Here are the list of System Information commands in Unix. These are generally used in command prompt
Date command in unix
date – show the current date and time
cal command in unix
cal – show this month’s calendar
uptime command in unix
uptime – show current uptime
to display currently who is logged in
w – display who is online
whoami – who you are logged in as
finger user – display information about user
uname -a – show kernel information
cat command in unix
cat /proc/cpuinfo – cpu information
cat /proc/meminfo – memory information
man command – show the manual for command
df – show disk usage
du – show directory space usage
free – show memory and swap usage
whereis app – show possible locations of app
which app – show which app will be run by default
For Unix Basic commands tutorial. Please refer to Basic commands in Unix
For Unix Process Management tutorial. Please refer to Process Management commands in Unix
For Setting File permissions please visit the tutorial File Permissions in unix
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