Answer Posted / dick

concatenate file1 and file2, in the below command file1 content will be insert in front of that in file2, and then combined content will be redirected to file3

cat file1 file2 > file3

What is grep command in unix with examples?

1136

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Enlist some filename manipulation commands in unix.

1085

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What do know about tee command?

1104

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Can you explain a little bit about command substitution?

1061

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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.

1140

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Why is it called a shebang?

1090

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Are you in or at the office?

1071

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

2172

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Which unix command to make a new directory?

1065

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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:

2201

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What is the command to find hidden files in the current directory?

1139

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Does cp command overwrite files?

1133

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What does awk stand for?

1032

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How do I search for text in vi?

987

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What is the difference between cat command and more command?

1125

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