Chapter

Error Handling

From ComputerScienceOne by Dr Chris Bourke

Concepts

1. How can you refer to directories and files at different levels of a directory tree?

   "this to specify directories deeper in the directory tree from the current directory. For example (in Unix), ./app/data/data.txt would refer to the directory app in the current working directory, the

2. What types of errors can occur when processing files?

   "When dealing with files there are many potential error conditions that may be anticipated and may need to be dealt with. Some types of errors that can occur include the following.\n\n• Permission err

3. How is the Linux file system organized?

   "/proc/self/ |-- attr |-- cwd -> /proc |-- fd | `-- 3 -> /proc/15589/fd |-- fdinfo |-- net | |-- dev_snmp6 | |-- netfilter | |-- rpc | | |-- auth.rpcsec.context | | |-- auth.rpcsec.init | | |-- auth.u