Answer Posted / sureshkumar

no its not installed

What is grep and how do you use it?

1077

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Explain the steps that a shell follows while processing a command.

1196

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How do I find previous commands in unix?

1146

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Describe the zip/unzip command using gzip.

1130

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What does pipe () return?

1044

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

1098

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What is the use of sed command in unix?

1164

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How do I use grep to search for a file?

1022

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

1172

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Can you enlist some commonly used network commands?

1084

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What does sed command do in unix?

1144

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What does find command return in unix?

1118

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What is the use of the command 'ls -x chapter[1-5]' ?

1175

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Who command in unix operating system?

1103

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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:

2221

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