The usual Linux commands

Some commands, if not commonly used, always remember, often used to check, hereby will be recorded in some of the commands here:

(1) Tar

Extract:

TAR-XVZF filename.tar.gz                 Decompression filename.tar.gz to the current folder-C can specify the extracted directory TAR-XVJF filename.tar.bz2                decompression filename.tar.bz2 To the current file tar-xvf Filename.tar                     unzip Filename.tar to the current folder (the tar end means not compressed) Unzip Filename.zip                        unzip Filename.zip to the current folder- D can specify the extracted directory

Compression:

Tar-cvzf filename.tar.gz.               Use gzip compression TAR-CVJF filename.tar.bz2 files and folders in the current directory  .              Use bzip2 to compress the zip file.zip.                            Using ZIP compression

(2) Number of statistical files (excluding hidden files/folders)

Ls-l | grep "^-" | Wc-l                  count the number of files in the current directory LS-LR | grep "^-" | Wc-l statistics the number of files in the               current directory, including ls-l in subdirectories | grep "^d" | Wc-l                Statistics the number of folders (that is, directories) in the current directory Mesh LS-LR | grep "^d" | Wc-l              Statistics The number of folders (that is, directories) in the current directory, including subdirectories

The usual Linux commands