Answer Posted / dimpi

cat file1 >> file2

What do chmod command do?

1156

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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:

2221

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What does this command do,"$more readme.txt“?

1114

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What difference between cmp and diff commands?

1264

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

1179

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Give the command for finding the current date.

1066

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Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1356

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What does 'mkdir' command do in UNIX?

1271

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Which command is used to kill the last background job?

1303

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What is difference between grep and find command in unix?

1163

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Explain command to display different lines that are found when compare two files?

1124

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What is awk used for?

1090

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How does pipe () work?

1049

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How to find $ai_serual resolved path by using unix

1671

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What is grep short for?

1011

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