Answer Posted / indrajit bhaga / manoj jayswal

"umask <filename>" command is use to see default file
permissions or creat default file permissions.

What is s and g in sed command?

1163

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Which command is used to copy files?

1248

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Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?

1624

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What is the general format of unix command syntax?

2026

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How to display no of records in oracle using unix command?

1225

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What is command substitution?

1475

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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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Why is it called grep?

1085

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Explain command to view process running?

1178

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Why is grep called grep?

1359

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What command will change your prompt to myprompt?

1386

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What is ‘ps’ command for?

1239

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What is the use of tee command?

1234

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What does this command do? Cat food 1 > kitty

1634

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Which command is used to kill the last background job?

1389

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