# EFS Option

> [HTML Version](efsoption.htm)

_Reviewed August 2016_

Following are the various EFS\_xxx options that may be used in conjunction with A-Shell's encrypted file system. 

| **Options** | **Description** |
|------|------|
| EFS\_OUT\_AMOS | This causes any output file (sequential) which is created using an DevPPN-style name to be automatically encrypted. (e.g. OPEN #1, "REPORT.PRT", OUTPUT) |
| EFS\_OUT\_HOST | This causes any output file (sequential) which is created using a Unix-style name to be automatically encrypted. (e.g. OPEN #1, "/tmp/report.prt", OUTPUT) |
| EFS\_ALLOCATE | This causes the ALLOCATE function (to create a contiguous file) to automatically encrypt it. |
| EFS\_ALCINDEX | This causes the ISAM-A ALLOCATE'INDEXED command (to create a new ISAM-A file) to automatically encrypt it. |