Protecting Your Files
Use the -l option to reveal the permissions:
host% ls -l
drwxr-xr-x 2 ths 512 Oct 23 1985 bin
-rw-r--r-- 1 ths 129 Nov 20 1985 complex.f
-rw------- 1 ths 129 Jul 2 10:05 mbox
File Permissions
- r = read
- w = write
- x = execute/search