Linux Interview Questions and Answers – File Management 1

1. Each process has unique
a) fd table
b) file table
c) inode table
d) data block table
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2. File descriptor table indexes which kernel structure?
a) struct file
b) strruct fs_struct
c) files_struct
d) struct inode
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3. What is the default number of files open per user process?
a) 0
b) 1
c) 2
d) 3
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4. The file system information is stored in
a) Boot block
b) Super Block
c) Inode Table
d) Data Block
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5. Switch table is used by
a) device special file
b) directory file
c) fifo
d) link file
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6. What is the use of fcntl function?
a) locking a file
b) reading the file descriptor flag
c) changing the file status flag
d) all of the mentioned
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7. Which function can be used instead of the dup2 to duplicate the file descriptor?
a) read()
b) open()
c) stat()
d) fcntl()
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8. printf() uses which system call
a) open
b) read
c) write
d) close
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9. read() system call on success returns
a) 0
b) -1
c) number of character
d) none
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10. Which system call is used to create a hard link?
a) hardlink
b) link
c) symlink
d) ln
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11. namei() is
a) ANSI C library function
b) C library function
c) System call
d) kernel routine
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12. dup2(1,0)
a) closes the stdout and copies the stdin descriptor to stdout
b) closes the stdin and copies the stdout descriptor to stdin
c) will produce compilation error
d) None of the mentioned
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