Answer Posted / anup kumar

uname -for getting name of unix os
uname -r -for geetting version

What is the use of egrep command in unix?

1241

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What is the difference between grep and grep?

1185

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Who wrote grep?

1109

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Who command in unix?

1190

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What are bash commands?

1225

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Does cp command overwrite files?

1266

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What do chmod command do?

1285

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What is awk command used for?

1327

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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:

2317

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What is nr in awk command?

1274

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Explain ‘library functions’ with respect to unix commands?

1214

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What are the differences among a system call, a library function, and a unix command?

1269

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Explain ‘system calls’ with respect to unix commands?

1150

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Describe the usage and functionality of the command rm –r * in unix?

2178

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Can you enlist some commonly used network commands?

1154

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