Answer Posted / ashok jayan

cp -rf <source_dir> <dest_dir>

Note: r - Recursively, f - Forcefully

Why is grep called grep?

1227

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What is rmdir command?

1036

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What does 'mkdir' command do in UNIX?

1237

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What is updatedb?

986

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Why is shebang used?

1039

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Name the various commands that are used for the user information in unix.

1017

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Explain command to show the space allocation of files?

1067

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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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What does awk stand for?

1031

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Why is it called grep?

968

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Why is it called a shebang?

1081

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Is ‘du’ a command? If so, what is its use?

1087

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Describe the zip/unzip command using gzip.

1096

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What is the behavioural difference between cmp and diff commands?

1210

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Why is awk called awk?

1011

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