From Adaptive Server 12.5.4 to 15.5 a number of changes to the directory structures occurred.
| Component | 12.5.4 location | 15.0.2 location | 15.0.3 location | 15.5 location | 
|---|---|---|---|---|
| Adaptive Server | $SYBASE/ASE-12_5 | $SYBASE/ASE-15_0 | $SYBASE/ASE-15_0 | $SYBASE/ASE-15_0 | 
| Shared directory | $SYBASE/shared | $SYBASE/shared | $SYBASE/shared | $SYBASE/shared | 
| Sybase Central | $SYBASE/shared/sybcentral43 | $SYBASE/shared/sybcentral43 | $SYBASE/shared/sybcentral600 | $SYBASE/shared/sybcentral600 | 
| JRE | $SYBASE/shared/jre142 | $SYBASE/shared/jre142_* | $SYBASE/shared/JRE-6_0* | $SYBASE/shared/JRE-6_0* | 
| Shared JAR file | $SYBASE/shared/lib | |||
| locales | $SYBASE/locales | $SYBASE/locales | $SYBASE/locales and $SYBASE/ASE-15_0/locales | $SYBASE/locales and $SYBASE/ASE-15_0/locales | 
| Connectivity | $SYBASE/OCS-12_5 | $SYBASE/OCS-15_0 | $SYBASE/OCS-15_0 | $SYBASE/OCS-15_0 | 
| Web Service | $SYBASE/WS-12_5 | $SYBASE/WS-15_0 | $SYBASE/WS-15_0 | $SYBASE/WS-15_0 | 
| Replicator | $SYBASE/RPL-12_5 | $SYBASE/RPL-15_0 | $SYBASE/RPL-15_0 | |
| SySAM | $SYBASE/SYSAM-1_0 | $SYBASE/SYSAM-2_0 | $SYBASE/SYSAM-2_0 | $SYBASE/SYSAM-2_0 | 
| Job Scheduler | $SYBASE/JS-12_5 | $SYBASE/ASE-15_0/jobscheduler | $SYBASE/ASE-15_0/jobscheduler | $SYBASE/ASE-15_0/jobscheduler | 
| Unified Agent | UAF-2_0 | UAF-2_0 | UAF-2_5 |