Answer Posted / pradeep

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//write your query

What is ‘ps’ command for?

844

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What is nr in awk command?

788

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Which command is used to copy files?

812

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What is the difference between grep and grep?

797

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What is s and g in sed command?

793

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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:

1971

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How do I find previous commands in unix?

813

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What does 'mkdir' command do in UNIX?

907

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What are file commands?

863

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What is the use of the tee command?

806

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why metadb requires a seperate slice to create Solaris volume manager

2779

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Explain ‘library functions’ with respect to unix commands?

817

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Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1012

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Who command in unix operating system?

856

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Why is awk called awk?

769

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