Answer Posted / opensky

multi-tasking is general term.
multi-user, is facility that allow access simultaneously to
multiple users.
multi-processing, is facility, where multiple process can
run on OS.
time sharing, is again general term.

Why is it called a shebang?

1090

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Are you in or at the office?

1071

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Why is it called grep?

969

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Which command can you use to find the currently running process in unix server?

1070

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What is the command to find maximum memory taking process on the server?

1147

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What is difference between grep and find command in unix?

1142

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What is awk good for?

1088

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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:

2202

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Describe the zip/unzip command using gzip.

1099

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Why is awk called awk?

1020

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Which unix command lists files/folders in alphabetical order?

1659

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Enlist some filename manipulation commands in unix.

1085

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What is a command and examples?

1153

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Explain the steps that a shell follows while processing a command.

1162

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What is the comma to show the space allocation of files?

1014

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