Answer Posted / farishta

multi - programming : multiple programs can be run on the
same system
muti tasking : an logical extension of multi pprogramming
to perform multiple task at a same time or at different time

multi user : multiple users can work on time time or
different time
multi processing : multiple jobs by several cpus
timesharing : different tasks can share different rsources

How do I search for a file in unix command?

539

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What is the difference between grep and grep?

560

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Which unix command lists files/folders in alphabetical order?

608

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Which command is used to restrict incoming messages?

582

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When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

1749

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What command is used to switching between users in unix?

556

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Enumerate some of the most commonly used network commands in unix?

610

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What is the functionality of a top command?

615

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How do I use grep to search for a file?

576

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What is the use of sed command in unix?

584

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What is unix command line?

598

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Describe the zip/unzip command using gzip.

602

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Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?

947

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How can we use grep command in unix?

606

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Explain how to use grep command to list find the records of a file containing 10 different strings?

585

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