| sh.1 (279188) | sh.1 (281718) |
|---|---|
| 1.\"- 2.\" Copyright (c) 1991, 1993 3.\" The Regents of the University of California. All rights reserved. 4.\" 5.\" This code is derived from software contributed to Berkeley by 6.\" Kenneth Almquist. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)sh.1 8.6 (Berkeley) 5/4/95 | 1.\"- 2.\" Copyright (c) 1991, 1993 3.\" The Regents of the University of California. All rights reserved. 4.\" 5.\" This code is derived from software contributed to Berkeley by 6.\" Kenneth Almquist. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)sh.1 8.6 (Berkeley) 5/4/95 |
| 33.\" $FreeBSD: head/bin/sh/sh.1 279188 2015-02-22 21:32:57Z jilles $ | 33.\" $FreeBSD: head/bin/sh/sh.1 281718 2015-04-18 23:49:57Z bdrewery $ |
| 34.\" | 34.\" |
| 35.Dd February 22, 2015 | 35.Dd April 18, 2015 |
| 36.Dt SH 1 37.Os 38.Sh NAME 39.Nm sh 40.Nd command interpreter (shell) 41.Sh SYNOPSIS 42.Nm 43.Op Fl /+abCEefhIimnPpTuVvx --- 2525 unchanged lines hidden (view full) --- 2569The 2570.Ar action 2571may be an empty string or a dash 2572.Pq Ql - ; 2573the former causes the specified signal to be ignored 2574and the latter causes the default action to be taken. 2575Omitting the 2576.Ar action | 36.Dt SH 1 37.Os 38.Sh NAME 39.Nm sh 40.Nd command interpreter (shell) 41.Sh SYNOPSIS 42.Nm 43.Op Fl /+abCEefhIimnPpTuVvx --- 2525 unchanged lines hidden (view full) --- 2569The 2570.Ar action 2571may be an empty string or a dash 2572.Pq Ql - ; 2573the former causes the specified signal to be ignored 2574and the latter causes the default action to be taken. 2575Omitting the 2576.Ar action |
| 2577is another way to request the default action, for compatibility reasons this 2578usage is not recommended though. | 2577and using only signal numbers is another way to request the default action. |
| 2579In a subshell or utility environment, 2580the shell resets trapped (but not ignored) signals to the default action. 2581The 2582.Ic trap 2583command has no effect on signals that were ignored on entry to the shell. 2584.Pp 2585Option 2586.Fl l --- 266 unchanged lines hidden --- | 2578In a subshell or utility environment, 2579the shell resets trapped (but not ignored) signals to the default action. 2580The 2581.Ic trap 2582command has no effect on signals that were ignored on entry to the shell. 2583.Pp 2584Option 2585.Fl l --- 266 unchanged lines hidden --- |