Sistemas operacionais 13

1. Sistemas Operacionais
Aula 13

2. Bibliografia

7. ll file_name

8. chmod ugo+rwx file_name
chmod +rwx file_name
pstree

10. ps –f
To list processes along with the parent process ID
associated with the current terminal, enter the followin
command:

11. To list processes with the parent process ID along with the
process state, enter the following command:
$ ps –lf

12. To list all the processes running in the operating system
including system processes, enter the following
command:
ps –ef

13. $ Hello &
$ sle
ep 10000
Jobs: Show background
process
fg 3: Retorna processo para
foreground
bg 3: retorna processo
para background

14. iostat

15. vmstat
Estatísticas da memória
virtual
vmstat –t 1 5
Executa a cada 1 segundo
5 vezes

16. $ at 11.15 AM
at > echo "Hello World" > $HOME/log.txt
at > Control + D
atq- Lista todos os agendamentos
atrm job-id - Remove agendamento

17. $ crontab –e
wq # save and quite crontab job
5 * * * * $HOME/bin/daily.job >> $HOME/tmp/out 2>&1
Executar a cada 5 minutos

18. 5 0 * * * $HOME/bin/daily.job >> $HOME/tmp/out 2>&1
Executar a 5 minutos depois da
meia noite
15 14 1 * * * $HOME/bin/monthly
noite
Executar 14 e 15 no primeiro dia de
todo mês

20. I go for shopping on Saturday
I rest completely on Sunday
I use Facebook & Tweeter for social
networking
Today is Monday.
I go for shopping on Saturday
I rest completely on Sunday
I use Facebook & Tweeter for social
networking
File 1
File 2

21. diff file1 file2
cut -d: -f1,3 /etc/passwd
cut -d: -f1-5 /etc/passwd
Juntar dois arquivos
horizontalmente
paste file_1 file_2

22. 1 India
2 UK
3 Canada
4 US
5 Ireland
1 New Delhi
2 London
3 Toronto
4 Washington
5 Dublin
$ join one.txt two.txt

23. $ cat test
aa
aa
cc
cc
bb
bb
yy
zz
$ uniq test
uniq command

24. comm command

25. $ tr '[a-z]' '[A-Z]' < filename
TR- lower case to upper case
$ tr '|' '~' < emp.lst
This will squeeze multiple spaces into a single
space:

28. OPTIONS=--selinux-enabled -H tcp://0.0.0.0:2375
(/etc/sysconfig/docker), as follows:

31. DOCKER SWARM