Answer Posted / hr@tgksolutions.com

The command rm –r * erases all files in a directory with its subdirectories.
• rm is for deleting files
• -r is to delete directories and subdirectories with files within
• * is indicate all entries

What is the use of the tee command?

1153

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Which command will print your home directory on screen?

1150

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What do know about tee command?

1221

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Describe the zip/unzip command using gzip.

1225

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How do I search for text in vi?

1100

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What does find command return in unix?

1202

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Name the general commands in using unix os for a beginner?

1215

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How do I search for a file in unix command?

1061

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How do you grep recursively?

1152

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How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1357

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What is the command to view process running?

1154

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What is the difference between awk and grep?

1333

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What is the behavioural difference between cmp and diff commands?

1341

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What does the command ' $who | sort –logfile > newfile' do?

1324

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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:

2317

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