WebApr 12, 2024 · 详细描述了有关linux系统的配置过程和要求 WebApr 4, 2024 · Sorted by: 98. Use the echo command to append lines to the .bashrc script. So in your script use these lines. echo 'export APP=/opt/tinyos-2.x/apps' >> ~/.bashrc echo 'export TOS=/opt/tinyos-2.x/tos' >> ~/.bashrc. Make sure to use >> (append), if you use a single > you will overwrite the file. ~/.bashrc indicates .bashrc is in your home directory.
Add environment variable to .bashrc through script - Ask Ubuntu
WebSee the sample .cshrc file earlier in this chapter. tcsh includes some options for cd: tcsh options-Change to previous directory.-l. ... newgrp: newgrp [-] [group] tcsh only. Change user's group ID to specified group ID, or, if none is specified, to original group ID. If - is entered as an option, reset environment as if user had logged in with ... Web1.基线. 即安全基线配置,诸如操作系统、中间件和数据库的一个整体配置,这个版本中各项配置都符合安全方面的标准。. 比如在系统安装后需要按安全基线标准,将新机器中各项配置调整到一个安全、高效、合理的数值。. 2.基线扫描. 使用自动化工具、抓取 ... how does bacteria spread infection
csh - Unix, Linux Command - TutorialsPoint
WebMay 7, 2024 · 2. For csh or tcsh, the environment variable PS1 is meaningless: the prompt is actually configured using a shell variable named prompt. So the syntax you'll need is: … WebOr you could use newgrp for small environment and temporary situation. Create a new user bob and a new group dodo. useradd bob So in RedHat/Centos we have UID=(ID_number) bob; GID=(ID_number) bob as primary group by default. groupadd dodo Add the user bob to the dodo group: usermod -aG dodo bob -make sure to use "a" Next use newgrp to … WebA common implementation of newgrp is that the current shell uses exec to overlay itself with newgrp, which in turn overlays itself with a new shell after changing group. On some implementations, however, this may not occur and newgrp may be invoked as a subprocess. The newgrp command is intended only for use from an interactive terminal. how does bacterial infection occur