Answer Posted / saheed

rm -rf directoryName with out confirmation

What is awk used for?

1180

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What is the nmap command?

1244

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What does grep v grep do?

1127

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How do I run a bash script?

1241

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What is the use of sed command in unix?

1259

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How can you see the command line history?

1188

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Explain command to view process running?

1178

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Is ‘du’ a command? If so, what is its use?

1206

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How do I open a port?

1145

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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:

2321

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What is the function of grep command in unix?

1234

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Enumerate some of the most commonly used network commands in unix?

1219

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what is the advaantage of each user having its own copy of the shell?

2615

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

1220

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How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1362

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