[root@jp-test-apache yupf]# echo $((2#10101100))
172
[root@jp-test-apache yupf]# echo "obase=2;172"|bc
10101100
172
[root@jp-test-apache yupf]# echo "obase=2;172"|bc
10101100
while(true);do date;sleep 1; done
debian:~/Desktop# cat 2 hello ddasd hello eehello defdfhello debian:~/Desktop# grep -o hello 2|wc -l 4
1. uname -a 2. cat /proc/version 3. cat /etc/issue 4. lsb_release -a
du -sh