Answer Posted / chakri

generally,take an example double quotes (") we used in
print the data.and single quote we used for(') for

What is the use of the command 'ls -x chapter[1-5]' ?

663

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How do you repeat a command in terminal?

591

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Explain mount and unmount command.

615

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Differentiate cat command from more command.

578

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What is the use of finger command?

599

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Is grep faster than awk?

560

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How do I run a whois command?

603

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Can you explain a little bit about command substitution?

610

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Explain ‘system calls’ with respect to unix commands?

603

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What is the use of the tee command?

599

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What is the use of tee command?

571

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

593

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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:

1763

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How can you see the command line history?

586

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What is unix command line?

609

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