Unix

The Korn shell is a command interpretor that combines the syntax and abilities of the csh shell and the sh (Bourne) shell. It was designed by David Korn of Bell Labs.

The UNIX trademark is owned by The Open Group.

A dirty page is one that has been modified and does not exist in its current state in the paging file, so it has to be written out to replace the page in the disk.

The usual indication of running as the administrator in Unix is show a prompt that contains the '#' character as either the prompt or part of the prompt.

It depends on whether the program responds to a hangup signal or not. If you start the program with a 'nohup' command then it will continue to execute.

To protect what's in the shell

Yes. There are versions of MySQL for most Unix products, including Mac OS X, as well as Linux and Windows.

Hi, You can try one of the following commands: 1) tar 2) cpio 3) dd Do a "man" of the command to get the usage syntax and options from the online man pages (e.g. "man tar") Hope this helps. - Ramki.

It is a very complex relationship that cannot be shared with the un-initiated. You must first learn to do search and replaces on arbitrary line ranges on files being edited within 'vi' before such secrets are shared.

The pipe symbol is a vertical bar (|), not a forward slash.

Something what the computer executes.

A spool.

Chillax

Linux.

AIX is a mature, stable, secure version of Unix that is backed by and supported by a large organization (IBM).

It runs on entry level servers all the way up to enterprise scalable processors. The advantages of AIX over other versions of Unix is somewhat debatable, depending on whom you talk to.

Yes. Some versions of Unix are capable of running on the same hardware as Windows. Mac OS X, a certified version of UNIX, includes a utility known as "Boot camp" to install Windows in a dual-boot setup easily. Solaris 10 can also be used in a dual-boot setup by carefully partitioning the drive and setting up GRUB.

Use the 'uname -a' command. It reports on the Unix system, version, machine name, amongst other things.

Definitely not. Unix was developed around 1969 - 1972, and Operating Systems have been available since the very late 1940's, early 50's.

ls-lS | tail-1

White flour is made only with the endosperm portion of the wheat kernel. Farina is also made from the endosperm, but it is ground to produce a granular product.

a=10;

b=20;

c=`expr $a + $b`;

printf "$c";

I don't believe there is a PS system call; however, there is a 'ps' command that is commonly used to show all (or a select few) processes running on the system and their resource utilization.

It is also used so that users can terminate disconnected processes when they don't want them to run anymore.

Line Movement.

We are not sure what you mean by "shearing", it is men that "shear" sheep in timed competitions, not operating systems.

It is never a good idea to log in to the system as root, unless it must fixed in administrative mode. The disadvantage is that you have to be very careful because you are operating at the root account level, which lets you do anything you want without checking for safety.

The only advantage is that you are running under a privileged program and can anything you want on the system.