Answer Posted / rajasekar

rm -rf <directory name with path>

What is the search command in unix?

1089

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How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1312

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What is the use of finger command?

1207

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What command is used to check the current users?

1123

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What is grep in bash?

1060

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

1217

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What does this command do? Cat food 1 > kitty

1580

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Give the command for finding the current date.

1104

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Explain ‘system calls’ with respect to unix commands?

1093

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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:

2265

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Which command will print your home directory on screen?

1078

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What is the comma to display different lines that are found when compare two files?

1152

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

1067

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Why is awk called awk?

1070

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What are the commands in UNIX to list the files in a Directory?

1180

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