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SIMPLE SHELL

Gates of Shell Replication of little unix processes using knowledge of C Programming language functions learnt so far

AIM & OBJECTIVES

At the end of this project we should be able:

  • To know how the shell works
  • To be able to explain to anyone the concepts applied in building the simple shell
  • To know the creator of the unix process

COMPILATION

The shell should be compiled this way:
gcc -Wall -Werror -Wextra -pedantic -std=gnu89 *.c -o hsh

PROCESSES IMPLEMENTED

Here are some features implemented in the shell so far

  • Execution of Executable files
  • Handling of ctrl + c and EOF
  • Handling of arguments.
  • Handling of executables in PATH environment variable.
  • Handling of builtins exit, env, setenv, unsetenv, cd
  • Handling of symbol #

EXAMPLES

#cisfun$ ls -l /tmp
total 20
-rw------- 1 julien julien    0 Dec  5 12:09 config-err-aAMZrR
drwx------ 3 root   root   4096 Dec  5 12:09 systemd-private-062a0eca7f2a44349733e78cb4abdff4-colord.service-V7DUzr
drwx------ 3 root   root   4096 Dec  5 12:09 systemd-private-062a0eca7f2a44349733e78cb4abdff4-rtkit-daemon.service-ANGvoV
drwx------ 3 root   root   4096 Dec  5 12:07 systemd-private-062a0eca7f2a44349733e78cb4abdff4-systemd-timesyncd.service-CdXUtH
-rw-rw-r-- 1 julien julien    0 Dec  5 12:09 unity_support_test.0
#cisfun$ /bin/ls
barbie_j       env-main.c  exec.c  fork.c  pid.c  ppid.c    prompt   prompt.c  shell_0.3  stat    test_scripting.sh  wait.c
#cisfun$

AUTHORS

  • ADEBISI OLUWATOMIWA
  • BRIGHT OKON