What does the following command line signify?
prog1|prog2
prog1|prog2A. It runs prog1 first, prog2 second
B. It runs prog2 first, prog1 second
C. It runs both the programs, pipes output of prog1 to input of prog2
D. It runs both the programs, pipes output of prog2 to input of prog1
Answer: Option C
This Question Belongs to C Program >> File Input Output
In C, which library is used for file operations such as reading and writing files?
A. stdio.h
B. iostream.h
C. fileio.h
D. files.h
Which function is used to open a file in C for writing?
A. fopen()
B. open()
C. writefile()
D. createfile()
What does 'FILE' represent in C when working with files?
A. A built-in data type for files
B. A file descriptor
C. A file pointer
D. A file structure
How do you check if a file was opened successfully in C?
A. Use the 'filestatus' variable
B. Check the return value of fopen()
C. Use the 'fileopen' function
D. Check the file's size
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