What are grep patterns called?
What does chmod 644 do?
What command would you use to create an empty file without opening it to edit it?
Who whoami linux?
I have my default runlevel is init5 now i have configured to init 3,now i wanna run my system in init3 process without reboot the system .How will you do for this scenario?
Write a command to find all of the files which have been accessed within the last 30 days.
What is FC command?
How do you find files in Linux?
What is a makefile in linux?
How do I check my cpu cores?
Who command in linux?
What is the syntax of mkdir?
what is lilo?How it is useful in linux?