# ISAM-A vs. ISAM

> [HTML Version](isam-avs_isam.htm)

The following topics may be of interest to developers considering migration from ISAM (aka ISAM 1.x) to ISAM-A (aka ISAM 2.0).

**Subtopics**

- [ISAM-A Pros and Cons](isam-aprosandcons.htm.md)

- [Locking](locking.htm.md)

- [File Structure](filestructure.htm.md)

- [File Access Statement Ambiguity](fileaccessstatementsyntax.htm.md)

- [File Administration Utilities](fileadministrationutilities.htm.md)

- [Converting Files to ISAM-A](convertingfilestoisam-a.htm.md)

- [Converting Programs to ISAM-A](convertingprogramstoisam-a.htm.md)