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What is meant by opening a data file
A data file is a file that can be read from or written to. Data files are particularly useful when large amounts of data are involved. Each line of a data file is called a record. The following is the first few records of the file ospots.dat (a file containing the total number of sunspots observed in a year during the years 1850-1975):
1850 66.6
1851 64.5
1852 54.1
1853 39.0
1854 20.6
To read from or write to a data file during the execution of a program, the file must first be opened with the function "fopen". This function takes two arguments - the first one is the path to your file, including the filename. So if your file sits in the same directory as your C source file, you can simply enter the filename in here . The second argument is another char *, and determines how the file is opened by your program. Finally, fopen returns a FILE pointer if the file was opened successfully, else it returns NULL.
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 i
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how to connect a home network
Offset Litho Duplicating Equipment Required Duplicator Plate-making equipment (not always, essential), e.g. printing box and processing unit Plates Paper Ink
Which scheduler selects processes from secondary storage device? Ans. Medium term scheduler selects processes from secondary storage device.
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