Serial ports are identified as /dev/ttyS0 to /dev/ttyS7. These are the equivalent names of COM1 to COM8 in Windows.
What, if anything, is wrong with each of the following commands? a) ls -l-s b) cat file1, file2 c) ls – s Factdir
Answers: a) there should be space between the 2 options: ls -l -s b) do not use commas to separate arguments: cat file1 file2 c) there should be no space between hyphen and option label: ls –s Factdir
There are 3 kinds of permissions under Linux: – Read: users may read the files or list the directory – Write: users may write to the file of new files to the directory – Execute: users may run the file or lookup a specific file within a directory
The key differences between the BASH and DOS console lies in 3 areas: – BASH commands are case sensitive while DOS commands are not; – under BASH, / character is a directory separator and \ acts as an escape character. Under DOS, / serves as a command argument delimiter and \ is the directory separator […]