Answer Posted / abhishek dilliwal

one more..

$less FileName

How many unix commands are there?

1209

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How does the system know where one command ends and another begins?

2314

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Enumerate some of the most commonly used network commands in unix?

1218

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What is grep short for?

1105

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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?

1287

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What is the size of time_t?

1272

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Write a command to kill the last background job?

1155

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Who invented grep?

1213

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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:

2321

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Which command is used to delete all files in the current directory and all its sub-directories?

1318

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What are filter commands in unix?

1261

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Differentiate cat command from more command.

1207

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

1136

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What does 'mkdir' command do in UNIX?

1376

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What is the search command in unix?

1134

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