Answer Posted / amit kumar

ls -a will show the hidden files.

Explain the steps that a shell follows while processing a command.

1197

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What is time_t?

1081

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Differentiate cmp command from diff command.

1136

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What is updatedb?

1005

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What does 'mkdir' command do in UNIX?

1275

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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:

2228

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What do chown command do?

1142

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Using unix command how to display no of records in oracle?

1136

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What is the use of finger command?

1172

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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.

1180

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How many unix commands are there?

1121

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What are the dos commands?

1225

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What does find command return in unix?

1120

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

1178

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How does shebang work?

1038

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