What is grep and how do you use it?

0 Answers  

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What do chgrp command do?

0 Answers  

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What is the difference between pipe and xargs?

2 Answers   Amazon, CTS,

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what is the difference between "cron" command and "at" command?

5 Answers  

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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:

0 Answers  

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what are the different commands used to create files?

5 Answers  

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What is time_t?

0 Answers  

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What is ‘ps’ command for?

0 Answers  

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what these two commands prints "echo test","cat test"?

6 Answers   TCS, Wipro,

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what is the meaning of this command rm -rf / what will it do ?

5 Answers   Altair,

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1-how will you display a file whose name is starting with '- '? 2-how will you add a patten at end of every line in vi editor?

7 Answers  

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what is the cmd to remove the comment lines from a file and to display the original text without comments? thanks in advance......

5 Answers  

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