trohalska / ush

develop Unix shell

ush

Description:

Ucode project: develop Unix shell.

Developers:

Maksym Libovych | Serhiy Nikolayenko | Tetiana Rohalska

Usage:

1. make
2 ./ush

Implemented:

1. Builtins:

- export
- unset
- exit
- fg [%n, %str]
- env [-i, -P, -u]
- cd [-s, -P, -]
- pwd [-L, -P]
- which [ -a, -s]
- echo [-n ,-e , -E]
- jobs
- bd
- true, false
- kill
- chdir

2. Manage signals:

CTRL+D
CTRL+C
CTRL+Z

3. Expansions:

tilde expansion ~
${parameter}, $parameter
command substitution `command` and $(command)

4. Other:

• customize prompt;
• command editing using arrow-keys;
• support of:
  • commands history;
  • shell functions;
  • pipes | ;
  • & ;
  • redirecting <, >, >> ;
  • logical operators && and || ;
  • aliases.