What does #!/ Bin sh do?

1068

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:

2273

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

1221

What are file commands?

1236

Who invented grep?

1164

How does shebang work?

1073

Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?

1575

What is the use of the tee command?

1100

What does the command '$ls | wc –l > file1' do?

1235

How do I delete files from command prompt?

1227

Which unix command to make a new directory?

1152

How can you see the command line history?

1143

How does the system know where one command ends and another begins?

2259

What does find command return in unix?

1160

What do chown command do?

1199