Answer Posted / tamojit

more filename

What's a command word?

1178

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What is “chmod” command?

1176

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Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

1232

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What is grep in bash?

1068

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Which command is used to copy files?

1177

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

1280

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Which command is used to find whether the system is 32 bit or 64 bit?

1151

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Explain mount and unmount command.

1226

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What is the function of grep command in unix?

1184

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Why is it called grep?

1030

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what is the advaantage of each user having its own copy of the shell?

2559

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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:

2271

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What is command substitution?

1369

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Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1406

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What does the metacharacter mean?

1135

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