How can we use grep command in unix?

819

What are awk commands?

787

How do you grep recursively?

759

What do chmod command do?

801

What does the metacharacter mean?

793

How do I use grep to search for a file?

777

How do I clear my terminal history?

788

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:

1949

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

925

What do chown command do?

771

How do I run a bash script?

797

Is it inbetween or in between?

783

What is the use of find command in unix?

748

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1006

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

872