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.IX Title "ops 3perl"
.TH ops 3perl "2021-09-24" "perl v5.32.1" "Perl Programmers Reference Guide"
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.SH "NAME"
ops \- Perl pragma to restrict unsafe operations when compiling
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&  perl \-Mops=:default ...    # only allow reasonably safe operations
\&
\&  perl \-M\-ops=system ...     # disable the \*(Aqsystem\*(Aq opcode
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Since the \f(CW\*(C`ops\*(C'\fR pragma currently has an irreversible global effect, it is
only of significant practical use with the \f(CW\*(C`\-M\*(C'\fR option on the command line.
.PP
See the Opcode module for information about opcodes, optags, opmasks
and important information about safety.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Opcode, Safe, perlrun