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Asked by Raja Lekshmi Last Modified
Answer Unix commands play a crucial role in managing and extracting information from the system. Two commonly used commands, 'w' and 'who,' serve distinct purposes, providing insights into user activities. In Unix training, it's essential to grasp the nuances of these commands.
Functionality:
Key Syntax:
w [options] Usage:
w -h # Display header only w -u # Display information in a user-friendly format Example Output:
10:42 up 2 days, 1:32, 5 users, load averages: 0.45 0.67 0.82 USER TTY FROM LOGIN@ IDLE WHAT jdoe pts/0 192.168.1.2 08:30 2:15 vim Functionality:
Key Syntax:
who [options] Usage:
who -q # Display only the number of logged-in users who -a # Show information about all users, including system users Example Output:
jdoe pts/0 2022-01-10 08:30 (192.168.1.2) The 'w' command provides detailed information about user activities, including processes, load averages, and idle times, whereas the 'who' command focuses on presenting a concise list of logged-in users.
'w' is more comprehensive and suitable for monitoring active user sessions and their ongoing tasks, making it a preferred choice in scenarios where in-depth insights are required.
'who,' on the other hand, is simpler and provides a quick snapshot of logged-in users, making it efficient for a brief overview of the system's user status.
Understanding the distinctions between the 'w' and 'who' commands in Unix is crucial for effective system administration and monitoring. Incorporating both commands in your Unix training will empower you to navigate and manage user activities seamlessly.
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