Answer Posted / nashiinformaticssolutions

Unix is a multiuser, multitasking operating system designed for flexibility and adaptability. Unlike other operating systems like Windows, Unix is known for its stability, security, and support for networking. Unix systems use a hierarchical file system, support multiple users, and offer robust shell scripting capabilities. Unix also serves as the foundation for many other operating systems, such as Linux and macOS.

What is rmdir command?

1112

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What is sed awk grep?

1139

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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:

2272

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What is the first character of the output in ls l command?

1216

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What does this command do,"$more readme.txt“?

1161

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What does touch command do in unix?

1430

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What is the use of cut command in unix?

1377

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Describe the usage and functionality of the command rm –r * in unix?

2105

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What is s and g in sed command?

1120

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What is {} in find command?

1111

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What are filter commands in unix?

1204

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How do you repeat a command in terminal?

1230

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What is the difference between cat and more command?

1302

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What is a bash command?

1181

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How do I run a whois command?

1156

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