• UNIX

    Unix (all-caps UNIX for the trademark) is a multitasking, multiuser computer operating system that exists in many variants. The original Unix was developed at AT&T's Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

  • MAC OSX is UNIX

    Even Mac OSX is developed is a series of Unix-based graphical interface operating systems developed and marketed by Apple Inc.

  • LINUX / UNIX

    Linux invented by Linus Torwalds , a finnish student as a project, which has grown to vast area of development where thousands of developers are been working upgrading the LINUX

5.31.2013

Network Commands

1:59 AM 0


• ssh – SSH client (remote login program)                                    :

“ssh is a program for logging into a remote machine and for        
   executing commands on a remote machine”
Usage: ssh [options] [user]@hostname 
eg. ssh ­X guest@10.105.11.20        

                         
• scp – secure copy (remote file copy program) :
                          
“scp copies files between hosts on a network”
Usage: scp [options] [[user]@host1:file1] [[user]@host2:file2]
eg. scp file1.txt guest@10.105.11.20:~/Desktop/

What does Linux mean?

1:51 AM 0

Linux is a free and open source Unix-like computer operating system originally developed for Intel x86-based personal computers by Linus Torvalds. The name Linux is used in many ways ie as a kernel, as an operating system as GNU/Linux (because so many of the Linux programs and commands come from the GNU project), the term Linux is also used for a Linux distribution. During the development Linux Torvalds stored the files to the FTP server (ftp.funet.fi) of Finnish University and Research Network (FUNET) under the name “Freax” ( a portmanteau of “freak”, “free”, and “x” for UniX). One of the administrators for the FTP server at the time, did not think that “Freax” was a good name. So, he renamed the project name to “Linux” (as a a portmanteau of Linus Torvalds and Unix) on the server.
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