bash(Bourne Again SHell) is an enhanced version ofsh(Bourne Shell). Bash includes additional features like command line editing. If your script relies on Bash-specific features, use#!/bin/bash; otherwise,#!/bin/
#time stream tcp nowait root internal #:STANDARD:These are standard services.#:BSD:Shell,login,exec and talk areBSDprotocols.#:MAIL:Mail,news and uucp services.#:INFO:Info services #:BOOT:TFTPservice is provided primarilyforbooting.Most sites # runthisonly on machines actingas"boot servers."...
Shell程序的好处在于不需要重新编译,插入一个echo命令也不需要多少时间。 shell也有一个真实的调试模式。如果在脚本"strangescript" 中有错误,您可以这样来进行调试: sh -x strangescript 这将执行该脚本并显示所有变量的值。 shell还有一个不需要执行脚本只是检查语法的模式。可以这样使用: sh -n your_script 这将...
#执行系统内核脚本改变DEFAULTLEVEL的值 [ -n "${FROM_SINGLE_USER_MODE}" ] || /etc/init.d/rcS # Switch into the default runlevel#开放根据选定的level启动系统 telinit "${DEFAULT_RUNLEVEL}" #执行telinit命令 end script 在ubuntu下init 和telinit都是二进制命令: harvey@ubuntu:/etc$ ll /sbin/...
You can have multiple --run-command options. They run in the same order that they appear on the command line. See also: --firstboot, --attach, --upload. --script SCRIPT (see "script" below) Run the named "SCRIPT" (a shell script or program) against the guest. The script can be...
使用sudo command : 对于大多数日常任务,推荐使用 sudo 来临时获取 root 权限执行特定命令。 使用sudo -i:创建一个全新的 root shell 环境,并加载root 用户的环境变量。 使用sudo su:切换到 root 用户,但不会重新加载环境变量,而是继承当前用户的环境。 完成root 操作后,记得通过输入 exit 或按Ctrl+D 退出root...
$ curl -sS https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh | ...
The machine and realm names must be specified in uppercase. The dollar sign ($) must be escaped with a backslash (\) to prevent shell substitution. In some environments, the DNS domain name is different from the Kerberos realm name. Ensure ...
line 180, in _Run result = cmd.Execute(copts, cargs) File "/home/octopus/android/system/.repo/repo/subcmds/init.py", line 395, in Execute self._ConfigureUser() File "/home/octopus/android/system/.repo/repo/subcmds/init.py", line 289, in _ConfigureUser name = self._Prompt('Your Na...
Visual Studio CodeA cross-platform GUI code editor that run Transact-SQL statements with the mssql extension. PowerShell CoreA cross-platform automation and configuration tool based on cmdlets. mssql-cliA cross-platform command-line interface for running Transact-SQL commands. ...