7. Bash Trap Command #!/bin/bash# bash trap commandtrap bashtrap INT# bash clear screen commandclear;# bash trap function is executed when CTRL-C is pressed:# bash prints message => Executing bash trap subrutine !bashtrap(){ echo "CTRL+C Detected !...executing bash trap !"}# for l...
clear-screen(^L) 清除屏幕,把当前的命令行移至屏幕的第一行。 redraw-current-line 刷新当前行。 命令历史操作命令 accept-line (Newline, Return) 接受当前行。如果当前行非空,把当前行加到命令历史缓冲区中(需满足 HISTCONTROL变量的要求)。 previous-history(^P) 取回命令历史缓冲区中的前一个命令行,命令...
clear-screen (C-l) 清除屏幕,保留當前行在屏幕頂端。有參數時,刷新當前行,不清屏。 redraw-current-line 刷新當前行。 Commands for Manipulating the History 操縱歷史行 accept-line (Newline, Return) 接受這一行,不管光標在什麼位置。如果行非空,將根據變量 HISTCONTROL 的狀態加入到歷史列表中。如果行 是...
clear-screen (C-l) 清除屏幕,保留当前行在屏幕顶端。有参数时,刷新当前行,不清屏。 redraw-current-line 刷新当前行。 Commands for Manipulating the History 操纵历史行 accept-line (Newline, Return) 接受这一行,不管光标在什么位置。如果行非空,将根据变量 HISTCONTROL 的状态加入到历史列表中。如果行 是...
If a command is terminated by the control operator &, the shell executes the command in the background in a sub shell. The shell does not wait for the command to finish, and the return status is 0. Commands separated by a ; are executed sequentially; the shell waits for each ...
# Clear screen on script exit. trap 'printf \\e[2J\\e[H\\e[m' EXIT 忽略终端中断(CTRL + C,SIGINT) trap '' INT 对窗口调整大小做出反应 # Call a function on window resize. trap 'code_here' SIGWINCH 在每个命令之前做点什么 trap 'code_here' DEBUG ...
clear Clear terminal screen cmpCompare two files commCompare two sorted files line by line commandRun a command - ignoring shell functions continueResume the next iteration of a loop cpCopy one or more files to another location cronDaemon to execute scheduled commands ...
进入vi command mode Esc或Ctrl+[ 热键 #显示所有补全Tab或Ctrl+i#下一个补全Ctrl+n#上一个补全Ctrl+p#搜索历史Ctrl+r 设置热键 #清屏bind -m vi-insert'\c-l':clear-screen#进入vi命令模式bind -m vi-insert'\c-x':vi-movement-mode#跳到末尾bind -m vi-insert'\c-e':end-of-line#跳到开头bin...
R Repaint the screen, discarding any buffered input. Useful if the file is changing while it is being viewed. F Scroll forward, and keep trying to read when the end of file is reached. Normally this command would be used when already at the end ...
When you execute a command or run a script, you receive an exit code. An exit code is a system response that reports success, an error, or another condit...