.:
total 20
-rwxrwxrwx. 1 root root 1070 Feb 11 23:08 combine_PM25.csh
-rwxrwxrwx. 1 root root 1198 Feb 12 00:12 combine.pm25.SMAT.csh
-rw-r--r--. 1 root root 4971 Feb 12 00:05 original_terminal.txt
drwxr-xr-x. 2 root root    6 Feb 12 00:05 outputs
-rw-r--r--. 1 root root    0 Feb 12 00:14 permission.txt
drwxrwxrwx. 2 root root   64 Nov  9 15:03 spec_def
drwxrwxrwx. 2 root root 4096 Feb 12 00:10 src

./outputs:
total 0

./spec_def:
total 8
-rwxrwxrwx. 1 root root  772 Nov  9 15:03 spec_def.camx.avrg
-rwxrwxrwx. 1 root root 1176 Nov  6 14:05 spec_def.camxv7.elements

./src:
total 18376
-rwxrwxrwx. 1 root root  2761798 Jul 15  2020 combine.exe
-rwxrwxrwx. 1 root root     7723 Jul 15  2020 combine.F
-rwxrwxrwx. 1 root root    20688 Feb 12 00:04 combine.o
-rwxrwxrwx. 1 root root    14073 Feb 12 00:04 evaluator.mod
-rwxrwxrwx. 1 root root     4004 Jul 15  2020 m3files.mod
-rwxrwxrwx. 1 root root        0 Jul 15  2020 m64
-rwxrwxrwx. 1 root root      830 Feb 12 00:03 Makefile
-rwxrwxrwx. 1 root root      665 Jul 15  2020 Makefile_64
-rwxrwxrwx. 1 root root      657 Jul 15  2020 Makefile.gfortran
-rwxrwxrwx. 1 root root      759 Jul 15  2020 Makefile.ifc
-rwxrwxrwx. 1 root root      748 Jul 15  2020 Makefile.pg
-rwxrwxrwx. 1 root root    26245 Jul 15  2020 module_evaluator.F
-rwxrwxrwx. 1 root root    85904 Feb 12 00:04 module_evaluator.o
-rwxrwxrwx. 1 root root    11498 Jul 15  2020 module_file.F
-rwxrwxrwx. 1 root root    28464 Jul 15  2020 module_file.o
-rwxrwxrwx. 1 root root    16212 Jul 15  2020 module_specdef.F
-rwxrwxrwx. 1 root root    67936 Jul 15  2020 module_specdef.o
-rwxr-xr-x. 1 root root 15705928 Feb 12 00:10 originalcombine.exe
-rwxrwxrwx. 1 root root     9803 Jul 15  2020 spec_def.mod
-rwxrwxrwx. 1 root root     4725 Jul 15  2020 utils.F
-rwxrwxrwx. 1 root root     6808 Jul 15  2020 utils.o