Answer Posted / narendra

ll
long listing (or)

echo *

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

1155

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

1212

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

1177

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Who command in unix operating system?

1129

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Explain mount and unmount command.

1210

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What do chown command do?

1183

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What is the unix command to confirm a remote host is alive or not?

1212

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Why is awk called awk?

1068

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How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1310

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How many unix commands are there?

1148

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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:

2265

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What is the difference between awk and grep?

1241

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Differentiate cat command from more command.

1144

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How do you repeat a command in terminal?

1222

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What is difference between grep and find command in unix?

1209

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