(bashrc中的rc为run command的缩写,来源于麻省理工的runcom,表示:从档案中取出命令来执行) 测试磁盘读写速度:dd, device driver的缩写dd if= /dev/zero of=/tmp/output.txt bs=8k count=256k conv=ascii 查看linux系统信息:uname -a (unix name的缩写, 查看内核/OS/ CP
type实际上是shell内置的命令。 type [-a] COMMAND -a:列出所有COMMAND命令。 whereis 查看包含指定文件名(不含扩展名)的二进制文件、源代码文件和man手册文件的绝对路径。 whereis FILENAME which 查看命令的绝对路径。 which [-a] COMMAND -a:列出所有COMMAND命令。 文件内容查看 cat 正向显示全部内容。 cat ...
https://conda.io/projects/conda/en/latest/user-guide/configuration/use-condarc.html#change-command-prompt-changeps1 vscode $ code .zshrc # >>> conda initialize >>> # !! Contents within this block are managed by 'conda init' !! __conda_setup="$('/Users/xgqfrms-mbp/opt/anaconda3/bin/c...
Some shells may provide a builtin pwd command which is similar or identical to this utility. Consult the builtin(1) manual page. The options are as follows: -L Display the logical current working directory. -P Display the physical current working directory (all symbolic links resolved). If ...
# https://superuser.com/questions/554319/display-each-sub-directory-size-in-a-list-format-using-one-line-command-in-bash [root@tencent-beta18 logs]# du -h --max-depth=1 98M ./bjca-api-statistics-tasks-app 173M ./bjca-app-api-manager-server ...
to the file '.profile' in your home directory; then log out and log in again. Here is that TZ value again, this time on standard output so that you can use the /usr/bin/tzselect command in shell scripts: Asia/Shanghai 把上海的时区写入到磁盘中,在写入时选择覆盖即可 ...
Shell通常被称作命令行界面(Command Line Interface)。 5.ps命令 ps命令通常用来列出在系统上运行的进程。没有参数的ps命令显示了在单个终端(或图形环境中的终端窗口)上启动的所有进程。在下面的例子中,用户elvis发现他的终端上当前有两个运行的进程:bash Shell和ps命令本身。 [elvis@station elvis]$ ps PID TTY ...
Adding users to a group simplifies permissions management. Many people find the process a little unintuitive: Adding a user to a group modifies the user, not the group. Therefore, the necessary command is theusermodcommand. Here are some commands to display group information: ...
command (automatically saves) -x [package], --exclude [package], --excludepkgs [package] exclude packages by name or glob --disableexcludes [repo], --disableexcludepkgs [repo] disable excludepkgs --repofrompath [repo,path] label and path to additional repository, can be specified multiple ...
使用ansible command 模块在所有受管节点上运行 whoami 工具来验证特权升级是否正常工作: copy to clipboard copied! toggle word wrap toggle overflow ansible all -m command -a whoami [ansible@control-node]$ ansible all -m command -a whoami become password: <pass...