Linux System Info
17 functions
dfdf [OPTION]... [FILE]...Show disk filesystem usage.
df -hdf -hShow disk usage in human-readable format.
dudu [OPTION]... [FILE]...Show disk usage of files and directories.
du -shdu -sh PATHShow total size of a path in summary.
freefree [OPTION]...Display physical memory and swap usage.
free -hfree -hShow memory usage in human-readable units.
unameuname [OPTION]...Print system information.
uname -auname -aPrint all system information (kernel, host, arch).
uptimeuptimeShow system uptime and load average.
whowho [OPTION]...Show who is logged in.
datedate [OPTION]... [+FORMAT]Display or set the system date and time.
historyhistory [N]Show command history.
envenv [OPTION]... [NAME=VALUE]... [COMMAND]Display or set environment variables.
exportexport [NAME[=VALUE]]...Set environment variables for child processes.
echoecho [OPTION]... [STRING]...Display a line of text.
whichwhich COMMANDShow the full path of a command.
manman [SECTION] COMMANDDisplay the manual page for a command.
