IEEE P1003.0 Draft 13 - September 1991 Copyright (c) 1991 by the Institute of Electrical and Electronics Engineers, Inc. 345 East 47th Street New York, NY 10017, USA All rights reserved as an unpublished work. This is an unapproved and unpublished IEEE Standards Draft, subject to change. The publication, distribution, or copying of this draft, as well as all derivative works based on this draft, is expressly prohibited except as set forth below. Permission is hereby granted for IEEE Standards Committee participants to reproduce this document for purposes of IEEE standardization activities only, and subject to the restrictions contained herein. Permission is hereby also granted for member bodies and technical committees of ISO and IEC to reproduce this document for purposes of developing a national position, subject to the restrictions contained herein. Permission is hereby also granted to the preceding entities to make limited copies of this document in an electronic form only for the stated activities. The following restrictions apply to reproducing or transmitting the document in any form: 1) all copies or portions thereof must identify the document's IEEE project number and draft number, and must be accompanied by this entire notice in a prominent location; 2) no portion of this document may be redistributed in any modified or abridged form without the prior approval of the IEEE Standards Department. Other entities seeking permission to reproduce this document, or any portion thereof, for standardization or other activities, must contact the IEEE Standards Department for the appropriate license. Use of information contained in this unapproved draft is at your own risk. IEEE Standards Department Copyright and Permissions 445 Hoes Lane, P.O. Box 1331 Piscataway, NJ 08855-1331, USA +1 (908) 562-3800 +1 (908) 562-1571 [FAX] P1003.0/D13 GUIDE TO THE POSIX OPEN SYSTEMS - _C_l_a_r_i_f_i_c_a_t_i_o_n _o_f _b_a_s_e _s_t_a_n_d_a_r_d_s _r_e_f_e_r_e_n_c_i_n_g _i_s_s_u_e_s _s_u_c_h _a_s _s_u_b_s_e_t_t_i_n_g _a_n_d _t_h_e _h_a_n_d_l_i_n_g _o_f _o_p_t_i_o_n_s - _E_d_i_t_o_r_i_a_l _i_s_s_u_e_s _s_u_c_h _a_s _g_u_i_d_a_n_c_e _o_n _t_h_e _c_o_r_r_e_c_t _l_e_v_e_l _o_f _d_e_t_a_i_l - _A_d_d_i_t_i_o_n_a_l _g_u_i_d_a_n_c_e _o_n _r_e_f_e_r_e_n_c_i_n_g _b_a_s_e _s_t_a_n_d_a_r_d_s _a_n_d ``_s_t_a_n_d_a_r_d_s _i_n _p_r_o_g_r_e_s_s'' A.3 The Role of POSIX SPs In 6.3.3.5, a classification scheme was given for profiles in which 3 different ``types'' were identified. That scheme is based, essentially, on the scope covered by the profile. Another useful classification scheme, based on scope and on who develops the profiles, is presented in this annex. Figure A-1 shows these classes of profiles and the relationships between them and base standards. _________________________________________________________________________ _________________________________________________________________________ Figure A-1 - Universe of Profiles and Standards Base standards cover a universe of diverse needs. POSIX base standards (e.g., POSIX.1 {2}, P1003.4, ...) cover a narrower set of needs related to ``POSIX.'' In the figure, the POSIX base standards are shown as a Copyright c 1991 IEEE. All rights reserved. This is an unapproved IEEE Standards Draft, subject to change. 274 A Considerations for Developers of POSIX SPs