#

| Chapter 4 The Bourne Shell and Korn Shell |

## 4.6 Built-in Commands (Bourne and Korn Shell)

Examples to be entered as a command line are shown with the $ prompt. Otherwise, examples should be treated as code fragments that might be included in a shell script. For convenience, some of the reserved words used by multi-line commands are also included.

- #
- #!shell
- :
- .
- [[ ]]
- `name`
- alias
- autoload
- bg
- break
- case
- cd
- continue
- do
- done
- echo
- esac
- eval
- exec
- exit
- export
- false
- fc
- fg
- fi
- for
- function
- getopts
- hash
- hash
- history
- if
- integer
- jobs
- kill
- let
- newgrp
- nohup
- print
- pwd
- r
- read
- read
- readonly
- return
- select
- set
- shift
- stop
- suspend
- test
- time
- times
- trap
- type
- typeset
- ulimit
- umask
- unalias
- unset
- until
- wait
- whence
- while
- filename

4.5 Command History |  | 4.7 Job Control