Answer Posted / sushil

swapping means moving least recently used pages to swap FS
area(should not be confused with virtaul memory)
paging means copy/reading pages to virtual memory.

What is the unix command to confirm a remote host is alive or not?

1134

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What is grep command in unix with examples?

1133

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What is the difference between awk and grep?

1146

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How can we use grep command in unix?

1137

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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:

2201

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Is grep faster than awk?

983

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Describe the usage and functionality of the command rm –r * in unix?

1960

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How do I delete files from command prompt?

1150

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What will the following command do?

1061

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What is the use of the command 'ls -x chapter[1-5]' ?

1151

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Explain command to view process running?

1064

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What is $0 bash?

1126

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What does sed command do in unix?

1113

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hw will u use awk in replacing cahrs and files

3177

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Write a command to display a file’s contents in various formats?

1145

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