Progrming관련
Unix shell
starland
2009. 11. 19. 22:15
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http://blog.naver.com/norther80/80010304158
1. Shell Program 소개
u Shell 종류
/usr/bin/sh POSIX Shell
/usr/bin/ksh Korn Shell
/usr/old/bin/sh Bourne Shell
/usr/bin/csh C Shell
/usr/bin/keysh Key Shell
/usr/bin/rksh Restricted Korn Shell
/usr/bin/rsh Restricted Shell
u Shell Startup 파일
Korn Shell /etc/profile -> $HOME/.profile -> $HOME/.kshrc
Bourne Shell /etc/profile -> $HOME/.profile
POSIX Shell /etc/profile -> $HOME/.profile -> $HOME/.kshrc
C Shell $HOME/.login -> $HOME/.cshrc
2.Shell Parameter
u Parameter Substitution
l Parameter Setting
# Parameter=Value
# 변수명=값 : Named Parameter
l Parameter의 Unsetting
# unset parameter
# unset 변수명
u Command Substitution
# $(command) # `command`
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