MPE/iX Shell and Utilities Reference Manual, Vol 1

command(1) MPE/iX Shell and Utilities command(1)

ENVIRONMENT VARIABLES

command uses the following environment variable:

PATH

contains a list of directories for command to use when searching for command-name

except as described under the –p option.

DIAGNOSTICS

If you speciﬁed –v, possible exit status values are:

0 Successful completion.

1 command was unable to ﬁnd command-name or an error occurred.

2 Failure due to invalid command line argument.

If you did not specify –v, possible exit status values are:

126 command found command-name, but failed to invoke it.

127 An error occurred in the command utility or it was unable to ﬁnd command-name.

Otherwise, the exit status of command is the exit status of command-name.

Messages

Message: command-name: not found

Cause: You speciﬁed a command-name that command was unable to ﬁnd.

Action: Check that the command-name exists, was spelled properly, and that you have

the appropriate permissions.

Message: Unknown option "–option"

Cause: You speciﬁed an option that is not valid for command.

Action: Check the DESCRIPTION section of this man page for a list of valid command

options.

PORTABILITY

POSIX.2. x/OPEN Portability Guide 4.0.

MPE/iX NOTES

For information on how the current MPE/iX implementation may affect the operation of this

utility, see Appendix A, MPE/iX Implementation Considerations.