Answer Posted / manoj kumar

kernel runs on actual machine hardware ann manages all
interaction with the hardware.

How can you see the command line history?

1136

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Which command will print your home directory on screen?

1078

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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 to display no of records in oracle using unix command?

1168

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Which command is used to copy files?

1171

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What does the command '$ls | wc –l > file1' do?

1227

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Explain command to display different lines that are found when compare two files?

1176

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What is a bash command?

1174

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What are filter commands in unix?

1189

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Can you explain a little bit about command substitution?

1112

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What will the following command do?

1117

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What are reported commands?

1125

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Give the command for finding the current date.

1104

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

1162

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How do you repeat a command in terminal?

1223

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