#1
Which command is used to display information about currently running processes?
#2
What does the 'df' command do in Linux?
Displays disk usage statistics
Displays system uptime
Displays network information
Displays information about installed packages
#3
Which command is used to view the list of logged-in users?
#4
What does the 'uptime' command display in Linux?
System boot time
System load average
System version
System hostname
#5
Which command is used to send a signal to a process in Linux?
#6
Which command is used to view the last few lines of a file?
#7
What is the purpose of the 'sar' command in Linux?
To search for files
To manage software packages
To monitor system performance
To display system architecture
#8
Which command is used to monitor network connections in real-time?
netstat
ifconfig
ping
tcpdump
#9
What does the 'vmstat' command do in Linux?
Displays virtual memory usage
Displays system version information
Displays system boot time
Displays CPU usage
#10
What does the 'journalctl' command do in Linux?
Displays kernel log messages
Manages journal files
Displays system journal logs
Modifies system journal settings
#11
What does the 'strace' command do in Linux?
Displays system time
Traces system calls and signals
Stops a running process
Generates a stack trace
#12
Which command is used to find out the current memory usage of a process?
#13
Which command is used to display the list of files opened by a process?
lsof
lsopen
openedfiles
listopen
#14
What does the 'netcat' command do in Linux?
Manages network connections
Displays network statistics
Initiates network scans
Transfers files over a network
#15
Which command is used to check the syntax of a configuration file without restarting the service?
systemctl reload
service syntax-check
service validate
systemctl status