Answer Posted / mahesh

df -k .

What is the use of awk command in unix?

570

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Who wrote grep?

574

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How do I search a whole word in vim?

682

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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?

788

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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:

1752

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How does pipe () work?

586

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What is grep short for?

547

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

609

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What is nr in awk command?

592

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Why is it called a shebang?

566

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What is $0 bash?

639

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hw will u use awk in replacing cahrs and files

2721

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What are reported commands?

559

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How can we use grep command in unix?

606

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Explain mount and unmount command.

607

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