all linux commands

commands 1. display the current absolute path and run the following command: Pwd 2. Change the current directory. For example, run the following command: Cd/etc/yum The current directory will be changed to/etc/yum. 3. Return to the parent directory of the current directory and execute the following command: Cd .. 4. Create a directory. For example, run the following command: Mkdir/usr/tigger 5. Delete the directory. For example, run the following com

parameters (only applicable to IDE devices) # Dmesg | grep IDE # view the IDE device detection status at startup Network # Ifconfig # view the attributes of all network interfaces # Iptables-L # View firewall settings # Route-n # view the route table # Netstat-lntp # View all listening ports # Netstat-antp # View all established connections # Netstat-s # View n

The following describes the basic Linux Command df and the du command parameters in linux. I hope this will be helpful for your learning. Df command parameters in linux: the df command parameters in linux are used to view the status information of the Linux File System and d

understand the single-user multi-tasking and multi-user multi-tasking concept;1, Linux Single-user multi-tasking;Single user multitasking; For example, when we log into the system with Beinan, I want to open gedit to write the document, but in the process of writing the document, I feel less music, so open the Xmms to some music, of course, listen to some music, MSN still have to open, want to know what a few brothers are doing now, Like this, I am u

The following 13 commands are the most common file processing commands in Linux. The following 13 commands are the most common file processing commands in Linux. 1) Linux file processin

=" Image025.png "alt=" Wkiom1l5qzqb2ck-aae02uch_4u103.png "/>(3)hash-d nameDeleteHashNow we will delete the cached pwd in the hash , and the name we need to enter when we delete It is the alias we found with hash-l . 650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M01/9D/14/wKioL1l5qzuBYp6QAAC5QHVv0zU321.png "style=" float : none; "title=" Image026.png "alt=" Wkiol1l5qzubyp6qaac5qhvv0zu321.png "/>you can see that the PWD is not in the list . then we look at the type of PWD and find that

Reprinted from 70312034(1) Input command(2) execution effect (because it has been updated so that all packages are up-to-date, otherwise the number of packages that need to be updated is displayed)(3) Input command(4) Performance: None (due to the update, the command line during execution to ask whether to download y/n, enter Y to confirm the download, the system will download the package and configuration, waiting time depending on the need to instal

if the compressed file is a very large case.Tar command-Function Description: File package and unpacking.-Command format: tar [parameters] -Common parameters:-F Name: Use name to specify the archive file name or device name.-V: Lists processing details.-C: Used to create a new archive file.-X: Restore the backup file from the archive file.-T: Used to list the file names in an archive file.-Z: Compress files or unzip with GNU Gzip.-Z: Compress files or unzip with compress.-j: Compress files or u

During the learning process of the Linux system, you will know a lot of commands. Remembering these commands will greatly improve your understanding of the Linux system. You may see the grep command. Here we will introduce the knowledge of the grep command. 1. RoleIn Linux,

We all know: The reading of files in the computermemory > Cache > HDDThe alias in Linux is to simplify the input of certain commands, and in the terminal inputaliasCan query the system exists alias, the user can also customize the alias, specifically:Alias aliases = ' Command '[[emailprotected] ~]# alias hist=‘history‘[[emailprotected] ~]# hist 1 alias hist=‘

1. display file information ls list-L long to View Details-D. view directory properties.-A all: view all files, including hidden files.Drwxr-XR-x 2 root Root 4096 Jul 4 12:582 indicates the size of the group file to which the number of hard links belongs. It is not the exact creation time or last modification time.A data block contains 512 bytes. The file system is the smallest unit for data storage.The sma

of timestamps for-gnu/linux files:Mtime: Last Modification Time (LS–LT)CTime: State Change Time (LS–LC)Atime: Last Access Time (LS–LU)Attention:1. CTime is not a file creation time.2. Overwriting a file will change all three classes of time: Mtime, CTime, and Atime.3. Changing the access rights or the owner of the file will change the CTime and atime of the file.4. Reading a file will change the atime of t

In linux, ifconfig, shutdown, and other commands cannot use the _ enable Shell command Java code. why cannot I use the ifconfig command in RedHatLinux5? after installing RedHatLinux5, I use some commands on the terminal, such: ifcinfig view local machine... In linux, commands