Answer Posted / rajhshekhar aletty

ps This command displays your current SHELL and your default
SHELL also.

Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

897

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Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?

1200

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What is the use of awk command in unix?

772

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Which unix command to make a new directory?

805

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

1037

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What are reported commands?

809

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What is the first character of the output in ls l command?

875

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

928

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What is in grep command?

858

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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:

1976

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How do I use nslookup?

769

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What is the significance of the 'tee' command?

827

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Why is it called a shebang?

798

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What is the difference between cat command and more command?

805

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How to display no of records in oracle using unix command?

809

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