Answer Posted / naren

sed -e 's/oldstuff/newstuff/g' inputFileName >
outputFileName

What is the size of time_t?

1166

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What does awk stand for?

1041

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What does the command ' $who | sort –logfile > newfile' do?

1246

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Explain how to use grep command to list find the records of a file containing 10 different strings?

1028

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Can you enlist some commonly used network commands?

1067

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How does shebang work?

1025

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Differentiate cmp command from diff command.

1117

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What do know about tee command?

1119

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

1079

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What is the unix command to confirm a remote host is alive or not?

1156

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What does this command do? Cat food 1 > kitty

1539

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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:

2214

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Explain ‘system calls’ with respect to unix commands?

1056

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What is updatedb?

1000

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Describe the zip/unzip command using gzip.

1115

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