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What does ps
do?
Shows running processes (like Task Manager in text).
What does top
do?
Live view of processes, CPU, memory usage (like Resource Monitor).
What does man
do?
Displays the manual/help page for a command (e.g., man ls
What does grep
do?
Searches text for patterns/keywords (e.g., grep error logfile.txt
)
What does df
do?
Shows disk space usage for mounted filesystems (df -h
shows human-readable sizes)
What does dnf
do?
Package manager for Fedora/RHEL-based systems; used to install, update, and remove software.
What does ip
do?
Shows or configures network interfaces, IP addresses, routing, and connections.
What does apt
do?
Package manager for Debian/Ubuntu-based systems; used to install, update, and remove software.