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Subject Code: 10CSL68 I.A. Marks : 25
Hours/Week : 03 Exam Hours: 03
Total Hours : 42 Exam Marks: 50
List of Experiments for USP: Design, develop, and execute the
following programs
1. Write a C/C++ POSIX compliant program to check the following
(i) No. of clock ticks (ii) Max. no. of child processes
 (iii) Max. path length
(iv) Max. no. of characters in a file name (v) Max. no.
of open files/ process
2. Write a C/C++ POSIX compliant program that prints the POSIX
defined configuration options supported on any given system using
feature test macros.
3. Consider the last 100 bytes as a region. Write a C/C++ program to
check whether the region is locked or not. If the region is locked,
print pid of the process which has locked. If the region is not locked,
lock the region with an exclusive lock, read the last 50 bytes and
unlock the region.
4. Write a C/C++ program which demonstrates interprocess
communication between a reader process and a writer process. Use
mkfifo, open, read, write and close APIs in your program.
5. a) Write a C/C++ program that outputs the contents of its
Environment list
b) Write a C / C++ program to emulate the unix ln command
6. Write a C/C++ program to illustrate the race condition.
7. Write a C/C++ program that creates a zombie and then calls system
to execute the ps command to verify that the process is zombie.
8. Write a C/C++ program to avoid zombie process by forking twice.
9. Write a C/C++ program to implement the system function. 67
10. Write a C/C++ program to set up a real-time clock interval timer
using the alarm API.
List of Experiments for Compiler Design: Design, develop, and
execute the following programs.
11. Write a C program to implement the syntax-directed definition of “if
E then S1” and “if E then S1 else S2”. (Refer Fig. 8.23 in the text
book prescribed for 06CS62 Compiler Design, Alfred V Aho, Ravi
Sethi, and Jeffrey D Ullman: Compilers- Principles, Techniques and
Tools, 2nd Edition, Pearson Education, 2007).
12. Write a yacc program that accepts a regular expression as input and
produce its parse tree as output. 
Note: In the examination each student picks one question from
the lot of all 12 questions. 

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