Is command prompt unix?

798

Why is it called grep?

756

What difference between cmp and diff commands?

962

What does grep v do?

767

What is the command to view process running?

810

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:

1976

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

888

Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

898

What does this command do? Cat food 1 > kitty

1240

How does shebang work?

808

Which command is used to kill the last background job?

1016

How do I run a whois command?

840

Which command is used to delete all files in the current directory and all its sub-directories?

953

What is ‘ps’ command for?

858

What are file commands?

865