Linux (Ubuntu) = Unix (NOT IMPORTANT - NO RUSH) Post: 302711307

Sponsored Content

Top Forums UNIX for Dummies Questions & Answers Linux (Ubuntu) = Unix (NOT IMPORTANT - NO RUSH) Post 302711307 by Corona688 on Friday 5th of October 2012 06:14:25 PM

10-05-2012

Registered User

I can't think of anything else like Ubuntu. It's not even like most Linux.

The rest of those questions are too vague to give useful answers to unfortunately.

How the many, many different kinds of UNIX and Linux are alike is the environment they provide to application programmers. The Bourne shell and a clutter of standard utilities to use with it. The open() close() socket() system calls. Standard input and output streams for processes. Device files under /dev/. The standard C library. Filesystems with a root at / and other partitions mounted wherever appropriate instead of drive letters, etc, etc, etc.

How you manage these systems, though, can be very different.

Corona688

View Public Profile for Corona688

Visit Corona688's homepage!

Find all posts by Corona688

4 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Few Important doubts and questions..(Unix/Shell)

Hi All, I have a few questions which I am unable to solve/answer. Please help me with them:- Command in Unix to determine if a Host is connected to the internet ? If a parenet process is killed what happens to the child process? How do I print the first 10 lines of a file in the...

2. Linux

Important Service Linux

Hi there; I need to know all the things about services which help my Linux OS running. So what're important services of LINUX OS ? Anyone can help me... Tks all ?

3. Ubuntu

XP and Linux (Ubuntu) on same disk, Can I install Ubuntu on not-yet partitioned portion of disk?

My PC (Esprimo, 3 yeas old) has one hard drive having 2 partitions C: (80 GB NTFS, XP) and D: (120 GB NTFS, empty) and and a 200 MB area that yet is not-partitioned. I would like to try Ubuntu and to install Ubuntu on the not-partitioned area . The idea is to have the possibility to run...

4. What is on Your Mind?

UNIX: Building The Most Important OS in the World By John Loeffler

Nice UNIX history article by John Loeffler, February, 05th 2019 UNIX: Building The Most Important OS in the World The most widely used operating system in the world was a project born out of failure.

LEARN ABOUT LINUX

geteuid32

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.

       When  a normal program is executed, the effective and real user ID of the process are set to the ID of the user executing the file.  When a
       set ID program is executed the real user ID is set to the calling user and the effective user ID corresponds to the set ID bit on the  file
       being executed.

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().

SEE ALSO

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

COLOPHON

       This  page is part of release 3.27 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								    1993-07-23								 GETUID(2)