Answer Posted / jyoti

Unix enables to Write Small modular Program that
can be Used as building block to build more complex
programs. Thers Two Primitives:
1. I/O redirection
2. Pipe(|)

Who command in unix operating system?

1142

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How can you see the command line history?

1143

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What is the functionality of a top command?

1114

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What do chown command do?

1200

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What is awk good for?

1144

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What command is used to switching between users in unix?

1084

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What is “chmod” command?

1186

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What is $0 bash?

1208

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Enumerate some of the most commonly used network commands in unix?

1175

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What are the commands in UNIX to list the files in a Directory?

1192

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Describe the zip/unzip command using gzip.

1163

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What is the difference between cat command and more command?

1212

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What is the use of egrep command in unix?

1196

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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:

2273

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What is the use of finger command?

1219

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