Linux修改History历史命令数量

****打开  vim  /etc/profile

vim  /etc/profile

追加配置

# /etc/profile: system-wide .profile file for the Bourne shell (sh(1))
# and Bourne compatible shells (bash(1), ksh(1), ash(1), ...).

if [ "$PS1" ]; then
if [ "$BASH" ] && [ "$BASH" != "/bin/sh" ]; then
# The file bash.bashrc already sets the default PS1.
# PS1='\h:\w\$ '
if [ -f /etc/bash.bashrc ]; then
| . /etc/bash.bashrc
fi
else
if [ "`id -u`" -eq 0 ]; then
| PS1='# '
else
| PS1='$ '
fi
fi
fi

if [ -d /etc/profile.d ]; then
for i in /etc/profile.d/*.sh; do
if [ -r $i ]; then
| . $i
fi
done
unset i
fi

# history command max line config
export HISTSIZE=50000

export PATH=$PATH:/usr/local/go/bin
#set java environment
JAVA_HOME=/usr/java/jdk-10.0.1
CLASSPATH=$JAVA_HOME/lib/
PATH=$JAVA_HOME/bin:$PATH
export PATH JAVA_HOME CLASSPATH PATH
export JRE_HOME=/usr/java/jdk-10.0.1/jre

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$JRE_HOME/lib/amd64/server:$JRE_HOME/lib/amd64

export GOROOT=/usr/local/go

PATH=$GOROOT/bin:$PATH

*** 配置文件生效

source /etc/profile