The alias command is used to customize the shell environment by generating command-line aliases. Aliases are shorthand for longer expressions. Using aliases, you can create a short string that represents a longer command with various options and arguments. For example, you can create an alias called myls that executes the ‘ls – al’ command. The […]
alias Command Examples in Linux
The alias command is used to customize the shell environment by generating command-line aliases. Aliases are shorthand for longer expressions. Using aliases, you can create a short string that represents a longer command with various options and arguments. For example, you can create an alias called myls that executes the ls – al command. The […]
How to Install gnome-session-wayland software package in Ubuntu
GNOME is a desktop environment that aims to be simple and easy to use. It is designed by The GNOME Project and is composed entirely of free and open-source software. The default display is Wayland instead of Xorg. Wayland Wayland is both a display server and its reference implementation in Unix-like operating systems that is […]
env: command not found
The env command is used to run a command with modified environment variables. By supplying the name of a variable and a value in the key–value pair format, as well as supplying a command to run, you can change the value of the specified variable for that particular command session. If the variable does not […]
pwck Command Examples in Linux
The pwck command checks the integrity of /etc/passwd and /etc/shadow, and grpck checks /etc/group and /etc/gshadow. They look for correct format, valid data, valid names, and valid GIDs (see the man pages for a complete list). When you run these with no options, they report both warnings and errors: $ pwck user ‘news’: directory ‘/var/spool/news’ […]
export: command not found
You can effectively change a shell variable into an environment variable by using the export command. For example, if you have a shell variable SHL_VAR, you can enter export SHL_VAR to make it an environment variable. You can also change the value of a variable while exporting it, including existing environment variables. You can do […]
md5sum: command not found
The md5sum command is used to calculate the hash value of a file or standard input using the MD5 hash function. You can also use the -c option to specify a file containing MD5 hashes and the file names they apply to; md5sum will calculate the hashes of the files listed, and then compare them […]
md5sum Command Examples in Linux
The md5sum command is used to calculate the hash value of a file or standard input using the MD5 hash function. You can also use the -c option to specify a file containing MD5 hashes and the file names they apply to; md5sum will calculate the hashes of the files listed, and then compare them […]
zip Command Examples in Linux
The zip command is another compression utility, but unlike gzip, xz, and bzip2, it also features file archiving functionality. In fact, zip is a combination of an older compression utility called compress and the tar archive command. Files compressed with zip frequently have the .zip file extension. The zip command has several options. Option Used […]
xz: command not found
The xz command is a data compression utility, similar to gzip, that reduces the size of selected files and manages files in the .xz file format. The xz command has several options. Option Used To -d Decompress a file. -f Force compression or decompression of a file even if it has multiple links or if […]