6 +3513,10 @@ Impose a real time limit of
 .Ar n
 .Tn human
 seconds to be used by each process.
+.It Fl v Ar n
+Impose a limit of
+.Ar n
+kibibytes on the amount of virtual memory used.
 .El
 .Pp
 As far as
@@ -3559,7 +3585,7 @@ below for the format of
 .Ic wait
 will return if a signal for which a trap has been set is received, or if a
 .Dv SIGHUP ,
-.Dv SIGINT ,
+.Dv SIGINT
 or
 .Dv SIGQUIT
 signal is received.
@@ -3640,7 +3666,7 @@ For interactive shells, this number is printed inside
 .Dq \&[..\&] ,
 followed by the process IDs of the processes in the job when an asynchronous
 command is run.
-A job may be referred to in
+A job may be referred to in the
 .Ic bg ,
 .Ic fg ,
 .Ic jobs ,
@@ -3856,7 +3882,7 @@ can be obtained from \fBftp://ftp.cs.mun.ca/pub/pdksh\fR.
 .Pp
 By the way, the most frequently reported bug is:
 .Bd -literal -offset indent
-echo hi | read a; echo $a\ \ \ # Does not print hi
+$ echo hi | read a; echo $a   # Does not print hi
 .Ed
 .Pp
 The