Answer Posted / madhusudhan

pipe: pipe is used to redirect the output to the input of an
another command.

to see oracle processes.
ps -ef | grep SIDNAME

Here grep will find the sidname and the output of grep will be used as input to display processes.

tee : using tee we can send the output to
a new file at the same time we can see the output on the
screen

What is s and g in sed command?

1058

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What is awk used for?

1077

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What is unix command line?

1178

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What is the use of tee command?

1074

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Is grep faster than awk?

987

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What command will change your prompt to myprompt?

1251

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What do chown command do?

1115

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What does sed command do in unix?

1114

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Which unix command lists files/folders in alphabetical order?

1659

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What is $0 bash?

1130

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How do you repeat a command in terminal?

1151

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Which unix command to make a new directory?

1066

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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:

2202

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Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1155

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How do I run a bash script?

1113

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