group(F)                        19 June 1992                        group(F)


 Name

    group - format of the group file

 Description

    group contains the following information for each group:

       Group name
       Numerical group ID
       Comma-separated list of all users allowed in the group

    This is an ASCII file.  The fields are separated by colons; each group is
    separated from the next by a newline.  If the password field is null, no
    password is demanded.

    This file resides in directory /etc.  Because of the encrypted passwords,
    it has have general read permission and can be used, for example, to map
    numerical group IDs to names.

 File

    /etc/group

 See also

    newgrp(C), passwd(C), passwd(F)

 Standards conformance

    group is conformant with:

    X/Open Portability Guide, Issue 3, 1989;
    IEEE POSIX Std 1003.1-1990 System Application Program Interface (API) [C
    Language] (ISO/IEC 9945-1);
    and NIST FIPS 151-1.