2024.9.19

面试题

一.

1.mkdir ../dir1 touch ../dir/file1

2.cp /mnt/dir1/* /home/dir2

3.pwd

4.ls -lh

5.ifconfig

6.top

7.ps -ajx|grep python

8.kill -9 7580

9.ping www.baidu.com

10.grep -r /usr "name"

11.i esc :wq

13.df -h

16.tar -xvzf tmp.tar.gz

17.chmod 765 tmp

二、

1.19 4 4 4

2.5

#include <iostream>

using namespace std;

int main()
{
    string s = " 1245a";
    for(unsigned int i=0;i<s.size();i++)
    {
        cout<<hex<<s[i]<<endl;
    }
    return 0;
}

4.58 96

5. (1) 1 (2) 4 (3) 1 (4) 31 (5) 3