Author: 0mp (ports committer) Date: Thu Jul 19 13:09:29 2018 New Revision: 336483 URL: https://svnweb.freebsd.org/changeset/base/336483
Log: Describe how to prevent *.core files from being created using ulimit. While here, pet mandoc. Reviewed by: eadler (previous revision), jilles (previous revision), mat (mentor) Approved by: manpages (jilles), mat (mentor) Differential Revision: https://reviews.freebsd.org/D15609 Modified: head/bin/sh/sh.1 Modified: head/bin/sh/sh.1 ============================================================================== --- head/bin/sh/sh.1 Thu Jul 19 13:02:29 2018 (r336482) +++ head/bin/sh/sh.1 Thu Jul 19 13:09:29 2018 (r336483) @@ -32,7 +32,7 @@ .\" from: @(#)sh.1 8.6 (Berkeley) 5/4/95 .\" $FreeBSD$ .\" -.Dd October 8, 2016 +.Dd July 19, 2018 .Dt SH 1 .Os .Sh NAME @@ -69,8 +69,7 @@ is close to the .St -p1003.1 specification for the shell. It only supports features -designated by -.Tn POSIX , +designated by POSIX, plus a few Berkeley extensions. This man page is not intended to be a tutorial nor a complete specification of the shell. @@ -248,9 +247,7 @@ particularly in larger scripts. .It Fl f Li noglob Disable pathname expansion. .It Fl h Li trackall -A do-nothing option for -.Tn POSIX -compliance. +A do-nothing option for POSIX compliance. .It Fl I Li ignoreeof Ignore .Dv EOF Ap s @@ -344,9 +341,7 @@ variable subjected to parameter expansion and arithmet to standard error before it is executed. Useful for debugging. .It Li nolog -Another do-nothing option for -.Tn POSIX -compliance. +Another do-nothing option for POSIX compliance. It only has a long name. .El .Pp @@ -409,7 +404,7 @@ The word starting with .Ql # and the rest of the line are ignored. .Pp -.Tn ASCII +ASCII .Dv NUL characters (character code 0) are not allowed in shell input. .Ss Quoting @@ -447,9 +442,7 @@ If .Ar c is a backslash, it must be doubled. .It \ee -The ESC character -.Tn ( ASCII -0x1b) +The ESC character (ASCII 0x1b) .It \ef Formfeed .It \en @@ -745,9 +738,7 @@ passing the arguments and the environment to the progr If the program is not a normal executable file (i.e., if it does not begin with the .Dq "magic number" -whose -.Tn ASCII -representation is +whose ASCII representation is .Dq Li #! , resulting in an .Er ENOEXEC @@ -1064,12 +1055,17 @@ command. .Ss Grouping Commands Together Commands may be grouped by writing either .Pp -.D1 Li \&( Ns Ar list Ns Li \%) +.Sm off +.Bd -literal -offset -ident +.Po Ar list Pc +.Ed +.Sm on .Pp or +.Bd -literal -offset -ident +.No { Ar list ; } +.Ed .Pp -.D1 Li { Ar list Ns Li \&; } -.Pp The first form executes the commands in a subshell environment. A subshell environment has its own copy of: .Bl -enum @@ -1750,11 +1746,11 @@ and contain integer constants. .It Unary operators .Li "! ~ + -" .It Binary operators -.Li "* / % + - << >> < <= > >= == != & ^ | && ||" +.Li "* / % + - << >> < <= > >= == != & ^ | && ||"\& .It Assignment operators .Li "= += -= *= /= %= <<= >>= &= ^= |=" .It Conditional operator -.Li "? :" +.Li "? :"\& .El .Pp The result of the expression is substituted in decimal. @@ -1862,7 +1858,7 @@ A locale-dependent range of characters may be specifie A named class of characters (see .Xr wctype 3 ) may be specified by surrounding the name with -.Ql \&[: +.Ql \&[:\& and .Ql :\&] . For example, @@ -2099,9 +2095,7 @@ Backspace Suppress the trailing newline (this has the side-effect of truncating the line if it is not the last character) .It \ee -The ESC character -.Tn ( ASCII -0x1b) +The ESC character (ASCII 0x1b) .It \ef Formfeed .It \en @@ -2301,8 +2295,7 @@ Move the specified .Ar job or the current job to the foreground. .It Ic getopts Ar optstring var -The -.Tn POSIX +The POSIX .Ic getopts command. The @@ -2415,7 +2408,7 @@ read from the standard input. The trailing newline is deleted from the line and the line is split as described in the section on -.Sx White Space Splitting (Field Splitting) +.Sx White Space Splitting (Field Splitting)\& above, and the pieces are assigned to the variables in order. If there are more pieces than variables, the remaining @@ -2663,6 +2656,9 @@ They are mutually exclusive. The maximum size of socket buffer usage, in bytes. .It Fl c Ar coredumpsize The maximal size of core dump files, in 512-byte blocks. +Setting +.Ar coredumpsize +to 0 prevents core dump files from being created. .It Fl d Ar datasize The maximal size of the data segment of a process, in kilobytes. .It Fl f Ar filesize _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
