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What is the purpose of the Open system call in file manipulation?
What is the purpose of the Open system call in file manipulation?
- To close an open file descriptor
- To append new information to the beginning of the file
- To create a new empty file
- To open a file for reading, writing, or both (correct)
What is the flag used to open a file for writing only?
What is the flag used to open a file for writing only?
- O_RDONLY
- O_WRONLY (correct)
- O_RDWR
- O_APPEND
What is the purpose of the Close system call in file manipulation?
What is the purpose of the Close system call in file manipulation?
- To close an open file descriptor (correct)
- To open a file for reading
- To append new information to the end of the file
- To create a new empty file
What is the flag used to create a new file if it does not exist?
What is the flag used to create a new file if it does not exist?
What is the flag used to initially clear all data from a file?
What is the flag used to initially clear all data from a file?
What is the mode used to open a file for reading and writing?
What is the mode used to open a file for reading and writing?
What is the purpose of the O_EXCL flag when combined with O_CREAT?
What is the purpose of the O_EXCL flag when combined with O_CREAT?
What is the flag used to append new information to the end of a file?
What is the flag used to append new information to the end of a file?
What system call is used to open a file in C?
What system call is used to open a file in C?
Which header file is required to include for using the open system call?
Which header file is required to include for using the open system call?
What flag should be used with the open system call to create a new file if it does not exist?
What flag should be used with the open system call to create a new file if it does not exist?
What is the correct way to handle an error in opening a file?
What is the correct way to handle an error in opening a file?
What does the write system call return upon successful execution?
What does the write system call return upon successful execution?
What argument does the write system call NOT take?
What argument does the write system call NOT take?
Which system call is used to close an open file descriptor?
Which system call is used to close an open file descriptor?
Which function must be used to avoid buffer overflow while writing a string to a file?
Which function must be used to avoid buffer overflow while writing a string to a file?
Which system call is used to open a file in the C programming language?
Which system call is used to open a file in the C programming language?
What is the purpose of the write() system call?
What is the purpose of the write() system call?
Which header file is required to use the open() system call in a C program?
Which header file is required to use the open() system call in a C program?
How are file permissions for the owner, group, and others specified in the chmod function?
How are file permissions for the owner, group, and others specified in the chmod function?
What happens when the close() system call is invoked?
What happens when the close() system call is invoked?
In the context of the chmod function, what does S_IWUSR represent?
In the context of the chmod function, what does S_IWUSR represent?
What is the correct function definition for the write() system call?
What is the correct function definition for the write() system call?
Which system call would be used to modify the owner and group of a file?
Which system call would be used to modify the owner and group of a file?
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