How to Use the Who Command in Linux
The “who” reveals users who is currently logged in the system. It shows some information such as the username, the timestamp, and the IP address. …
The “who” reveals users who is currently logged in the system. It shows some information such as the username, the timestamp, and the IP address. …
It’s quite similar to “man” except this command only prints the one line description of the given command. It’s handy to get what’s the comm…
The “top” command reveals the process running in the operating system. It shows the process id or PID for short, the user running the process, the…
The “tar” command stands for “tape archive” and the basic Unix command to archive files. By default the command will save the archive in a .ta…
A utility command in Linux to view a portion of file content. It can be used to view the beginning, the end or specific line of the file. General synt…
Stands for substitute user. This command is used to switch user and lets exceuting command with the privilage of that user. It simplifies, typically f…
Stands for “Stream Editor”. “sed” is a utility command that take file content or standard input (stdin) and modify the output through RegEx pa…
This command is used to create a new session inside your current session. It typically is used to run long-running process. The process will continue …
This command is used to remove files. It can also be used to remove directories when it’s invoked with the -r option. Alternatively, check the rmdir…
Stands for the print work directory. This command will output the full path of the current current directory. It only takes a couple of options -P and…
The ping command is handy utility command to quickly test network connections. It sends a packet of data to a specific IP address or hostname and show…
Short for “make directory”. As the name implies, this command is used to create a new directory when it does not exist. It will warn you when crea…