Answer Posted / jaga

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What happens when we execute a unix command?

1107

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What is sed awk grep?

1088

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What is the use of the command 'ls -x chapter[1-5]' ?

1171

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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:

2221

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What is grep and how do you use it?

1076

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Explain ‘system calls’ with respect to unix commands?

1062

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How do I open a port?

1053

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Which command is used to find whether the system is 32 bit or 64 bit?

1097

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

1133

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What does the command ' $who | sort –logfile > newfile' do?

1250

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What is merge command in unix?

1462

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Who command in unix operating system?

1102

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What is grep in bash?

1030

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How do I run a whois command?

1119

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What is the behavioural difference between cmp and diff commands?

1236

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