|TRUE(1P)||POSIX Programmer's Manual||TRUE(1P)|
PROLOGThis manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAMEtrue - return true value
DESCRIPTIONThe true utility shall return with exit code zero.
CONSEQUENCES OF ERRORSNone.
The following sections are informative.
APPLICATION USAGEThis utility is typically used in shell scripts, as shown in the EXAMPLES section. The special built-in utility : is sometimes more efficient than true.
EXAMPLESThis command is executed forever:
RATIONALEThe true utility has been retained in this volume of IEEE Std 1003.1-2001, even though the shell special built-in : provides similar functionality, because true is widely used in historical scripts and is less cryptic to novice script readers.
SEE ALSOfalse, Shell Commands
COPYRIGHTPortions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .
|2003||IEEE/The Open Group|