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Operating Systems Linux Fedora Which is the better platform to learn UNIX/Linux (Kali Linux Vs. Red Hat or other)? Post 302931204 by mackconsult on Sunday 11th of January 2015 11:52:33 PM
Old 01-12-2015
When I did my software jobs skill class at HP we were using redhat for the class work. It seemed to work really good. Know I have a QNAP TS259 which is running some custom variant of Ubuntu. I use putty to access it and it works quite well.
 

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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)
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