Answer Posted / biswa

cat <filename>|head -51|tail -1

What is “chmod” command?

1193

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What are reported commands?

1141

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What is $0 bash?

1214

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Does cp command overwrite files?

1219

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What does 'mkdir' command do in UNIX?

1323

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Can you explain a little bit about command substitution?

1125

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What is .sh file?

1198

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What is the difference between grep and grep?

1145

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What do chmod, chown, chgrp commands do?

1298

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What is the use of awk command in unix?

1140

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What is {} in find command?

1121

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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:

2278

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What is sed awk grep?

1145

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What is the significance of the 'tee' command?

1205

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What is the nmap command?

1200

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