Calculation monitoring is traditionally achieved by: 1) checking the status of the job using the relevant queuing manager, for example with the squeue command; and 2) checking the final lines of the calculation engine log file, for example using the less or tail commands. Digichem provides an alternative that does not depend on external tools, and is more convenient for novice users, by means of the Flags sub-directory. Within this folder are a number of text files with distinctive names.