How to Use Which Command in Linux Let’s explore some examples to see how which command works in real use cases: Example 1: Locate the Path of an Executable We can use the which command to determine where a com
Next, insert a command line inside Vim to issue the save command. Focus on the lower left corner of Vim and press the:key. A command prompt will appear. Press w, which means "write," to save your changes. Use this command frequently to save changes to your file. Use the command:qto...
Don’t worry, I’ll show you how to run AppImage in detail. I am using Ubuntu 22.04 in this AppImage tutorial, but you can also use the same steps on other Linux distributions. After all, the entire point of AppImage is to be independent of the distributions. 💡 AppImage works on FU...
Most modern Linux systems usesystemd–aninitsystem and service manager for controlling daemons. It is a drop-in replacement for older distributions’ init processes. Systemd has thesystemctlcommand, which lets users manage their system and service configurations. For example, use it to list all un...
The components are arranged in groups that form network layers, which stack on top of each other in order to form a complete system. The Linux kernel handles networking in a similar way to the SCSI subsystem described in Chapter 3. 计算机通过使用一系列组件来回答这些问题,每个组件负责发送、接收...
Chapter 01How to Use the help Command in Linux Chapter 02How to Use the man command in Linux Chapter 03How to use the info and pinfo commands in Linux Conclusion Linux shell provides two types of commands: internal and external. Internal commands are part of the shell. External commands ar...
experienced sysadmin. If you've ever asked, "how to switch to root user Linux," or you're specifically looking to switch to root user Ubuntu 20.04, this guide will walk you through all the best methods on how to switch to root user in Linux terminal, use cases, and security practices....
Finally, you can specify a set of default permissions with the umask shell command, which applies a predefined set of permissions to any new file you create. In general, use umask 022 if you want everyone to be able to see all of the files and directories that you create, and use umask...
The name under the CMD section shows the shell currently being used as demonstrated above, which in this case is the bash shell. Method 2: Use the echo “$SHELL” Command This command utilizes the echo command to display the path of the “SHELL” variable on your terminal. The working of...
10. Search a string in Gzipped Files Deserving some mention are grep’s derivatives. The first iszgrep, which, similar tozcat, is for use ongzippedfiles. It takes the same options asgrepand is used in the same way: # zgrep -i error /var/log/syslog.2.gz ...