There are 3 types of Redirection.1)Input Redirection2)Output Redirection and3)Error RedirectionInstead of directing the input/output/error from/to the standard devices, we can direct them to/from a file
Latest Answer: a redirector is the client-side object that forwards I/O requests to remote files,where they are satisfied by a server..they usually run in kernel mode ...
Pipe accepts the output of one command, and feeds it as an input to the next command.eg: ls | wc -lOutput of 'ls' is fed as input to wc-l. Hence wc counts the number of lines in the result of
Latest Answer: piping:- sending the output of a command to the input of another is called piping.some examples are:$cal | wcwill output total line's,word's and character's$cal | wc | wcwill output total line's,word's and character'sA unix pipe provides a one-way flow ...
cd $HOME
Latest Answer: cd ~ ...
Explain about Background and Foreground processes
Latest Answer: Job controlThe C shell handles job control, which allows the user to run certain programs in the background, and recall them to the foreground when necessary. In order to place a running process into the background, the suspend character must be set by ...
Latest Answer: Load -> Puts the CSECT(smallest executable unit) into main memory.Linking is a different cup of tea, this is done to make a module executable.The only way you can draw a relation between is when a dynamic call made then the module is first loaded ...
Latest Answer: Component Object Model, or COM, is a Microsoft platform for software componentry. It is used to enable cross-application communication and dynamic object creation in any programming language that supports the technology. COM is often used in the software ...
Latest Answer: The process of packing one or more items of data into a message buffer, prior to transmitting that message buffer over a communication channel. The packing process not only collects together values which may be stored in non-consecutive memory locations ...
Latest Answer: These are the states of a process. The corresponding symbols will come in STAT column of the output of the ps -aux commandR- runningS-sleepingI-IdleZ-ZombieW-swapped outK-Available kernel ProcessN- Niced(Execution priority lowered)>Execution priority ...
Latest Answer: NTFS--NTFS is a high-performance and self-healing file system proprietary to Windows XP 2000 NT, which supports file-level security, compression and auditing. It also supports large volumes and powerful storage solution such as RAID. FAT system
Latest Answer: In simple terms a Semaphore is a unit or resource which is used for synchrosation between two processes , it is kind of flag (in abstract terms) which every process will check before processing ahead to avoid the deadlock situationAshish ...
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