Answer Posted / dimpi

cat file1 >> file2

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

1246

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What does pipe () return?

1075

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What is “chmod” command?

1176

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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?

1232

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What is the command to view process running?

1113

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Which command can you use to find the currently running process in unix server?

1128

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What are the dos commands?

1265

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Why is shebang used?

1132

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What is used to type command?

1063

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Which unix command lists files/folders in alphabetical order?

1762

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Explain command to show the space allocation of files?

1126

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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:

2271

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Which unix command to make a new directory?

1149

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How do I use grep to find a file?

1117

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Write a command to kill the last background job?

1106

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