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UNIX for Dummies Questions & Answers
Extract the same lines from the two files
Post 302919625 by yuejian on Thursday 2nd of October 2014 04:05:01 PM
10-02-2014
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Greetings.
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LEARN ABOUT HPUX
setresgid
setresuid(2) System Calls Manual setresuid(2) NAME
setresuid, setresgid - set real, effective, and saved user and group IDs SYNOPSIS
DESCRIPTION
sets the real, effective and/or saved user ID of the calling process. If the current real, effective or saved user ID is equal to that of a user having appropriate privileges, sets the real, effective and saved user IDs to ruid, euid, and suid, respectively. Otherwise, only sets the real, effective, and saved user IDs if ruid, euid, and suid each match at least one of the current real, effective, or saved user IDs. If ruid, euid, or suid is leaves the current real, effective or saved user ID unchanged. sets the real, effective and/or saved group ID of the calling process. If the current real, effective or saved user ID is equal to that of a user having appropriate privileges, sets the real, effective, and saved group ID to rgid, egid, and sgid, respectively. Otherwise, only sets the real, effective and saved group ID if rgid, egid, and sgid each match at least one of the current real, effective or saved group ID. If rgid, egid, or sgid is leaves the current real, effective or saved group ID unchanged. Security Restrictions Some or all of the actions associated with this system call require the privilege (CHSUBJIDENT). Processes owned by the superuser will have this privilege. Processes owned by other users may have this privilege, depending on system configuration. See privileges(5) for more information about privileged access on systems that support fine-grained privileges. RETURN VALUE
Upon successful completion, and return 0; otherwise, they return -1 and set to indicate the error. ERRORS
and fail if any of the following conditions are encountered: ruid, euid, or suid (rgid, egid, or sgid) is not a valid user (group) ID. None of the conditions above are met. AUTHOR
and were developed by HP. SEE ALSO
exec(2), getuid(2), setuid(2), privileges(5). setresuid(2)