Shell

An interactive user defined shell in C

Compile

• compile using simple make

Run

• Run using ‘./myshell’

Features

General Features

• Works almost like normal shell
• Keeps the directory where the shell is run, as home directory and shows the path of the current directory relative to that home directory
• Every command is run in new forked process

Built-In Commands (Implemented)

These commands are implemented as a part of shell

• cd
• echo
• pwd
• pinfo
  • It returns process related information like pid, process status, memory, executable path, etc

System Commands

• These commands are run as forked process which is served by system(OS)

Background Processes

• Commands which have ‘&’ appended, run in background
• When background process exits, shell display a message with its exit status