Official manual: * [TACL](https://h20565.www2.hpe.com/hpsc/doc/public/display?sp4ts.oid=4201311&docLocale=en_US&docId=emr_na-c04577061) * Especially see the "Metacharacters" section * [FUP](https://h20565.www2.hpe.com/hpsc/doc/public/display?sp4ts.oid=4201311&docLocale=en_US&docId=emr_na-c02141501) . . . . . . Wikipedia: * https://en.wikipedia.org/wiki/TACL * https://en.wikipedia.org/wiki/NonStop_(server_computers) * https://en.wikipedia.org/wiki/NonStop_OS http://goanand.com/tandem/Tandem_Commands%20v0.17.pdf http://www.hpe.com/info/nonstop-docs See Barbara https://www.hpe.com/us/en/servers/nonstop.html Glossary: * NonStop — The computer and the OS * TACL — The shell