Answer Posted / rhino

"chgrp" -- is the command used to change the group of a
file . Only the owner of a file can change its group, and
can only change it to a group of which he is a member.

chgrp -R testgrp .

change the ownership of this directory to group 'testgrp'
and everything inside of it (-R = recursive). The person
issuing this command must own all the files or it will fail

What is difference between grep and find command in unix?

1276

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What is the use of the tee command?

1151

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Why is grep called grep?

1359

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What is $0 bash?

1255

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Write a command to kill the last background job?

1151

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Write a command that will display files in the current directory, in a colored, long format.

1273

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What does sed command do in unix?

1246

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What are the unix commands?

1149

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1098

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How do I use grep to search for a file?

1101

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What does grep v grep do?

1124

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How to use grep command to list find the records of a file containing 10 different strings?

1193

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Which unix command to make a new directory?

1189

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Explain mount and unmount command.

1278

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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:

2317

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