Answer Posted / shaik

32

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

2561

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What happens when we execute a unix command?

1153

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How does pipe () work?

1106

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How do I run a whois command?

1162

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How can we use grep command in unix?

1221

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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:

2275

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What is .sh file?

1197

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What is “chmod” command?

1190

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Which unix command lists files/folders in alphabetical order?

1771

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How do I use grep to search for a file?

1066

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Explain mount and unmount command.

1232

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What will the following command do?

1132

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What are filter commands in unix?

1207

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What does the metacharacter mean?

1142

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What is the first character of the output in ls l command?

1220

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