Answer Posted / manoj kumar kar

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What is difference between grep and find command in unix?

575

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What does the command ' $who | sort –logfile > newfile' do?

761

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How can you see the command line history?

580

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How do you grep recursively?

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What is used to type command?

538

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Who command in unix operating system?

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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:

1756

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Which command should you use to find the remaining disk space in unix server?

700

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What is the function of grep command in unix?

580

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What is the unix command to confirm a remote host is alive or not?

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Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

634

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What is the nmap command?

577

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What is the comma to display different lines that are found when compare two files?

591

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What is the first character of the output in ls l command?

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What does grep v grep do?

546

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