What happens when we execute a unix command?

1134

What is the use of finger command?

1207

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

1212

What does 'mkdir' command do in UNIX?

1306

What does the metacharacter mean?

1130

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

1227

What is the use of cut command in unix?

1367

What are the dos commands?

1256

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

1395

Which command should you use to find the remaining disk space in unix server?

1302

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

Describe the zip/unzip command using gzip.

1155

What are the general commands in using unix os for a beginner?

1164

What is updatedb?

1043

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1310