Lovely Professional University 2009 B.Tech Computer Science and Engineering MTE, CSE 207: Linux Programming - Question Paper

CSE207: LINUX PROGRAMMING
Time Allowed : 1hr 30 min Max. Marks:50

1. This paper contains five ques. on two pages.
2. ans all ques. in serial order.
3. The marks assigned to every ques. are shown at the end of every ques. in square brackets.


Q.1:(a) Difference ranging from open source and free source software with example. [2]

(b) Configure new user and groups using virtual console. [2]

(c) Difference ranging from echo and printf discuss using example. [2]

(d) discuss Common runlevel values on RHEL and to check current runlevel? [2]

(e) discuss shadow passwords with example. [2]

Q.2: (a)Explain shell and its different kinds . Configure new shwll with prompt having "LPU>" and display message "WELCOME" to all users who are currently login. [5]

(b)Create a directory structure of university management and perform the following:
List all directories in /university/cse

Set the shortcut ofr university directory as uni.

Create the files and append it with a few text using only cat command.

Show the difference ranging from cp and mv.

Set the permission as u=rw, g=rx and o=r.

Shut down the system after 30 min.

change permissions of the user and groups from identical console of the user.

Show the exit status for Directory. [5]

Q.3: (a)Explain the difference ranging from desktop environment and windows manager with example. [5]

(b) Compare the creation of files and directories in CLI and GUI mode. [5]

Q.4: (a) Create a function of Armstrong and check whether a number is armstrong or not by calling this function. [5]

(b) Create a script to check whether a number is palindrome or not. [5]

Q.5: (a)Create a new environment using getenv and putenv functions. [5]

(b) Difference betwen low level I/O and standard library I/O functions. provide suitable example. [5]

Earning:   Approval pending.