In Unix (and some other operating systems) a library is a collection of related object files group together. Libraries can be linked with other libraries and other object files to create executables. To use system calls and library functions in a C program we simply call the appropriate C function. Examples of standard library functions we have met include the higher level I/O functions -- fprintf(), malloc() ... Aritmetic operators, random number generators random(), srandom(), lrand48(), drand48() etc. and basic C types to string conversion are memebers of the stdlib.h standard library. Interprocess communication (IPC) is a set of programming interfaces that allow a programmer to coordinate activities among different program processes that can run concurrently in an operating system. This allows a program to handle many user requests at the same time. Since even a single user request may result in multiple processes running in the operating system on the user\'s behalf, the processes need to communicate with each other. The IPC interfaces make this possible. Each IPC method has its own advantages and limitations so it is not unusual for a single program to use all of the IPC methods. In Unix libraries executable code is there where as using Os level IPC different operating system we will execute the program. In Unix same opereting system program will executed and as comparing with other this is easy that why using Unix libraries. X.Org Implementation on X window system is not posssible. X was specifically designed to be used over network connections rather than on an integral or attached display device. X features network transparency, which means an X program running on a computer somewhere on a network (such as the Internet) can display its user interface on an X server running on some other computer on the network. Solution In Unix (and some other operating systems) a library is a collection of related object files group together. Libraries can be linked with other libraries and other object files to create executables. To use system calls and library functions in a C program we simply call the appropriate C function. Examples of standard library functions we have met include the higher level I/O functions -- fprintf(), malloc() ... Aritmetic operators, random number generators random(), srandom(), lrand48(), drand48() etc. and basic C types to string conversion are memebers of the stdlib.h standard library. Interprocess communication (IPC) is a set of programming interfaces that allow a programmer to coordinate activities among different program processes that can run concurrently in an operating system. This allows a program to handle many user requests at the same time. Since even a single user request may result in multiple processes running in the operating system on the user\'s behalf, the processes need to communicate with each other. The IPC interfaces make this possible. Each IPC method has its own advantages and limitations so .

1. In Unix (and some other operating systems) a library is a collection of related object files group
together. Libraries can be linked with other libraries and other object files to create executables.
To use system calls and library functions in a C program we simply call the appropriate C
function.
Examples of standard library functions we have met include the higher level I/O functions --
fprintf(), malloc() ...
Aritmetic operators, random number generators random(), srandom(), lrand48(), drand48() etc.
and basic C types to string conversion are memebers of the stdlib.h standard library.
Interprocess communication (IPC) is a set of programming interfaces that allow a programmer to
coordinate activities among different program processes that can run concurrently in an operating
system.
This allows a program to handle many user requests at the same time. Since even a single user
request may result in multiple processes running in the operating system on the user's behalf, the
processes need to communicate with each other.
The IPC interfaces make this possible. Each IPC method has its own advantages and limitations
so it is not unusual for a single program to use all of the IPC methods.
In Unix libraries executable code is there where as using Os level IPC different operating system
we will execute the program.
In Unix same opereting system program will executed and as comparing with other this is easy
that why using Unix libraries.
X.Org Implementation on X window system is not posssible.
X was specifically designed to be used over network connections rather than on an integral or
attached display device.
X features network transparency, which means an X program running on a computer somewhere
on a network (such as the Internet) can display its user interface on an X server running on some
other computer on the network.
Solution
In Unix (and some other operating systems) a library is a collection of related object files group
together. Libraries can be linked with other libraries and other object files to create executables.
To use system calls and library functions in a C program we simply call the appropriate C
function.
Examples of standard library functions we have met include the higher level I/O functions --
fprintf(), malloc() ...

2. Aritmetic operators, random number generators random(), srandom(), lrand48(), drand48() etc.
and basic C types to string conversion are memebers of the stdlib.h standard library.
Interprocess communication (IPC) is a set of programming interfaces that allow a programmer to
coordinate activities among different program processes that can run concurrently in an operating
system.
This allows a program to handle many user requests at the same time. Since even a single user
request may result in multiple processes running in the operating system on the user's behalf, the
processes need to communicate with each other.
The IPC interfaces make this possible. Each IPC method has its own advantages and limitations
so it is not unusual for a single program to use all of the IPC methods.
In Unix libraries executable code is there where as using Os level IPC different operating system
we will execute the program.
In Unix same opereting system program will executed and as comparing with other this is easy
that why using Unix libraries.
X.Org Implementation on X window system is not posssible.
X was specifically designed to be used over network connections rather than on an integral or
attached display device.
X features network transparency, which means an X program running on a computer somewhere
on a network (such as the Internet) can display its user interface on an X server running on some
other computer on the network.