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Linux
A free and open-source family of operating systems first started in 1991 and named after its creator, Linus Torvalds.
2,239 Questions
What is the yum meanning in red hat?
yum means - YELLOWDOG UPDATER MODIFIER.
It is a software package manager that install, removes and update packages on RPM based system.
the advantage of using yum is - During installation of Packages, it also installs the dependent packages needed with them.
Other are :-
- Support for multiple repositories
- Simple configuration
- Dependency calculation
- Fast operation
- RPM-consistent behavior
- Package group support, including multiple-repository groups
- Simple interface
Write a shell script to check whether the given input is prime or not?
echo "input any number:"
read no
no=`expr $no`
i=`expr 2`
while [ $i -lt $no ]
do
if [ `expr $no % $i` -eq 0];
then
echo "$no is not a prime no.."
break 2
fi
i=`expr $i +1`
done
if [ $i -eq $no ];
then
echo "$no is a PRIME no..."
fi
-20
Which Linux command can be used to create and reset password for a user?
$ passwd to change your own password:
Log in as root to change the password for a user named fred:
# passwd fred
Commands to add a new user and then set a password for a user named fred:
# adduser fred
# passwd fred
What is multimedia used for in Linux?
Multimedia has the same purpose in Linux as it does in Windows or Mac OS X. Multimedia is commonly used for entertainment, but also for educational / instructional purposes.
What are the advantages and disadvantages of Xenix?
There are no advantages or disadvantages to Xenix, since it has no practical application for use in today's world. Like CP/M or System 1 on the Macintosh, Xenix cannot even be compared properly to modern systems.
What should you consider before developing a public presentation?
Who is the audience?What does the audience want to know?What is the best way to provide the audience with the information they want?
How will systems receive IP addresses on Linux?
The same as any other platform - dynamic assignment via DHCP, or statically assigned.
How Linux changed the world in 20 years from 1983?
That would be pretty hard considering Linux didn't even exist until 1991.
Is Mac OSX is a distribution of Linux?
OS X was forked from the FreeBSD 2.x/3.x branch. with kernel mods and the quartz userland. the various OS X releases have corresponding FreeBSD releases. it uses the FreeBSD mach microkernel with os9 compatibility. Darwin is the development builds of OS X versions. the FreeBSD guys backport OS X tech into their OS. OS X is opensource aside from the quartz userland. OS X also includes kernel components from the NeXT step operating system.
Where do you execute command on Linux?
From the terminal
to access the terminal go to system tools or type terminal in the search field.
How do you open applications in Linux?
From the command shell, programs can be launched just by typing their name, as long as they are in your "path", or one of the directories you are allowed to launh applications from, such as /usr/bin or /usr/local/bin.
Desktop environments have their own ways of launching applications, usuall from an application menu.
What is the difference between a job and a process?
a system lets use A Operating system as a sample. a operating system is the system you'r running on your Computer.
i coul'd be Windows Xp, Windows Vista, Windows 7, Linux, Mac etc.
a process is something your comupter is working on. lets use internet explorer or the internet as a sample. when you are going to a web site you see a line on the button on the screen it is normal blue, but it can be other coloras to. the blue line is cal'd the "ProgsessBar" and is showing how much your computer has loaded of this site and how much is left.
so the difference between system and a process is BIG
Difference between perl scripting and shell scripting?
Perl is a scripting language. It is not, however, a shell scripting language because Perl is not a shell program. A shell program is one that usually interacts with a user and provides certain user interface abilities. Perl was not designed for that purpose.
You can certainly program a shell to operate in various fashions. A shell script is usually provided for redundant tasks and series of commands, unattended operation, and so forth.
Perl is a "kitchen sink" of ways to interact with data, databases, networks, and so forth. It is a great language for manipulating text in various ways.
What is the purpose of the setuid bit on a Linux file?
setuid is a unix access rights flag that allow users to run an executable file with the permissions of the executable's owner and to change behavior in directories. These (setuid and setgid) are often used to allow users on a computer to run programs with temporarily elevated privileges in order to perform specific tasks.
What is the purpose of Ubuntu in Linux?
Ubuntu is a Linux distribution (as in a specific OS setup with the Linux kernel.)
If you change your U3 ISO to a Linux ISO can you boot from the ISO?
Yes, you can. You have to use MagicISO on windows to *EDIT* the U3 ISO and not REPLACE it.
You can find instructions here:
http://wiki.hak5.org/wiki/Talk:Memorex_U3_ISO_Hack
Good Luck!
What is basic difference between Linux 4 and Linux 9?
== == There is no Linux 9 yet. In fact, there is no Linux 3 yet. Linux is still at major version 2.
If you meant to ask about the differencences between R-HEL 4 an R-HEL 9, please ask the question again.
What most people commonly refer to as "Linux" is actually the kernel or operating system for GNU/Linux. The operating system by itself provides amongst other things a (software) platform for programs to execute on. The reason for the "GNU" prefix relates the the utilities that form part of the user's view of the operating system. These utilites allow the creation of directories, the editing of files, deleting files, etc. These utilities are not distributed in a bundled form with the Linux kernel. The Linux kernel itself is distributed under a special license known as the GNU Public Licence (GPL) which allows people to distribute is legally, and to obtain it freely. Freely here does not refer to price, however. Many software vendors have started creating tools and bundled packages which include the Linux kernel. These vendors, such as Red Hat, or Mandrake, or SuSe, will then give their particular release a version number, such as Red Hat Linux 4, or Mandrake Linux 10.1. The difference mainly includes updated utilities, and an updated (newer) version of the Kernel itself. It is important to realise, however, that there is really no such thing as Linux 4, or Linux 9. One may see something along the Lines of Linux 2.4.26 or Linux 2.6, which is referring to the version or release of the Linux Kernel.
What are the tree major areas in which the operating system divided services?
user interface
memory management
security
How do you install Linux in VMWare?
Simply put, download a free version of VMware Server or opt to buy a paid version of VMware Workstation, either of which supports most popular flavors of Linux distributions. For a complete list of supported Linux distributions, please consult this VMware Guest OS Installation Guide"http://www.vmware.com/pdf/GuestOS_guide.pdf".
Hope this resolve your question.
Bruce
