/usr/share/fish/man/man1/exec.1 is in fish-common 2.4.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | .TH "exec" 1 "Sun Dec 11 2016" "Version 2.4.0" "fish" \" -*- nroff -*-
.ad l
.nh
.SH NAME
\fBexec\fP -- execute command in current process
.PP
.SS "Synopsis"
.PP
.nf
\fBexec\fP COMMAND [OPTIONS\&.\&.\&.]
.fi
.PP
.SS "Description"
\fCexec\fP replaces the currently running shell with a new command\&. On successful completion, \fCexec\fP never returns\&. \fCexec\fP cannot be used inside a pipeline\&.
.SS "Example"
\fCexec emacs\fP starts up the emacs text editor, and exits \fCfish\fP\&. When emacs exits, the session will terminate\&.
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