Answer Posted / anoop varshney

5

How do I run a whois command?

1100

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What is the difference between cat command and more command?

1128

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Which command is used to create a directory?

1097

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Name the unix command to find how many days the server has been up.

1114

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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:

2204

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Which command will print your home directory on screen?

1033

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Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1340

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What is awk used for?

1080

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What is rmdir command?

1049

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What is the use of cut command in unix?

1298

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Is command prompt unix?

1101

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What command is used to switching between users in unix?

1030

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What is grep command in unix with examples?

1141

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Can you explain a little bit about command substitution?

1066

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Who wrote grep?

1016

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