String 

USER_DUMP_DEST = {pathname | directory} 

Dynamic. Scope = ALTER SYSTEM. 

Operating system dependent 

Any valid local path, directory, or disk. 

USER_DUMP_DEST specifies the pathname for a directory where the server will write debugging trace files on behalf of a user process.

For example, this directory might be set as follows: 

• On MS-DOS:

• On UNIX:

• On VMS:

C:\ORACLE\UTRC

/oracle/utrc

DISK$UR3:[ORACLE.UTRC] 

• Oracle8i Designing and Tuning for Performance for more information about the use of trace files.

• Your operating system specific Oracle documentation for the range of values.