redhat_linux命令大全总汇详解必威体育精装版发布完整珍藏版（国外英文资料）.docVIP

redhat_linux命令大全总汇详解必威体育精装版发布完整珍藏版（国外英文资料） Astragalus 30K is the right amount for 6k brown sugar7 fc168d2 TXKWZB - Y7TE - NBMFEK - 9 gew - KVH8DY The login login The logout logout The exit logout shutdown stop system Halt stops the system Reboot poweroff power off sync writes the contents of memory to disk Lilo installs lilo to start the hypervisor Grub installs lilo to start the hypervisor Two. Shell related commands The CHSH switch Shell history shows the command resume The alias sets the command alias unalias cancels the command alias which shows where the command is located type query command type echo shows the string or variable content set sets/displays Shell variables printenv shows the environment variable export sets the environment variable env sets temporary environment variables unset releases environment variables setenv sets the environment variable unsetenv releases environment variables source executes the commands in the file man query command manual info query hypertext command manual whatis shows the command profile apropos through the keyword query manual Three. User manages the relevant commands su switches to other users useradd appends users adduser appends users userdel deletes the user usermod changes user Settings CHFN changes the users private information groupadd groupdel delete group groupmod changes group Settings passwd changes the password whoami shows the user name logname shows the login user account users shows all login user information The who queries the user information w queries the user information id shows the user id information groups shows the group that the user belongs to finger shows the users profile mesg switch to receive and receive messages from others write to other users Wall sends messages to all users talk to chat with other users Four. System message related commands date shows/sets the current time uptime