Unix OR Linux Cert? Post: 2653

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Top Forums UNIX for Beginners Questions & Answers Answers to Frequently Asked Questions New to Unix. Which books should I read? Unix OR Linux Cert? Post 2653 by aliissa on Monday 28th of May 2001 05:04:46 PM

05-28-2001

Registered User

Unix OR Linux Cert?

Hi,

I am an NT MCSE who has decided to abandon the MSCE Win2K path and take the UNIX/Linux Path.

But since I am very new to that field, I am not sure exactly what Certification I should get that would cover the biggest area of that field as possible. Not to mention if I should got with Linux or UNIX? Please keep in mind that I am trying to take Network and System Administration path!

1- Linux, there seems to be one of the following three:
A) CompTIA Linux+ (My favorate as I am already A+ and Network+, but it seems as it is still in the testing stages)
B) Sair Linux and GNU (Seems to be stright forward)
C) RedHat "RHCE"
D) LPI "Linux Professional Institute"

2- For Unix, I am not sure I have covered all resources and that is another reason why I am posting here. But it seems to be few Vendor related UNIX distribution such as Sun Solaris and others. Again, the question is, if I choose Unix, which would be the best that is most General and most wanted in the market.

Thanks for your help

aliissa

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geteuid

GETUID(2)						     Linux Programmer's Manual							 GETUID(2)

NAME

       getuid, geteuid - get user identity

SYNOPSIS

       #include <unistd.h>
       #include <sys/types.h>

       uid_t getuid(void);
       uid_t geteuid(void);

DESCRIPTION

       getuid() returns the real user ID of the calling process.

       geteuid() returns the effective user ID of the calling process.

ERRORS

       These functions are always successful.

CONFORMING TO

       POSIX.1-2001, 4.3BSD.

NOTES

   History
       In UNIX V6 the getuid() call returned (euid << 8) + uid.  UNIX V7 introduced separate calls getuid() and geteuid().

       The  original  Linux  getuid()  and  geteuid()  system  calls supported only 16-bit user IDs.  Subsequently, Linux 2.4 added getuid32() and
       geteuid32(), supporting 32-bit IDs.  The glibc getuid() and geteuid() wrapper functions transparently deal with the variations across  ker-
       nel versions.

SEE ALSO

       getresuid(2), setreuid(2), setuid(2), credentials(7)

COLOPHON

       This  page is part of release 3.53 of the Linux man-pages project.  A description of the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

Linux								    2010-11-22								 GETUID(2)