Answer Posted / dinesh

0 and 1

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

1050

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What does the metacharacter mean?

1104

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Enlist some filename manipulation commands in unix.

1118

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

1143

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

1033

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Name the unix command to find how many days the server has been up.

1139

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What is awk good for?

1110

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

1094

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What is the use of egrep command in unix?

1146

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

1177

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What is unix command?

1223

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

1169

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What are grep patterns?

1045

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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:

2224

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What is the command to compare two files in unix?

1081

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