Answer Posted / aswini

unix command is typed by users where as unix shell script
is predefined set of commands written to handle user
commands.

Which command is used to restrict incoming messages?

1100

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What is the difference between cat and more command?

1291

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What is the use of find command in unix?

1145

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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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Does cp command overwrite files?

1192

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What do chmod command do?

1215

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What are the unix commands?

1092

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What is the pipe command?

1186

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Why is grep called grep?

1290

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What is awk used for?

1126

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What is nr in awk command?

1197

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What are bash commands?

1156

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Is ‘du’ a command? If so, what is its use?

1145

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

1212

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

1145

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