Answer Posted / nirav

PIPE- "|" :- **. It is an IPC(Inter Process Communication).
*. It means that the out put of the first command is the
Input of the second command.
**. Like wise 3rd, 4th, 5th.....nth.
tee :- **. tee generates two outputs always.
**. It's a filter ! by using tee we can send the output to
a new file at the same moment we can see the output on the
screen.

What's a command word?

589

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What is the functionality of a top command?

623

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What is the function of grep command in unix?

588

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Is it inbetween or in between?

580

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How does shebang work?

591

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What is the general format of unix command syntax?

693

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How do you repeat a command in terminal?

591

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What does touch command do in unix?

729

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What is awk command used for?

600

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What does grep v do?

559

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What is command statement?

541

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Which command is used to find whether the system is 32 bit or 64 bit?

631

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What does sed command do in unix?

564

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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:

1758

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Which command can you use to find the currently running process in unix server?

586

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