Answer Posted / guest

display the content of the file

What is command substitution?

1387

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What is the use of sed command in unix?

1215

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How do I run a bash script?

1195

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Is grep faster than awk?

1053

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Who wrote grep?

1076

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What does the command '$ls | wc –l > file1' do?

1244

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What is the size of time_t?

1222

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What are the dos commands?

1269

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What are awk commands?

1170

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How do I use grep to search for a file?

1065

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What is the use of awk command in unix?

1136

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How do I find previous commands in unix?

1195

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What is the functionality of a top command?

1117

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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:

2275

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What do chmod, chown, chgrp commands do?

1297

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