Answer Posted / vikas gupta

cat sourcefile>>destinationfile|head -1

What is the difference between cat and more command?

1302

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What does the md command do?

1146

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Can you enlist some commonly used network commands?

1121

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What is grep command in unix with examples?

1223

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Name the general commands in using unix os for a beginner?

1168

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

1165

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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:

2272

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What do chmod, chown, chgrp commands do?

1291

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How to display no of records in oracle using unix command?

1174

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What is merge command in unix?

1514

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What is the command to compare two files in unix?

1127

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What is the nmap command?

1192

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What is a bash command?

1181

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Which command is used to restrict incoming messages?

1110

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What do chown command do?

1193

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