文字所佔的電腦容量{:7_509:}
希望我沒算錯{:7_520:}
pgrep -u root sshd pgrep -u root,daemon
m@meng:~$ cat new apple 3Apple 7pear 6pear 4banana 1orange 11m@meng:~$ cut -c 1-6 new apple Apple pear pear bananaorange
user@ubuntu:~$ echo -e "bash\ntest\ntest\nroot" | uniq -ubashrootuser@ubuntu:~$ echo -e "bash\ntest\ntest\nroot" | uniq -dtestuser@ubuntu:~$ echo -e "bash\ntest\ntest\nroot" | uniq -c 1 bash 2 test 1 root