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Yet another newbie question that suggests people love to kill and show their power to rest of the world ;)

There is a package called procps. It includes various useful (read as nifty) utilities. One of such utility is skill which is responsible to send a signal to users and process such as:

Also note that these are utilities to browse the /proc filesystem, which is not a real file system but a way for the kernel to provide information about the status of entries in its process table.

2 Aufgaben

2.1 Task: How to halt/stop user called didi

Type the skill command as follows

skill -STOP -u didi

You muse be root to stop other users.

2.2 Task: How to resume already halted user called didi

Send CONT single to user didi, type the following command:

skill -CONT -u didi

2.3 Task: How to kill and logout user called didi

You can send KILL single, type the following command:

skill -KILL -u didi

2.4 Task: Kill and logout all users

The ultimate command to kill and logout all users, type the following command:

skill -KILL -v /dev/pts/*

Please note that send users warning message or logout notice using wall command to avoid data loss.