Can we decrease the datafile size in 8.1.7.4

Hello All-
I have created a sample db with table space with datafile size of 2 GB. I may be needing hundreds of mb only.It is eating up the space on unix box server.
Is there any way I can decrease the size of the datafile attached to the tablespace in Oracle 8.1.7.4.
Any help would be appreciated.
Thanks
Vidya R.

Yes you surelly can
SQL> ALTER DATABASE DATAFILE '/u02/oracle/rbdb1/stuff01.dbf'
RESIZE 100M;
Cheers !!
Jagjit

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Please see the link and scripts which is given hereunder.
http://support.microsoft.com/kb/873235
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Method 2 Truncate and Shrink the Log (LDF) File
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2          1245184   1253376       1225    0          128        1999-11-19 09:12:57.743
2           1245184   2498560       1224    0          128     1999-11-19 09:12:23.82
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Text Context of SQL Scripts
ATTACHMDF.sql
sp_attach_db @dbname=N'dsdbase', @filename1=N'c:mssql7datadsdbase_data.mdf'
ATTACH.sql
sp_attach_db @dbname=N'dsdbase', @filename1=N'c:mssql7datadsdbase_data.mdf',
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sp_detach_db dsdbase
MOVE2LOOP.sql
USE DSDBASE
GO
CREATE TABLE VIRTUAL_LOG_FILE_WRAPPER (CHAR1 CHAR(4000))
GO
DECLARE @I INT
SELECT @I = 0
WHILE (1=1)
BEGIN
WHILE (@I < 100)
BEGIN
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SELECT @I = @I + 1
END
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SHRINKLOG.sql
DBCC SHRINKFILE (DSDBASE_LOG, TRUNCATEONLY)
BACKUP LOG DSDBASE WITH TRUNCATE_ONLY
VIEW2LDF.sql
DBCC LOGINFO(DSDBASE)
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