Linux Book

Read a book about linux
####Linux Fundamentals by Paul Cobbaut
#####Everything on linux is a file
Linux does not use extensions to determine the file type.
#####basic
cd –
ls -lh
#####touch
Update the access and modification times of each FILE to the current time.
#####More is less, Less is more
#####directory
/opt – to store optional software. In many cases this is software from outside the distribution repository.
/proc/cpuinfo – to check cpu information
/usr – is pronounced like user, remember that it stands for Unix System Resources.
#####alias
alias – to view alias
alias c=’clear’
unalias c
##### | vertical bar
One of the most powerful advantages of Linux is the use of pipes. A pipe takes stdout from the previous command and sends it as stdin to the next
command.
######locate
updatedb
locate
#####zip
gzip
gunzip
bzip2
bunzip2