Linux-Notes

what are different kernel modules and how to check it?
how to chnage from multiuser to single user mode?
explain booting process?
after performing update the system is not coming up, what to do?
diff between chattr and sticky bit
suid and sgid and sticky bit
how to find blank files in /
there is a file in which nothing written only space/tab is added, how we can grep it
can we execute loop in find command
can we run find command for particular user
find the files for the particular user and copy them
copy the history in one file