Answer Posted / shilpi gupta

cat file1 file2 >>file3|mv file3 file2

What are the differences among a system call, a library function, and a unix command?

789

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How do you grep recursively?

764

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Using unix command how to display no of records in oracle?

823

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What does this command do? Cat food 1 > kitty

1220

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What do chmod command do?

803

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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:

1961

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What will the following command do?

803

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Which command can you use to find the currently running process in unix server?

774

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Who command in unix operating system?

850

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How do I search for text in vi?

757

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What is the use of tee command?

753

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Name the various commands that are used for the user information in unix.

765

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How to use grep command to list find the records of a file containing 10 different strings?

832

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why metadb requires a seperate slice to create Solaris volume manager

2766

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What are awk commands?

791

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