Answer Posted / ansar

Esc dd on command prompt in vi mode.

grep -v "pattern" will also remove the line if we know the
matching pattern on that line.

Enumerate some of the most commonly used network commands in unix?

820

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Why is awk called awk?

764

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Can you explain a little bit about command substitution?

803

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What is a command and examples?

787

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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:

1951

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How do I clear my terminal history?

788

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How do I open a port?

764

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How do I use grep to find a file?

801

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What is grep in bash?

764

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What is {} in find command?

767

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What does the md command do?

760

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What is the use of cut command in unix?

932

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Explain command to view process running?

801

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What does awk stand for?

786

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What is the use of awk command in unix?

758

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