Common Commands
Command date for viewing, set the current system time:
Display time format: + the Y% -% m -% D
Command hwclock (clock) for displaying the hardware clock time
Command cal to view the calendar
Command uptime for viewing system uptime
Output, view the command
Command echo for information to be displayed
Command cat to display the contents of the file
Command head first few lines to display the file (the default is 10 rows)
-n specifies the maximum number of lines
-f trace display file updates (generally used to view the log, the command will not quit, but continues to display the contents of the newly added)
Command more to display file contents page (only page down)
Command less for page display file contents (to bring the page)
View hardware information
Command lspci for viewing PCB equipment
-V View Details
Command lsusb to view the USB device
-V View Details
Command lsmod to view the module loaded (drive)
Shutdown , Restart
Command shutdown to shut down, restart your computer
Shutdown [ shutdown, restart ] Time
-h Turn off the computer
-r Restart
Such as:
Immediate shutdown: the shutdown -h now
10 minutes after the shutdown shutdown -h +10
23:30 min shutdown: the shutdown -h 23:30
Restart immediately: the shutdown -r now
Command poweroff to shut down the computer immediately
Command reboot to restart the computer immediately
Archiving , compression
Command zip for zip file
zip linuxcast.zip myfile
Command unzip to extract the zip file
unzip linuxcast.zip
Command gzip to compress files
gzip Linuxcast.net
Command taz to archive
taz -cvf out.taz linuxcast
taz -xvf linuxcst.tar
Tar -cvzf backup.taz.gz/etc
Seek
Command locate to quickly find files, folders
Loate keyword
This command requires pre-established database, the default database is updated once a day, can update command to manually create, update database
Command find for Advanced Find files, folders,
Find Find Find a location parameter
Such as:
find find find the location parameters
Such as:
Find . -name *linuxcast*
Find / -name *.conf
Find / -perm 777
Find /-type d
Find .-name “a*” -exec is -i{}\;