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Your shell should accept and execute the pipe "|" operator. This will look like the following:
|
The functionality of this operator is to execute command1 and send its output to the pipe. Then execute command2 and use the pipe as input. For this you will need to use the close(), dup() and pipe() functions.
Here is a sample of the execution:
/home/ p r o j e c t s / cs200 / spring12 / shell >cat project2.c | grep include
#includ e
/home/ p r o j e c t s / cs200 / spring12 / shell >
The number of point to point links required in a fully connected network for 50 entities is? The number of point to point links needed in a completely connected network for 50
Node at the highest level in the structure is known as?? Root.
Data hazards - computer architecture : A main effect of pipelining is to alter the relative timing of instructions by overlapping their execution. This introduces contro
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An exchange uses a -40 V battery to drive subscriber lines. A resistance of 250 ohms is placed in series with the battery to protect it from short circuits. The subscribers are req
Constant Voltage Sources An ideal constant voltage source maintains a given voltage across its load regardless of the current drawn from it .Most 'every-day' power supplies a
Q. How to Load DOS from Hard Disk? To Load DOS from the Hard Disk of your computer, follow these steps: 1. Turn on the power ON/OFF switch of the CPU unit of your PC the pow
state and prove distributive law?
What is control word? A control word is a word whose individual bits show the various control signals.
User Compatibility & Appropriateness of Inputs and Outputs User compatibility - this is the degree to which the machine works towards task completion in way that suits the u
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