1.整理思维导图
2.做一套笔试题
一:
1. cd ..
mkdir dir1
cd dir1
touch file1
**2.**cp ~/mnt/dir1/ -r * ~/home/dir2/
**3.**pwd
**4.**ls -l
**5.**ifconfig
**6.**top
**10.**find /usr -type f -name "*name*"
11.:wq
**13.**df -h
**14.**tar -xzvf tmp.tar.gz
**15.**sudo chmod 765 tmp
二:
1.(1)19 (2) 4 (3)100 (4)4
**2.**3
3.
cpp
#include <iostream>
#include <string>
#include <iomanip>
using namespace std;
int main()
{
string a = "1234a";
for (char c : a)
{
cout << hex << setw(2) << setfill('0') << static_cast<int>(c) << " ";
}
cout << endl;
return 0;
}
**4.**x=58 y=96
5.(1)1 (2) 0 (3)1 (4)1 (5)4