Because it depends on fewer libraries, it is therefore less likely to be affected by an upgrade problem or a disk failure. Bash bash extends the bourne shell with commandline history and completion, indexed and. Other shells available on a machine or available for download andor purchase include almquist shell, powershell, z shell, a particularly common enhanced kornshell, the tenex c shell, a perllike shell. Almquist shell also known as a shell, ash and sh is a lightweight unix shell originally written by kenneth almquist in the late 1980s. Bash is an shcompatible shell that incorporates useful features from the korn shell ksh and c shell csh. In makefiles, you can set the following variable at the top. Almquist shell filled the need for a free shell to replace bourne shell. Rpm resource dashstatic dash is a posix compliant shell that is much smaller than bash. Bourne shell derived from the debian almquist shell coreuxsh. It can be usefully installed as binsh because it executes scripts somewhat faster than bash, or as the default superuser shell. If a script works with almquist shell, it will probably also work with bash, pdksh and zsh. What links here related changes upload file special pages permanent link page. It features an mdi interface, and provides options for spawning different terminal styles. If you have to download a file from the shell using a url, follow these steps.
In this case, you must execute the wget command using option b option, and monitor the download status in the wgetlog file, where the download process will get logged. It can be installed as binsh or as the default shell for either root or a second user with a. Further, it will probably work with ksh93 unless it uses local, which ksh93 lacks. Debian details of package dash in sid debian packages.
Combine jpg and mp3 to mp4 using filemanageractions and shell script. A large number of shell instances are started as part of the ubuntu boot. Wget is a popular and easy to use command line tool that is primarily used for noninteractive downloading files from the web. Openwrt does also include a ssh client ssh and a telnetclient telnet, in case you want to. Source is available for all variants, except for bsdos. When downloading a huge file, you may prefer to continue download process in the background and make use of the shell prompt while the file gets downloaded. After i had repeatedly wondered how all those ash variants might be related, and had found hardly any information, i had a look at the variants i know. The debian almquist shell dash is a posixcompliant shell derived from ash. Almquist shell is the default shell, binsh, of some systems. This docker image contains only a static version of dash the debian almquist shell. Since it executes scripts faster than bash, and has fewer library dependencies making it more robust against software or hardware failures, it is used as the default system shell on debian systems. For many years, sh was the default unix shell, and it inspired successors like gnus bash, and the almquist shell ash currently in use by freebsd, netbsd, debian and ubuntu as dash, and busybox. Almquist shell is a lightweight unix shell originally written by kenneth almquist in the late.