Answer Posted / bhaskar

using touch comamnd


touch filename

What will the following command do?

1081

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What is the difference between cat command and more command?

1145

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What does #!/ Bin sh do?

1034

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

1175

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What is .sh file?

1122

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What is unix command line?

1196

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What is pipe command in unix?

1249

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What does touch command do in unix?

1360

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Write a command that will allow a unix system to shut down in 15 minutes, after which it will perform a reboot.

1160

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What is the use of sed command in unix?

1160

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What do know about tee command?

1121

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What are the differences among a system call, a library function, and a unix command?

1164

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Explain ‘system calls’ with respect to unix commands?

1057

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Give the command for finding the current date.

1051

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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:

2215

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