Debian 终端Shell命令行长路径改为短路径的步骤

需要修改bashrc

~/.bashrc

先备份一份

cp .bashrc bashrc.backup

编辑bashrc

vim ~/.bashrc

可以看到bashrc内容为

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples
# If not running interactively, don\’t do anything
case $- in
*i*) ;;
*) return;;
esac
# don\’t put duplicate lines or lines starting with space in the history.
# See bash(1) for more options
HISTCONTROL=ignoreboth
# append to the history file, don\’t overwrite it
shopt -s histappend
# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=1000
HISTFILESIZE=2000
# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize
# If set, the pattern \”**\” used in a pathname expansion context will
# match all files and zero or more directories and subdirectories.
#shopt -s globstar
# make less more friendly for non-text input files, see lesspipe(1)
#[ -x /usr/bin/lesspipe ] && eval \”$(SHELL=/bin/sh lesspipe)\”
# set variable identifying the chroot you work in (used in the prompt below)
if [ -z \”${debian_chroot:-}\” ] && [ -r /etc/debian_chroot ]; then
debian_chroot=$(cat /etc/debian_chroot)
fi
# set a fancy prompt (non-color, unless we know we \”want\” color)
case \”$TERM\” in
xterm-color|*-256color) color_prompt=yes;;
esac
# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
#force_color_prompt=yes
if [ -n \”$force_color_prompt\” ]; then
if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
# We have color support; assume it\’s compliant with Ecma-48
# (ISO/IEC-6429). (Lack of such support is extremely rare, and such
# a case would tend to support setf rather than setaf.)
color_prompt=yes
else
color_prompt=
fi
fi
if [ \”$color_prompt\” = yes ]; then
PS1=\’${debian_chroot:+($debian_chroot)}\\[\\033[01;32m\\]\\u@\\h\\[\\033[00m\\]:\\[\\033[01;34m\\]\\w\\[\\033[00m\\]\\$ \’
else
PS1=\’${debian_chroot:+($debian_chroot)}\\u@\\h:\\w\\$ \’
fi
unset color_prompt force_color_prompt
# If this is an xterm set the title to user@host:dir
case \”$TERM\” in
xterm*|rxvt*)
PS1=\”\\[\\e]0;${debian_chroot:+($debian_chroot)}\\u@\\h: \\w\\a\\]$PS1\”
;;
*)
;;
esac
# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
test -r ~/.dircolors && eval \”$(dircolors -b ~/.dircolors)\” || eval \”$(dircolors -b)\”
alias ls=\’ls –color=auto\’
#alias dir=\’dir –color=auto\’
#alias vdir=\’vdir –color=auto\’
#alias grep=\’grep –color=auto\’
#alias fgrep=\’fgrep –color=auto\’
#alias egrep=\’egrep –color=auto\’
fi
# colored GCC warnings and errors
#export GCC_COLORS=\’error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01\’
# some more ls aliases
#alias ll=\’ls -l\’
#alias la=\’ls -A\’
#alias l=\’ls -CF\’
# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.
if [ -f ~/.bash_aliases ]; then
. ~/.bash_aliases
fi
# enable programmable completion features (you don\’t need to enable
# this, if it\’s already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if ! shopt -oq posix; then
if [ -f /usr/share/bash-completion/bash_completion ]; then
. /usr/share/bash-completion/bash_completion
elif [ -f /etc/bash_completion ]; then
. /etc/bash_completion
fi
fi

别的都不用关心

找到这样一段代码

if [ \”$color_prompt\” = yes ]; then
PS1=\’${debian_chroot:+($debian_chroot)}\\[\\033[01;32m\\]\\u@\\h\\[\\033[00m\\]:\\[\\033[01;34m\\]\\w\\[\\033[00m\\]\\$ \’
else
PS1=\’${debian_chroot:+($debian_chroot)}\\u@\\h:\\w\\$ \’
fi

将其中的\\w改为\\W，也就是把小写w改为大写W

改完后保存退出

执行

source .bashrc

可以看到终端路径不论cd了多少层目录，都只会显示最后的文件夹名称

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