Answer Posted / deepak kr. singh

touch Command is mainy used for Created 0 byte file called
control file which is used in the any process

Is command prompt unix?

565

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

675

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Is grep faster than awk?

547

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What is the behavioural difference between cmp and diff commands?

662

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What do chown command do?

520

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Which command is used to restrict incoming messages?

578

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

567

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How can we use grep command in unix?

602

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

666

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What is the comma to show the space allocation of files?

545

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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:

1745

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What is grep in bash?

573

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Who invented grep?

635

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Who command in unix?

558

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What is the difference between grep and grep?

559

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