Basic System Commands7

~/SystemCommands$ ls
file2  file3  file4  file5  main.sh  NewFolder  renamefile1  replit.nix
~/SystemCommands$ mkdir mydir
~/SystemCommands$ cd mydir
~/SystemCommands/mydir$ touch file1 file 2
~/SystemCommands/mydir$ ls
2  file  file1
~/SystemCommands/mydir$ rm 2
~/SystemCommands/mydir$ ls
file  file1
~/SystemCommands/mydir$ ls -l mydir
ls: cannot access 'mydir': No such file or directory
~/SystemCommands/mydir$ cd ..
~/SystemCommands$ ls -l mydir
total 0
-rw-r--r-- 1 runner runner 0 Jan 10 18:52 file
-rw-r--r-- 1 runner runner 0 Jan 10 18:52 file1
~/SystemCommands$ cp mydir mydir2
cp: -r not specified; omitting directory 'mydir'
~/SystemCommands$ cp -r mydir mydir2
~/SystemCommands$ ls
file2  file3  file4  file5  main.sh  mydir  mydir2  NewFolder  renamefile1  replit.nix
~/SystemCommands$ ls -l mydir2
total 0
-rw-r--r-- 1 runner runner 0 Jan 10 18:53 file
-rw-r--r-- 1 runner runner 0 Jan 10 18:53 file1
~/SystemCommands$ mv mydir mydir3
~/SystemCommands$ ls
file2  file3  file4  file5  main.sh  mydir2  mydir3  NewFolder  renamefile1  replit.nix