Why we use pwd command in linux?

538

Suppose I lost a root password and I need to give it, I treid to change it through single usermode even though I am not get a password, then what is the otherprocedure to give a root password?

524

What is p command?

556

How can I type in cmd?

496

What is command to check ports running/used over local machine

634

why context switching time should be minimum? How it depends on hardware support?

1287

I am using RedHat 6.3 in I wanna to install and configure zimbra mail. Can anybody tell me what are the RPM packages required for zimbra mail ? Where can I get those RPM packages ?

1164

What is ulimit in linux?

552

What is netstat command in linux?

560

What will happen when a system call is encountered in a user program?

1486

What is df -h command?

650

How do I find hostname in linux?

560

Enlist some linux to file content commands?

553

What is the command can be used to check for file corruption?

538

What command would you use to check how much memory is being used by linux?

538