The iolog variable contains the absolute path specification for the current I/O log file. The default value for this variable is undefined, which does no I/O logging. The iolog file can log standard input, standard output, and standard error information that is associated with the current task request. Any parent directory in the path is automatically created.
iolog = string;
A string that contains the absolute path specification for the current iolog file. The default value is undefined.
iolog = "/var/log/sample.log";