SVECW-III-IT-B UNIX PROGRAMMING

Assignment-3(UNIT-3)

 Submit on or before 1/2/2017

SET-1 (1261-1280)

1. Discuss in detail about various directory handling system calls.

2. Distinguish between stat and fstat system calls.

3. Explain getchar and putchar system calls.

SET-2 (1281-12A0)

1. Explain the following system calls.

a) symlink b)unlink c)chown d)octal

2. Give brief description about the low level file I/O.

3. Describe the formatted input and output functions.

SET-3 (12A1-12C0,47)

1. Explain the importance of dup command in UNIX and also explain the various forms of it with suitable example.

2. Explain the following system calls

a) fflush b)fgetc c)getc d)getchar

3. Write about system calls, library functions and low level file access functions with examples.