Explain mount and unmount command.

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How to remove a crontab file?

2 Answers  

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the difference between a soft link and a hard link?

6 Answers  

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what is the advaantage of each user having its own copy of the shell?

2 Answers   Infosys,

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What is “chmod” command?

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What does touch command do in unix?

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What happens when we execute a unix command?

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What does this command do? Cat food 1 > kitty

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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<stdlib.h> # include <stdio.h> 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:

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How does shebang work?

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how will you convert a general file to a hidden file?

4 Answers  

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which command is used to change group?

5 Answers  

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