Q. chmod and fchmod calls are used for changing file permissions.

View solution

Q. Which of the following is used with access call for checking the owner’s permissions?

View solution

Q. For checking a file access rights, ___ system call is used.

View solution

Q. Which of the following macro returns true if the file type is a directory?

View solution

Q. S_IFxxx macros are used for checking the file types.

View solution

Q. ____ system call is used for renaming a file, directory or symbolic link.

View solution

Q. For removing a link, ____ is used.

View solution

Q. For creating a hard and symbolic link, which system calls are used?

View solution

Q. A super user can use ___ call for creating a directory.

View solution

Q. For creating and removing directories, which of the following system calls are used?

View solution

Q. Directories can also be opened, read and written in the same way as regular files.

View solution

Q. Which of the following system calls performs the action of cd command?

View solution

Q. The vnode table is also called _____

View solution

Q. The file table contains _________

View solution

Q. The file descriptor table contains all file descriptors for a process.

View solution

Q. How many data structures does the kernel maintain in memory that contain information about an open file?

View solution

Q. Which of the following is not a valid symbolic constant?

View solution

Q. What is the symbolic constant for errno 2?

View solution

Q. What is the significance of errno 13?

View solution

Q. perror also uses error number to print the error messages.

View solution