Apologies: You see this blog friends because the number of orders a lot of orders are very simple I summed up the specific commands and what this command is to do, the main use is linked to the http://man.linuxde.net/website, Please forgive me. 1. File and Directory Operations Command 1.1 PWD: Displays the current directory 1.2 CD: Switch directory 1.3 Tree: Displays the contents of the directory in a TreeView 1.4 touch: Create an empty folder or modify a file timestamp property 1.5 mkdir: Creating a directory 1.6 CP: Copy files or directories 1.7 mv: Move or rename files or directories 1.8 RM: Delete files or paths 1.9 ls: Displays the contents and properties of the current directory 1.10 ln: Create a hard link with a soft connection 1.11 rmdir: Delete empty directory 1.12 re Adlink: View Symbolic Link File contents 1.13 Find: Find file under directory 1.14 xargs: Convert standard input to command line parameters 1.15 Rename: Rename file 1.16 basename: Show file name or directory name 1.17 dirname : Displaying file and directory paths 1.18 chattr: Changing the extended properties of a file 1.19 lsattr: Viewing extended properties of files 1.20 file: Shows the type of file 1.21 md5sum: Calculate and verify the MD5 value of a file 1.22 chown: Change the file or directory Users and user groups 1.23 chmod: Change the permissions of a file or directory 1.24 chgrp: Change the file user group 1.25 umask: Show or set the permission Mask 2. File filtering and Content editing processing commands 2.1 Cat: Merge files or view Files 2.2 TAC: Reverse display of file contents 2.3 More: Pagination shows the contents of the file 2.4 Less: Pagination shows the contents of the file 2.5 head: Show file Contents header 2.6 Tail: Display text Piece content End 2.7 Cut: Extracts a paragraph of text from a file and outputs 2.8 split: Split file 2.9 paste: Merging files 2.10 Sort: text sort 2.11 Join: Merging 2.12 Uniq by the same field of two files: removing duplicate rows 2.1 3 WC: Count the number of rows, words, and bytes of a file 2.14 iconv: encoding format for converted files 2.15 Dos2unix: Convert dos format files to UNIX format files 2.16 diff: Compare two different files 2.17 Rev: Reverse output file content 2.18 tr: replace or remove characters 2.19 od: Display files in different 2.20 tee: Multi-directional 2.21 Vi/vim: Plain Text editor 3. File Handling Three Musketeers 3.1 grep: Text Filtering tool 3.2 sed: Character stream editor 3.3 awk: Text Processing Language 4. Linux information display and search File Command 4.1 uname: Display System Information 4.2 hostname: Displays or sets the hostname of the system 4.3 DMESG: Display Startup Exception Diagnostics 4.4 Stat: Display file or file system Status 4.5 du: Statistics on disk space usage Case 4.6 Date: Displays and sets the time of the system 4.7 Echo: Display a line of text 4.8 Watch: Monitor the execution of a command 4.9 whereis: Show command and its associated file full path 4.10 Which: Displays the full path of the command 4.11 Locat E: Quickly locate file path 4.12 updatedb: Update mlocate database 5. File backup and Compression Command 5.1 tar: Package backup 5.2 gzip: Compress or Unzip files 5.3 Zip: Package and Compress Files 5.4 Unzip: Extract Zip Compressed file 5.5 SCP: Remote file copy 5.6 rsync: File Sync Tool 6. Linux User management and User Information Query command 6.1 useradd: Create user 6.2 Usermod: Modify user Information 6.3 Userdel: Delete User 6.4 Groupadd: Create a new user group 6.5 Groupdel: Delete a user group 6.6 passwd: Modify User Password 6.7 chage: Change the validity period of user name Password 6.8 chpasswd: Bulk Update user name password 6.9 su: Switch user 6.10 sudo: Execute command as another user 6.11 ld: Displays information about users and user groups 6. W: Show logged-in user information 6.13 who: Displays information about logged-on users 6.14 users: Display logged-in user 6.15 WhoAmI: Displays the user name currently logged in 6.16 last: Show user login list 6.17 lastb: Show user Login failed Record 6.18 Lastlog: Shows all users who recently logged on to record 7. Linux disk and File system administration commands 7.1 fdisk: Disk partitioning tool7.2 partprobe: Update the kernel's hard disk partition table information 7.3 parted: Disk partitioning tool 7.4 Mkfs: Creating a Linux File System 7.5 TUNE2FS: Tuning EXT2\EXT3\EXT4 File system Parameters 7.6 dumpe2fs: Exporting ex T2\EXT3\EXT4 File System Parameters 7.7 Resize2fs: Tuning ext2\ext3\ext4 File system parameters 7.8 fsck: Checking and repairing the Linux file System 7.9 DD: Converting or copying Files 7.10 mount: Mount File System 7.1 1 umount: Unmount file system 7.12 DF: report file system disk space usage 7.13 mkswap: Create swap partition 7.14 Swapon: Activate swap partition 7.15 Swapoff: Turn off swap partition 7.16 Sync: Flush File system buffers 8. Linux Process Management Command 8.1 PS: View process 8.2 pstree: Show process Tree 8.3 pgrep: View process for matching criteria 8.4 kill: Terminate process 8.5 killall: Terminate process with process name 8.6 Pkill: End With process name Stop Process 8.7 Top: Real-time display system process resource consumption 8.8 Nice: Adjust program run priority 8.9 Renice: Adjust running process priority 8.10 nohup: User exits system, process continues to work 8.11 Strace: Trace Process system call 8.12 Ltrace: Trace process Call library function 8.13 runlevel: Output current RunLevel 8.14 init: Initialize Linux process 8.15 Service: Manage system service 9. Linux Network Management Command 9.1 ifconfig: Configure or Display network interface Information 9.2 ifup: Activate network interface 9.3 Ifdown: Disable network interface 9.4 route: Display Management routing Table 9.5 ARP: Manages the ARP cache 9.6 IP for the system: Network Configuration Tool 9.7 netstat: View network status 9.8 SS: View network status 9.9 Ping: Connectivity between test hosts 9.10 traceroute: Tracking data transfer routing status 9.11 arping: sending ARP requests 9.12 Telne T: Telnet host 9.13 NC: Multifunctional networking tool 9.14 SSH: Secure telnet host 9.15 WGet: Command-line download tool 9.16 MAILQ: Show message transfer list 9.17 mail: Send and receive messages 9.18 nslookup: Domain name resolution tool 9.19 Dig: Domain name query tool 9.20 Host: Domain name query tool 9.21 NMAP: Network Probe tool and security/Port scanner 9.22 tcpdump: Monitor network traffic 10. Linux System administration Commands 10.1 lsof: View the files opened by the process 10.2 uptime: Shows the uptime of the system and the responsible information 10.3 free: View system memory Information 10.4 iftop: Dynamic display of traffic information for network interfaces 10.5 vmstat: Virtual Quasi-memory Statistics 10.6 MPSTAT:CPU Information Statistics 10.7 IOSTART:I/O information Statistics 10.8 iotop: Dynamic Display disk I/O information Statistics 10.9 SAR: Collect System Information 10.10 chkconfig: Manage boot start service 10. One NTSYSV: graphical management boot service 10.12 ethtool: Query network card parameters 10.13 Mii-tool: Manage network interface status 10.14 dmidecode: Query system Hardware information 10.15 LSPCI: Show all PCI devices 10.1 6 IPCS: Show the status of interprocess communication facilities 10.17 IPCRM: Clearing IPC related information 10.18 rpm:rpm Package management tool 10.19 Yum: Automated RPM Package management tool
Linux common system commands
