Answer Posted / suitable

help --command
whatis command
info command

What does the metacharacter mean?

1139

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Which command is used to find whether the system is 32 bit or 64 bit?

1153

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

1174

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What is the use of cut command in unix?

1377

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What does sed command do in unix?

1202

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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:

2272

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What is the use of awk command in unix?

1136

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what is the advaantage of each user having its own copy of the shell?

2560

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How do I search for text in vi?

1048

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What is the use of egrep command in unix?

1188

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What does 'mkdir' command do in UNIX?

1314

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Why is shebang used?

1132

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What is the command to compare two files in unix?

1127

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

1162

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What is the general format of unix command syntax?

1945

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