Answer Posted / kamakshee

Nice value is used to decide the priority of a
process.Higher the nice value , lower is the priority .By
default the nice value is 20.

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

596

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Describe the usage and functionality of the command rm –r * in unix?

829

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What does the metacharacter mean?

612

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How many unix commands are there?

631

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What is .sh file?

624

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What does the command '$ls | wc –l > file1' do?

684

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How to find $ai_serual resolved path by using unix

1030

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

608

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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:

1766

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What is the use of egrep command in unix?

630

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What command is used to switching between users in unix?

566

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Which command is used to delete all files in the current directory and all its sub-directories?

673

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How do I use grep to search for a file?

584

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What is the command to find maximum memory taking process on the server?

674

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What is the use of find command in unix?

588

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