Answer Posted / varsha

Main diff between CAT and TOUCH command is
By using touch we can create many file at a time.

bt by using cat command we can not create more than one file
or we use cat to display file content,create a file,append
nd copy file content into another file.

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:

2265

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What is the function of grep command in unix?

1184

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What does grep v grep do?

1077

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What is the command to find maximum memory taking process on the server?

1215

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What is updatedb?

1050

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Which unix command to make a new directory?

1144

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How do I search for a file in unix command?

1021

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How do I run a whois command?

1154

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What is “chmod” command?

1175

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Write a command that will display files in the current directory, in a colored, long format.

1224

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What is grep and how do you use it?

1113

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Explain mount and unmount command.

1222

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What is grep r?

1102

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1207

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How does the system know where one command ends and another begins?

2253

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