Language: C++

#include<bits/stdc++.h>                                                                                                               │yukyan@Yukyan-PC:~/workspace/books/linker_loader/src/linksamp$ LS
using namespace std;                                                                                                                  │
int main(){                                                                                                                           │Command 'LS' not found, but can be installed with:
        int a;                                                                                                                        │
        cin >> a;                                                                                                                     │sudo apt install sl
                                                                                                                                      │
        int b,bb,bbb;                                                                                                                 │yukyan@Yukyan-PC:~/workspace/books/linker_loader/src/linksamp$ ls
        b = a / 100;                                                                                                                  │addr         conflict       errwrite       fill.out  link.exec    lma.nm            objdump_lib2.out      otherscr.ro     valiable.comp
        bb = (a - b * 100) / 10;                                                                                                      │addr.c       conflict.c     errwrite.comp  ldscript  link.out     lma.od            objdump_linksamp.out  overwrite       valiable.lds
        bbb = (a - b * 100 - bb * 10);                                                                                                │addr.comp    conflict.comp  errwrite.out   lib1.c    link_t.out   lma.out           objdump_main.out      overwrite.c     valiable.od
        if ( b == 7 || bb == 7 || bbb == 7){                                                                                          │addr.lds     conflict.lds   fill           lib1.o    linksamp     main.c            objdump_otherscr.out  overwrite.comp  valiable.out
                cout << "Yes" << endl;                                                                                                │addr.nm      conflict.od    fill.c         lib1.od   linksamp.od  main.o            otherscr              overwrite.out   x86-64
        }                                                                                                                             │addr.od      conflict.out   fill.comp      lib2.c    lma          main.od           otherscr.comp         sample.lds
        else {                                                                                                                        │addr.out     cut.pl         fill.lds       lib2.o    lma.comp     Makefile          otherscr.od           valiable
                cout << "No" << endl;                                                                                                 │compile.out  elf_i386.x     fill.od        lib2.od   lma.lds      objdump_lib1.out  otherscr.out          valiable.c
        }                                                                                                                             │yukyan@Yukyan-PC:~/workspace/books/linker_loader/src/linksamp$ cd
}

Compiler output:
a.cc:1:135: error: extended character │ is not valid in an identifier
    1 | #include<bits/stdc++.h>                                                                                                               │yukyan@Yukyan-PC:~/workspace/books/linker_loader/src/linksamp$ LS
      |                                                                                                                                       ^
a.cc:1:135: warning: extra tokens at end of #include directive
    1 | #include<bits/stdc++.h>                                                                                                               │yukyan@Yukyan-PC:~/workspace/books/linker_loader/src/linksamp$ LS
      |                                                                                                                                       ^~~~~~~
a.cc:2:135: error: extended character │ is not valid in an identifier
    2 | using namespace std;                                                                                                                  │
      |                                                                                                                                       ^
a.cc:3:135: error: extended character │ is not valid in an identifier
    3 | int main(){                                                                                                                           │Command 'LS' not found, but can be installed with:
      |                                                                                                                                       ^
a.cc:3:144: warning: multi-character character constant [-Wmultichar]
    3 | int main(){                                                                                                                           │Command 'LS' not found, but can be installed with:
      |                                                                                                                                                ^~~~
a.cc:4:135: error: extended character │ is not valid in an identifier
    4 |         int a;                                                                                                                        │
      |                                                                                                                                       ^
a.cc:5:135: error: extended character │ is not valid in an identifier
    5 |         cin >> a;                                                                                                                     │sudo apt install sl
      |                                                                                                                                       ^
a.cc:6:135: error: extended character │ is not valid in an identifier
    6 |                                                                                                                                       │
      |                                                                                                                                       ^
a.cc:7:135: error: extended character │ is not valid in an identifier
    7 |         int b,bb,bbb;                                                                                                                 │yukyan@Yukyan-PC:~/workspace/books/linker_loader/src/linksamp$ ls
      |                                                                                                                                       ^
a.cc:7:142: error: stray '@' in program
    7 |         int b,bb,bbb;                                                                                                                 │yukyan@Yukyan-PC:~/workspace/books/linker_loader/src/linksamp$ ls
      |                                                                                                                                              ^
a.cc:8:135: error: extended character │ is not valid in an identifier
    8 |         b = a / 100;                                                                                                                  │addr         conflict       errwrite       fill.out  link.exec    lma.nm            objdump_lib2.out      otherscr.ro     valiable.comp
      |                                                                                                                                       ^
a.cc:9:135: error: extended character │ is not valid in an identifier
    9 |         bb = (a - b * 100) / 10;                                                                                                      │addr.c       conflict.c     errwrite.comp  ldscript  link.out     lma.od            objdump_linksamp.out  overwrite       valiable.lds
      |                                                                                                                                       ^
a.cc:10:135: error: extended character │ is not valid in an identifier
   10 |         bbb = (a - b * 100 - bb * 10);                                                                                                │addr.comp    conflict.comp  errwrite.out   lib1.c    link_t.out   lma.out           objdump_main.out      overwrite.c     valiable.od
      |                                                                                                                                       ^
a.cc:11:135: error: extended character │ is not valid in an identifier
   11 |         if ( b == 7 || bb == 7 || bbb == 7){                                                                                          │addr.lds     conflict.lds   fill           lib1.o    linksamp     main.c            objdump_otherscr.out  overwrite.comp  valiable.out
      |                                                                                                                                       ^
a.cc:12:135: error: extended character │ is not valid in an identifier
   12 |                 cout << "Yes" << endl;                                                                                                │addr.nm      conflict.od    fill.c         lib1.od   linksamp.od  main.o            otherscr              overwrite.out   x86-64
      |                                                                                                                                       ^
a.cc:13:135: error: extended character │ is not valid in an identifier
   13 |         }                                                                                                                             │addr.od      conflict.out   fill.comp      lib2.c    lma          main.od           otherscr.comp         sample.lds
      |                                                                                                                                       ^
a.cc:14:135: error: extended character │ is not valid in an identifier
   14 |         else {                                                                                                                        │addr.out     cut.pl         fill.lds       lib2.o    lma.comp     Makefile          otherscr.od           valiable
      |                                                                                                                                       ^
a.cc:15:135: error: extended character │ is not valid in an identifier
   15 |                 cout << "No" << endl;                                                                                                 │compile.out  elf_i386.x     fill.od        lib2.od   lma.lds      objdump_lib1.out  otherscr.out          valiable.c
      |                                                                                                                                       ^
a.cc:16:135: error: extended character │ is not valid in an identifier
   16 |         }                                                                                                                             │yukyan@Yukyan-PC:~/workspace/books/linker_loader/src/linksamp$ cd
      |                                                                                                                                       ^
a.cc:16:142: error: stray '@' in program
   16 |         }                                                                                                                             │yukyan@Yukyan-PC:~/workspace/books/linker_loader/src/linksamp$ cd
      |                                                                                                                                              ^
a.cc:2:135: error: '\U00002502' does not name a type
    2 | using namespace std;                                                                                                                  │
      |                                                                                                                                       ^