问linux终端中如何走出>模式

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# Generic $dotdir/bashshrc
# Engineering Services (ES)
#
##
# Things the user might wish to set.
export USER_PATH="~/bin"            # Extra paths.
export EDITOR=vi                # Preferred editor.
export PRINTER=lp               # Preferred printer.
export NNTPSERVER=usenet.cisco.com      # Preferred news server.
 

##
# Should the full environment be set up even for non-interactive shells?
# Probably not but here is a variable to control it.
export FULLENV=false                # 'true' or 'false'

##
# Should all paths (even NFS, which might hang) be set up at login?
# The alias "fullpath" is available to setup your full path.  It can
# also be used to change your path by changing USER_PATH above.
export FULLPATH=true                # 'true' or 'false'

###########################################################################
# Everything above this line helps configure the environment.

# This line should not be removed.
dotdir=~/.files; [ -f $dotdir/sys_bashrc ] && . $dotdir/sys_bashrc
[ $FULLENV != "true" ] && [ -z "$PS1" ] && return

###########################################################################
# Everything below this line is run for interactive shells.
# If you wish the full environment even in non-interactive
# shells set FULLENV above to 'true'.

umask 022                        # no write by group or other
export autologout=0              # disable autologout
export FIGNORE=".o"              # don't complete .o files
# export HISTFILE=~/.bash_history  # history file - this setting is now externally enforced by Secops, please don't modify.
# export HISTFILESIZE=500        # history file size - this setting is now externally enforced by Secops, please don't modify.
# export HISTSIZE=128            # save last 128 commands - this setting is now externally enforced by Secops, please don't modify.
export ignoreeof=10              # disable ^D for logout (up to 10)
set -C                           # disable redirect overwrite
set -b                           # enable immediate job notify
export PS1="\h:\w > "            # shell prompt format

##
# Source other rc files after this line.
[ -f ~/.bashrc_LOB ] && . ~/.bashrc_LOB
[ -f ~/.bashrc_BU ] && . ~/.bashrc_BU
[ -f ~/.bashrc_USER ] && . ~/.bashrc_USER