Answer Posted / ajaya kumar

at time commandname - Executes the command at the
perticular time.
crontab -e and type the scheduled job with appropriate
syntax.
- Executes the script at the scheduled times.

What is rmdir command?

1036

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What do know about tee command and its usage?

1114

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What are bash commands?

1088

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

1172

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

1103

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How do I open a port?

1030

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

1233

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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:

2199

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

1243

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How do I run a whois command?

1097

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Which unix command to make a new directory?

1059

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

1081

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What is the use of the tee command?

1047

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What is sed awk grep?

1068

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Explain the steps that a shell follows while processing a command.

1161

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