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33 lines
699 B
Markdown
33 lines
699 B
Markdown
# The `who` command
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The `who` command lets you print out a list of logged-in users, the current run level of the system and the time of last system boot.
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### Examples
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1. Print out all details of currently logged-in users
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```
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who -a
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```
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2. Print out the list of all dead processes
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```
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who -d -H
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```
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### Syntax:
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```
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who [options] [filename]
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```
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### Additional Flags and their Functionalities
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|**Short Flag** |**Description** |
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|---|---|
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| `-r` |prints all the current runlevel |
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| `-d` |print all the dead processes |
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|`-q`|print all the login names and total number of logged on users |
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|`-h`|print the heading of the columns displayed |
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|`-b`|print the time of last system boot | |