unix, Computer Engineering

Assignment Help:
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in or not. The login name should be supplied to the shell script at the command prompt. Use the until loop.

Related Discussions:- unix

Describe briefly how firewalls prevent network, Describe briefly how firewa...

Describe briefly how firewalls prevent network. A firewall is only a program or hardware device which filters the information coming via the Internet connection within your pr

Explain the scan code, What is meant by scan code?  When a key is press...

What is meant by scan code?  When a key is pressed on the keyboard, the keyboard controller places a code take to the key pressed into a part of the memory known as the keyboar

Webforms application and to an mvc application, What is the difference amon...

What is the difference among adding routes, to a webforms application and to an mvc application? Ans) To add routes to a webforms application, we use MapPageRoute() process of

What is the draw back of micro programmed control, What is the draw back of...

What is the draw back of micro programmed control? It leads to a slower operating speed because of the time it takes to fetch microinstructions from the control store.

Describe the instruction set architecture, Q. Describe the instruction set ...

Q. Describe the instruction set architecture? The significant role of the Central Processing Unit (CPU) is to perform calculations, to coordinate all other hardware components,

What are advantages and drawbacks of latches, What are advantages and drawb...

What are advantages and drawbacks of latches? Advantages and drawbacks of latches: Area of a latch is classically less than a Flip Flop. It consumes less power, becaus

Dynamic partitioning - computer architecture, Dynamic partitioning: To...

Dynamic partitioning: To rise above from difficulties with fixed partitioning, partitioning can be done dynamically, which called dynamic partitioning. Having it, the primary

Determine Boolean identities using Boolean algebra, Prove the following ide...

Prove the following identities   a. A ‾B ‾C‾ + A ‾BC ‾ + AB ‾C ‾ + ABC ‾ = C ‾ b. AB + ABC + A ‾ B + AB ‾C = B + AC Ans. a. LHS = A'B'C' + A'BC' + AB'C' + ABC' =

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd