Common ubuntu terminal commands

Common ubuntu terminal commands NO classification PS1 command name usage and Parameter Function annotation 1 file management # ls-a list all files in the current directory, including. hidden File Management in the header # ls-l or ll list detailed file information under the current directory file management # pwd view the absolute path of the current directory by file management # cd .. back to the upper-level directory file management of the current directory # cd-back to the last directory file management # cd ~ Or cd back to the current user's home directory file management # cd ~ User name back to specify the user's home directory 2 file management # mkdir directory name to create a directory file management # mkdir-p recursively create some nested directory file management # rmdir Rmdir empty directory name delete an empty directory 3 File Management # rm file name delete a file or multiple file management # rm-rf non-empty directory name recursively delete everything in a non-empty directory, not to mention-f 4 file management # cat file name 1 screen View File Content 5 File Management # more file name Page View File Content 6 file management # less file name controllable Page View File Content 7 file Management # grep character file name view part of the file content based on character matching 8 file management # Music Video path/file move files under the relative path to absolute path File Management # change the name of the mv file to the current directory. Name 9: File Management # cp/path/file. /move files under the absolute path to 10 files under the current directory # find path-name "string" to find files within the range where the path matches the string and 11 file management under the directory # ln ln Source File Link name create hard link ln/home/test/usr/test1 create hard link of/home/test under/usr 12 file management # ln Ln-s a B creates a symbolic link to a in the current directory B 13 file management # touch file1 file2 creates two empty files 14 disk management # df is used to report the total capacity of the file system, usage, remaining capacity. 15 disk management # du-B/home view the current/HOME directory capacity (k) and sub-directory capacity (k ). 16 disk management # fdisk-l view system partition information 17 disk management # fdisk/dev/sdb for a new SCSI hard disk for partition 18 disk management # mkfs. ext3 Mkfs. ext3/dev/sdb1 is the file system mkfs formatted as ext3 in the first primary partition of the first SCSI hard disk. ext2 Mkfs. ext2/dev/sdb2 format to ext2 File System 19 disk management # mount-t file system type device path access path disk management # file system type Iso9660 optical drive file system vfat File System (windows) mount the optical drive # mount-t iso9660/dev/cdrom/mnt/cdrom mount FAT # mount-t vfat/dev/hda5/mnt/cdrom mount the fifth logical partition of the first ide 17 disk management # Umount/mnt/cdrom unmount/mnt/cdrom is empty 18 file permissions # chmod u + s file is the owner of the file plus special permissions chmod g + r file is file other users whose group has the read permission chmod o + w file and whose write permission chmod a-x file is the file, and whose execution permission chmod 765 file is the file owner. set to full permissions, set owner to read/write permission, other users have read and hold permissions 19 file permissions # chown root/home change/home owner to root user 20 file permissions # chgrp root/home change Group to root group 21 print management # redhat-config-printer-tui enter installation printer interface 22 print management # lp-d hptr file print file to hptr printer 23 print management # lpq Lpq-P printer name view printer status 24 print management # lprm Lprm-P printer name a delete print jobs in the printer 25 print management # disable Disable-r "changing has been stopped "HPtr disables the printer and prompts reason 26 print management # enable Enable HPtr re-enables disabled 27 user management # useradd Useradd creates a new user 28 user management # groupadd Groupadd group name create a new group 29 user management # passwd Passwd user name create password 30 user management # Passwd-d user name delete user password can also log on to 31 user management # Passwd-l Passwd -l user name lock account password 32 user management # Passwd-u user name unlock account password 33 user management # Passwd-S user name query account password 34 user management # Usermod- l Usermod-l new username old username changed to user name 35 user management # Usermod-L need to lock username lock User Login 36 user management # Usermod-U unlock username unlock user Login 37 user management # Usermod-u 501 username Change User UID 38 user management # Userdel-r username delete user all 39 user management # Groupmod-n New old user name is changed to group name 40 user management # Groupmod-g 501 Group Name Change Group GID 41 user management # groupdel Groupdel group name should be deleted first its users Delete Group 42 users management # gpasswd-a username group name Add users to group 43 user management # Id username query user information 44 software management # rpm-qa | less query installed RPM 45 software management # rpm-qa | grep ftp query specified RPM 46 software management # rpm-q installed RPM package check whether 47 software management is installed # rpm-q telnet -server View telnet server package 48 software management # rpm-qi package name View Software Description 49 software management # rpm-ql package name query the package file list 50 software management # rpm-qf software package name query Software Package 51 Where a file belongs # rpm-qp software package full name query uninstalled software package information 52 software management # rpm-e package name delete specific package 53 software management # rpm-U rpm-Uvh package full name upgrade package and display process 54 software management # rpm-ivh package full name installation package and display process 55 software management # rpm-V package name verification package size, type, etc. 56 software management # tar-c create package-x release package-v display command process-z represents compressed package 57 software management # tar-cf tar-cvf benet.tar/home/benet /home/benet directory packaging 58 software management # tar-czf tar-zcvf benet.tar.gz/mnt package the Directory and compress 59 software management # tar-tf benet.tar to view non-compressed files list 60 software management # tar-tzf tar-tf benet.tar.gz view compressed package file list 61 software management # tar-xf benet.tar file recovery 62 software management # tar-zxvf unzip the files in the tar-zxvf benet.tar.gz package and restore them to 63 software management # tar-jxvf benet.tar.bz2 64 software management # diff file1 file2> patch name. patch 65 software management for new and old files # diff file1 file2 comparison of two files 66 software management # Patch file patch name. patch 67 software management #. /configure -- prefix =/usr/local/configure 68 software management before compilation # make compilation 69 software management # make install compiled source code package 70 start management # reboot Init 6 restart LINUX System 71 start management # Halt Init 0 Shutdown-h now disable LINUX system 72 start management # runlevel display system running level 73 start management # Init [0123456] change system running level, 7 kinds of 74 startup management # Chkconfig -- list [service name] view service status 75 startup management # Chkconfig -- level <running level> <service name> on | off | set the Service's startup status 76 startup management # Chkconfig <service name> on | off | set non-independent service startup status 77 Process Management # Top dynamic Ps-aux static process tree pstree view system process 78 Process Management # program name & background running program 79 Process Management # fg transfers background running processes back to foreground 80 Process Management # bg transfers foreground running processes to Background 81 Process Management # renice Renice + 1 180 180 process priority plus 1 82 Process Management # kill Kill PID terminate a PID process 83 Process Management # at 5 + 3 days/bin/ls specify three days after execution/ bin/ls 84 Process Management # crontab Crontab-e use VI to edit Automatic periodic task 85 Process Management # crontab Crontab-l view Automatic periodic task 86 Process Management # crontab Crontab-r delete Automatic periodic task 87 Process Management # crond Service crond <start | stop | restart | status> start automatic cycle now ** Service crond <start | stop | restart | status>