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Fall
2015 ASSIGNMENT
PROGRAM
MCA (REVISED FALL 2012)
SEMESTER
THIRD
SUBJECT
CODE & NAME MCA3030-LINUX OS
CREDIT 2 BK ID B1563 MAX.
MARKS 30
Q1.
Draw and explain different layers of Linux Operating System.
Answer:
Developers
need compliers, command lines and other special tools to write codes and
develop applications that can interact with the kernel. They also need tools
and applications that allow the outside applications to access the kernel. This
set of tools and applications, combined with a kernel forms the operating
Q2.
Describe about Run levels. Explain different run levels. 3+7 10
Answer:
Runlevels
Runlevels come
into picture when a user wants to run some or all installed services. Runlevels
are used to define
Q3.
Describe the following: 5, 5
a)
File encryption
b)
Email encryption
Answer: File encryption –Files can be encrypted using the
following two approaches:
·
EncFS
– ncFS
is an encrypted pass-through filesystem implemented in user-space. It performs
encryption on a file-by-file basis and is modeled after CFS - the original
Cryptographic Filesystem introduced by Matt Blaze, published in 1993. No
special permissions
Get fully solved assignment. Buy online from website
online store
or
plz drop a mail with your sub code
we will revert you within 2-3 hour or immediate
Charges rs
125/subject and rs 625/semester only.
if urgent then call us on 08791490301, 08273413412
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