With untarV1_11, you can extract files from a file *.tar

Even better: UNTAR  IS PUBLIC DOMAIN !

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                13596   28272  48.1% -lh5- 618b Jan 23  2000 Untar
[generic]                 2857    6960  41.0% -lh5- 3f6d Jan 23  2000 UntarV1_11.Guide
[generic]                  304     850  35.8% -lh5- 9407 Jan 23  2000 UntarV1_11.guide.info
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         3 files   16757   36082  46.4%            Mar 14  2001