Answer Posted / racks

sar -u

The above command will display the current CPU usage.

# sar

The above command will display the entire day’s CPU usage.

What is unix command?

1263

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Write a command to display a file’s contents in various formats?

1212

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What is the use of finger command?

1215

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What are file commands?

1233

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Who wrote grep?

1066

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What is the difference between grep and grep?

1132

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What do chmod command do?

1222

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What is the difference between cat and more command?

1296

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How do you repeat a command in terminal?

1226

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What does the md command do?

1133

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Which command will print your home directory on screen?

1081

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Explain command to view process running?

1131

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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:

2265

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How does the system know where one command ends and another begins?

2251

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What is command statement?

1175

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