Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

differentiate between named & unnamed pipe.

Answer Posted / sri

Unnamed pipe:
1) These are created by the shell automatically.
2) They exists in the kernel.
3) They can not be accesses by any process, including the
process that creates it.
4) They are opened at the time of creation only.
5) They are unidirectional.

Named Pipe:( also called FIFO, First In FIrst Out)
1) They are created programatically using the command mkfifo.
2) They exists in the file system with a given file name.
3) They can be viewed and accessed by any two un-related
processes. ls cmd shows "p" in the permission bits for a
named pipe.
4) They are not opened while creation.
5) They are Bi-directinoal.

6) A process writing a named pipe blocks until there is a
process that reads that data.
7) Broken pipe error occurs when the writing process closes
the named pipe while another reading process reads it.

Is This Answer Correct ?    173 Yes 21 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the main differences between Apache 1.x and 2.x?

8367


Explain about Inodes?

1066


I am new to Unix and Unix Shell scripting could you guide me on how to go about these subjects and where to start from with concern to Oracle?. I also would like to know where does UNIX shell Scripting help in terms of development of a application in Oracle? I have no clue in the subject so do help me. Thank You Neelima

2684


what is the time for incident, problem and change management tickets?

2879


. Using sed and grep, write a command which lists files and directories with following properties: (i) created in 1999 (ii) with user's as owner and group

2622


Which is the most commonly used replacement algorithm?

1173


Am using Mac OS 10.4.11 on an Imac (PPC) Internal hard disk got named disk0s3 and will not mount. What commands can be used in TERMINAL to rename the internal hard disk to C96?

2558


If Media Server fails. What are the steps to be followed? Can anyone please reply for this question Thanks, Ganesh

2975


what is output mkvg pvname

2136


what is difference between milestone and run-levels in Solaris ?

3027


What are the events done by the Kernel after a process is being swapped out from the main memory?

2553


What is YACC?

1065


win 3.1 is a

1076


why unix commands simpler rather than complex task

4342


What is ant_build.sh? Have u seen that file?

2266