Answer Posted / shakti

unix o.s provide more security than other o.s because it
work on command basic and it have many security features
than other o.s like windows.it mainly work on client server
basis.

What is the use of awk command in unix?

1068

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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:

2202

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What does the metacharacter mean?

1087

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

1155

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What is the nmap command?

1121

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What is {} in find command?

1050

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What is the use of finger command?

1138

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What is s and g in sed command?

1058

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Which command will print your home directory on screen?

1031

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Which command is used to delete all files in the current directory and all its sub-directories?

1208

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What is sed awk grep?

1072

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Using unix command how to display no of records in oracle?

1111

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What is difference between grep and find command in unix?

1142

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What is unix command?

1202

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What are grep patterns?

1019

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