kill -9
is kill imediatliy

killall process_name

#cpu
#ram

cat /proc/cpuinfo

cat /proc/process_id/

watch 'command'
run command every to second

watch -n 3 'command'

#run command evry second

linx shell
#zsh ubuntu

schedule job

at : run at future time
cron: recurring job in future

terminal

ls -lah
is equal
ld -l -h -a

ls -lhS

ls -a

ls -A
dos not show shortcut directories

linux default
rm = rm -i

mkdir foldername
rmdir -f foldername
rmdir emtydir

touch filename
create and if file exist change timestamp

gerp "serchterm" filename

case insensetive
gerp -i "serchterm" filename

all line except thos contain search term
gerp -v "searchterm" filename

number of eccurance
gerp -c "serchterm" filename

find directory -name "*.txt"
find directory -size +10M

Menue Options