一些常用的alias命令

alias cdtomroot='cd /usr/java/tomcat6.0.20/webapps/ROOT/'
alias cdtom='cd /usr/java/tomcat6.0.20/'
alias cdtom2='cd /usr/java/tomcat6'
alias cdapache='cd /usr/local/apache/'
alias cdweb='cd /usr/local/web/'
alias cdmysql='cd /var/lib/mysql/'
alias s80='netstat -ant |grep 80'
alias s8080='netstat -ant |grep 8080'
alias s8009='netstat -ant |grep 8009'
alias s3306='netstat -ant |grep 3306'
alias s28080='netstat -ant |grep 28080'
alias s28009='netstat -ant |grep 28009'
alias c80='netstat -ant |grep 80 |wc -l'
alias c8080='netstat -ant | grep 8080 |wc -l'
alias c8009='netstat -ant | grep 8009 |wc -l'
alias c3306='netstat -ant | grep 3306 |wc -l'
alias c28080='netstat -ant | grep 28080 |wc -l'
alias c28009='netstat -ant | grep 28009 |wc -l'
alias slog='/etc/log.d/logwatch --print'
alias shttpd='ps -ef |grep httpd'
alias chttpd='ps -ef |grep httpd |wc -l'
alias sbad='netstat -atun |grep SYN_RECV |grep :80'
alias cbad='netstat -atun |grep SYN_RECV |grep :80 |wc -l'
alias cddos='netstat -ntu | awk "{print }" | cut -d: -f1 | sort | uniq -c | sort -n'

netstat -n |awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'
以上是一个据说新浪某人写的shell