Others provide control over the selection of processes for display, for example, by selecting those processes for a particular user (-u) or a particular command (-C).
其他选项控制选择显示的进程，例如，为特定的用户（-u）或命令（-C）选择这些进程。
2
Refresh the window to display the IP address and name of Machine C (sons).
刷新窗口以显示 Machine C（sons）的 Ip 地址和名称。
3
So, to display the first 200 characters, use head -c 200 file, or use tail -c 200 file to display the last 200 characters.
因此，要显示前200个字符，请使用head - c 200 file，或者使用tail - c 200 file来显示后200个字符。