Answer Posted / sudhansu mallick

It will allow you to create file.c ( if file.c is
available, it will be overwritten with new data )

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1450

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Explain command to show the space allocation of files?

1170

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What is unix command line?

1339

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How does pipe () work?

1148

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What do chgrp command do?

1289

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What is the use of finger command?

1267

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Which unix command to make a new directory?

1194

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What is the use of find command in unix?

1216

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how to sort the content of the file based on numeric values

1843

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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:

2321

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What does the “echo” command do?

1197

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Write a command to kill the last background job?

1155

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What is nr in awk command?

1278

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Write a command to display a file’s contents in various formats?

1252

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What does touch command do in unix?

1482

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