Linux-Shell-Interpreter

Created a mini Linux shell interpreter in C.

This page contains the list of all valid commands that can be executed using this shell.
This shell can implement a total of 11 commands: 6 internal commands/shell builtins, and 5 external commands as listed here -

Internal commands/ Shell builtins

chd [relative_path] (cd) (no flags)
hisstory [-clear, -write] (history)
- Flags handled -
  - -clear: to clear the command history.
  - -write: to write something from stdin into the history.
cwd (pwd) (no flags)
hellp (help) (no flags)
ecko [-n, -e] ["..."] (echo)
- Flags handled -
  - -n: to omit the newline character ('\n') after echoing.
  - -e: to identify some escape sequences which it otherwise would have treated as any other characters (\t and \n handled).
quit (exit) (no flags)

datetime [-g, -u] (date)
- Flags handled -
  - -g: to display GMT date, day and time.
  - -u: to display UTC date, day and time.
makedir [-v, -m] [dir_name] (mkdir)
- Flags handled -
  - -v: verbose - prints a message after creating the directory.
  - -m: mode - takes a 4 digit mode as input to custom specify read, write and execute permissions for the newly created directory.
list [-a, -l] (ls)
- Flags handled -
  - -a: to display all files in the current working directory, including the hidden files.
  - -l: to display all files in long listing format (excluding hidden ones).
kat [>] [file1, file2, ...] [>] [file1, file2, ...] (cat) (no flags)
remove [-v, -d] [file_name, dir_name] (rm)
- Flags handled -
  - -v: verbose - prints a message after removing the file passed as argument.
  - -d: to remove directory