Answer Posted / sathish kumar p

sed '3d' file name

What are the commands in UNIX to list the files in a Directory?

1191

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What are awk commands?

1163

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Which command should you use to find the remaining disk space in unix server?

1315

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What does this command do,"$more readme.txt“?

1161

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Differentiate cmp command from diff command.

1175

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Give the command for finding the current date.

1118

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What is the use of find command in unix?

1157

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How do you repeat a command in terminal?

1230

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What is the functionality of a top command?

1114

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What command will change your prompt to myprompt?

1332

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Does cp command overwrite files?

1209

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How can you see the command line history?

1143

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How do I run a whois command?

1156

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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:

2273

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Who command in unix?

1147

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