How do I check disk space in linux?
Explain trap command; shift command, getopts command of linux?
What is the use of ls command?
who invented unix?
What is bash command?
how to create a new file command
What does free command do in linux?
In /boot/grub/grub.conf file there is a line kernel /vmlinuz-version ro root=/dev/sda2, What is the meaning of "/" before vmlinuz? Pls explain?
How to activate / deploy licence in RHEL 6 and what will happen if you don't activate / deploy licence in RHEL 6 ?
What is tail command in linux?
Which command is used to find what is in your home directory?
How does diff command work?
How can you check the amount of lines in a file?