Q. What should be placed instead of <?> to make the following snippet work properly?
Ans:- fd < 0
Q. Which snippet will you use to delete the file named file?
Ans:- unlink("file");
Q. The 1seek ( fd, 0, SEEK_CUR ) invocation sets the file pointer to:
Ans:- the same place as before invocation
Q. The stat() function:
Ans:- is partially supported in non- Unix operating systems
Q. An EBADF (Bad file descriptor) error may occur during ther invocation:
Ans:- read ( fd, buff, 100) ;
Q. The dprintf() function is designed to:
Ans:- use a file descriptor instead of the FILE* pointer
Q. The so- called EPOCH time is the number of seconds elapsed from 00:00:00 UTC, 1 January:
Ans:- 1970
Q. A descriptor with a value equal to 0 ;
Ans:- is connected to stdin
Q. How many bytes will the following program write to a file, assuming that the code is compiled by a CL compiler and successfully run on MS Windows?
Ans:- five
Q. The st_ino field of the struct stat ;
Ans:- has no meaning in MS Windows
Q. An "endline translation" occurs:
Ans:- when the file is opened with an O_TEXT flag
Q. The readlink() function:
Ans:- gets the name of a file pointed to by the link
Q. To write all the elements of the array declared below. You may use the invocation:
Ans :- write ( fh, vec, sizeof ( vec ) ) ;
Q. To create a link in an MS Windows environment, you may use the function named:
Ans:- CreateSymbolLink()
Q. The O_CREATE flag used by the open() function, has ther following effect:
Ans:- if the file does not exist, it will be created
Q. The low level open() function, when succeeded, returns :
Ans:- an int as a file descriptor
Q. The fileno() function:
Ans:- extracts a file descriptor from the given FILE structure
Q. The close() function:
Ans:- may not succeed
Q. The st_mode field of struct stat in an MS Windows environment determines the state of an " executable" attribute:
Ans:- using the file's name
Q. The fcntl () function:
Ans :- is not able to change ther access mode specified during the open() function invocation
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