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

Find the boolean expression for the logic circuit, Find the boolean express...

Find the boolean expression for the logic circuit shown below. Ans. Output of Gate-1 (NAND) = (AB)' Output of Gate-2 (NOR) = (A'+B)' Output of Gate-3 (NOR) = [(AB)' + (

Electrically erasable programmable rom - computer memory, Explain Electrica...

Explain Electrically Erasable Programmable ROM - Computer Memory? The next level of erasability is the EEPROM which able to be erased under software control. This is the most f

Explain dial tone and ringing tone in strowger telephony, Explain Dial Tone...

Explain Dial Tone and Ringing Tone in strowger telephony. Dial Tone: it is used to indicate that the exchange is ready to recognize dialed digits by the subscriber. The subsc

How read and write is performed using sockets, How read and write is perfor...

How read and write is performed using sockets? An application program interface gives the details of how can an application program interacts along with protocol software. But

What is path testing, Explain path testing.   Path Testing: Testing in ...

Explain path testing.   Path Testing: Testing in which all paths in the program source code are tested at least once. Path testing has been one of the first test methods, and e

Define the aims of program generation activity, Program generation activity...

Program generation activity aims at? Ans. At automatic generation of program the program generation activity aims.

What a hardware uses to calculates cyclic redundancy check, Hardware that c...

Hardware that calculates CRC (Cyclic Redundancy Check) uses: Hardware which computes CRC utilizes shift register and Xor unit.

Advantages on electronic payment system, Advantages on electronic payment s...

Advantages on electronic payment system It gives good security schemes.  Four necessary security requirements for safe e-payments are Authentication, Encryption, Integrity,

Draw the circuit diagram of a Master-Slave J-K flip-flop, Draw the circuit ...

Draw the circuit diagram of a Master-slave J-K flip-flop using NAND gates. What is race around condition? How is it eliminated in a Master-slave J-K flip-flop? Ans. Using NA

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