GNU bash, version 4.2.46(1)-release (x86_64-redhat-linux-gnu) These shell commands are defined internally. Type `help' to see this list. Type `help name' to find out more about the function `name'. Use `info bash' to find out more about the shell in general. Use `man -k' or...
在不存在的网站上一顿查找,找到如下这番解释: "static" means "enabled because something else wants it". Think by analogy to pacman's package install reasons: enabled :: explicitly installed static :: installed as dependency disabled :: not installed 意思是,状态为 static 的服务,是作为别的服务的...
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The script operates within its own environment, without impacting the environment of its parent shell. This means that modifying$PATHwithin the script will not alter$PATHin your interactive shell. A mini-example of this: $ echo "$PATH" /usr/bin:/bin:/usr/sbin:/sbin:/usr/X11R6/bin:/usr/...
The first “echo” command is modified to use the “-n” option, which prevents the command from adding a trailing newline character. This means that the prompt for the user’s name will be printed on the same line as the “Please enter your name:” text. ...
Even on `always',moshwill only show predictions when it is confident. This generally means a previous prediction on the same row of the terminal has been confirmed by the server, without any intervening control character keystrokes. -a
the image below. After executing this command by pressing the “Enter” key, we got 5 as a result. This means the “printf” contains only 5 letters in it. As the printf is a standard statement, that is why it would display the arguments in a standard formatted form while in control....
# that means it is gnuoldld.test -z "$ld_supported_emulations" \ && echo "${UNAME_MACHINE}-pc-linux-gnuoldld" && exit 0 case "${UNAME_MACHINE}" in i?86) VENDOR=pc; ;; *) VENDOR=unknown; ;; esac # Determine whether the default compiler is a.out or elf cat...
在Linux系统中,对于多核的ARM芯片而言,Bootrom代码中,CPU0会率先起来,引导Bootloader和Linux内核执行,而其他的核则在上电时Bootrom一般将自身置于WFI或者WFE状态,并等待CPU0给其发CPU核间中断(IPI)或事件(一般透过SEV指令)唤醒之。一个典型的启动过程如下图: ...
This command uses double quotes to allow variable expansion within the string. This means that any variables within the double-quoted string will be replaced by their values. In this case, the shell replaces$namewith "Sara" and$agewith33. ...