Answer Posted / kamalnath

A Virtual Machine is a software installed on another operating system which runs a operating system inside it.
Mainly used for sandbox testing.
VMware and microsoft virtual pc

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1449

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What is the use of cut command in unix?

1426

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

1246

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What does pipe () return?

1127

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What is used to type command?

1100

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

1202

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How do I run a bash script?

1238

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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 the difference between grep and grep?

1185

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What do chmod command do?

1285

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What is sed awk grep?

1185

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What is grep short for?

1098

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What is the size of time_t?

1270

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Are you in or at the office?

1171

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Explain the steps that a shell follows while processing a command.

1284

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