total 1.2M
drwx------ 2 anw0044 student 4.0K Feb  8 20:59 .
drwx------ 7 anw0044 student 4.0K Feb  1 16:17 ..
-rw------- 1 anw0044 student    0 Feb  8 21:00 a.txt
-rw------- 1 anw0044 student  189 Feb  8 20:17 a.txt

-rwx------ 1 anw0044 student 8.3K Feb  6 21:55 demo1
-rw------- 1 anw0044 student 1.6K Feb  7 19:31 demo1.c
-rwx------ 1 anw0044 student 9.8K Feb  8 09:12 demo2
-rw------- 1 anw0044 student 1.3K Feb  8 09:12 demo2.c
-rwx------ 1 anw0044 student 8.6K Feb  6 21:56 demo3
-rw------- 1 anw0044 student 1.7K Feb  7 19:31 demo3.c
-rwx------ 1 anw0044 student 8.4K Feb  7 01:09 demo4
-rw------- 1 anw0044 student 1.7K Feb  8 01:15 demo4.c
-rwx------ 1 anw0044 student 8.5K Feb  6 21:56 demo5
-rw------- 1 anw0044 student 1.3K Feb  7 19:31 demo5.c
-rwx------ 1 anw0044 student 8.4K Feb  8 02:17 example2
-rw------- 1 anw0044 student  271 Jan 27 16:19 example2.c
-rwx------ 1 anw0044 student 8.5K Feb  8 02:17 example3
-rw------- 1 anw0044 student  536 Jan 27 16:19 example3.c
-rw------- 1 anw0044 student 121K Jan 27 16:19 Lab03.pdf
-rwx------ 1 anw0044 student  17K Feb  8 20:59 shell
-rw------- 1 anw0044 student 7.4K Feb  8 20:58 shell.c
-rw------- 1 anw0044 student 417K Jan 27 16:19 Study_Lab03.pdf
-rw------- 1 anw0044 student 482K Jan 27 16:19 Study_Lab03.pptx
-rw------- 1 anw0044 student   94 Feb  8 09:12 test.txt