Answer Posted / kmi

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What is $0 bash?

1192

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Who command in unix operating system?

1123

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What is the command to compare two files in unix?

1106

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

1265

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What is the size of time_t?

1198

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Which command is used to restrict incoming messages?

1089

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What is the difference between grep and grep?

1111

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

1201

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What are bash commands?

1143

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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:

2252

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

1764

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What does the md command do?

1120

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Write a command to kill the last background job?

1091

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

1149

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Differentiate cat command from more command.

1132

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