Answer Posted / linuxdemon

2> filename

eg: dat 2> errfilename

What is unix command?

691

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What is grep r?

683

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What is the significance of the 'tee' command?

674

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

715

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Describe the zip/unzip command using gzip.

710

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Why is shebang used?

687

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Why is it called a shebang?

680

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How do I search for a file in unix command?

636

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What is sed awk grep?

688

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How do I open a port?

666

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Which command should you use to find the remaining disk space in unix server?

834

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What are the general commands in using unix os for a beginner?

683

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What is updatedb?

680

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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:

1851

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What is the size of time_t?

763

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