The alias built-in in shells, used to define shortcuts for frequently used commands.

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5
votes
1answer
42 views

What are the side effects of having several UNIX users share one UID?

The sys-apps/shadow package on my GNU / Linux system comes with a useradd command that supports an option that I have previously overlooked: --non-unique. For the sake of convenience when shellig home ...
3
votes
1answer
33 views

Customize bash to always include a certain parameter

When using the "ls" command, bash prints in the following format: file1 file2 file3 file4 file5 file6 file7 file8 But when given the parameter "-1", it prints: file1 file2 file3 etc... Is there ...
7
votes
5answers
152 views

How can I “stack” shell aliases?

In my .profile (sourced in sh emulation mode from my .zshrc) I have the following snippet: if [ -f /usr/bin/pacmatic ]; then alias pacman=pacmatic fi # Colorized Pacman output alias ...
1
vote
0answers
14 views

sticky alias command [duplicate]

I want to have the alias inst to be used instead of installpkg /tmp/ and then install packages by inst <pkg name>. But in normal alias define, We can not stick alias name to the package name and ...
6
votes
2answers
262 views

Mailman / Postfix Configuration Assistance

I am writing for some help regarding Postfix configuration. I cannot seem to get Postfix configured properly to transfer mail to the mailing list installed on the same server. I followed many steps ...
0
votes
2answers
52 views

How to create a permanent alias without resourcing the .bashrc-like file?

I really like bash aliases, it annoys me that every time I want to add a new alias I have type two commands: echo "alias \"short-cmd\"='long-command'" >> ~/.bash_aliases source ~/.bash_aliases ...
0
votes
3answers
54 views

Assigning a command to variable

I assign command ls to my variable my_File but when I run it as $my_File it does not work. Can you please explain why? #!/bin/bash my_File='ls -f | grep -v '\/'' $my_File
2
votes
3answers
144 views

Simplified navigation in terminal

I know IDEs are the wave of the future, but I always find myself coding in vim in a Linux terminal. Old dog. New tricks. Anyway, navigation becomes challenging when dealing with long package names. ...
0
votes
1answer
262 views

Why alias does not work in AIX (korn shell, .profile)?

I have these files in my home directory: drwxr-xr-x 3 meuser staff 256 Oct 12 13:11 . drwxr-xr-x 102 bin bin 4096 Sep 30 12:28 .. -rw------- 1 meuser staff ...
0
votes
0answers
37 views

SUSE Linux 12 - configuring IP alias

I want to setup an IP address alias on a network card. I created a file /etc/sysconfig/network/ifcfg-ens160 and its contents are: BOOTPROTO='static' STARTMODE='onboot' IPADDR='192.168.0.113' ...
18
votes
1answer
1k views

Aliases vs functions vs scripts

This site says, "Shell functions are faster [than aliases]. Aliases are looked up after functions and thus resolving is slower. While aliases are easier to understand, shell functions are preferred ...
0
votes
0answers
23 views

User made host aliases [duplicate]

I would like to set up aliases for hosts /etc/hosts style, but I don't have root privileges. Would I be able to set these up from within my /home directory? How?
4
votes
2answers
221 views

how to make alias to make grep command shorter [duplicate]

In my coding, I always do grep -rnIi "abcabc" . --color But, how to make an alias that can let me type only one word with my search string? Is that possible?
5
votes
3answers
205 views

How to alias cp with cp -i by default

Is there a good way to alias the command cp file1 file2 to cp -i file1 file2? Apologies if this is a dumb question, I'm a Unix novice.
2
votes
3answers
62 views

How to alias a command with '

I wanted to make an alias turn caps lock off: python -c 'from ctypes import *; X11 = cdll.LoadLibrary("libX11.so.6"); display = X11.XOpenDisplay(None); X11.XkbLockModifiers(display, c_uint(0x0100), ...
7
votes
2answers
7k views

How can I install the `ll` command on Mac OS X?

I'm using Mac OS X. When I SSH into servers I find the ll command useful, but it's not available on my local machine. How can I install it?
2
votes
4answers
70 views

Defining aliases for a certain directory

Is there a way to have an alias set for a particular directory and its subdirectories? I know I can put it in my .bashrc file, but I would like it only for a certain directory. Edit: what i mean is ...
1
vote
1answer
24 views

Email server with automatic + sign aliases?

Is there currently a Linux email server that will allow me to replicate how Gmail or Outlook allow aliases. i.e. with Hotmail (which is now Outlook) or Gmail I can sign up on a site and use ...
1
vote
1answer
74 views

How to pass arguments to 'source' command?

My source command in the CShell goes like this : source /directory/of/script/script.csh The script.csh executes and in between, waits for my password to confirm the identity. I am tired of typing ...
76
votes
12answers
23k views

How to have tail -f show colored output

I'd like to be able to tail the output of a server log file that has messages like: INFO SEVERE etc, and if it's SEVERE, show the line in red; if it's INFO, in green. What kind of alias can I ...
137
votes
10answers
12k views

In Bash, when to alias, when to script, and when to write a function?

It's taken me almost 10 years of Linux usage to ask this question. It was all trial and error and random late-night internet surfing. But people shouldn't need 10 years for this. If I were just ...
3
votes
2answers
53 views

How can I make shell aliases available when shelling out from Vim?

In my .zshrc, I declare some aliases. Eg, which dbstart shows the contents of that alias. If I open vim from that shell, it is a child process. In Vim, I can run shell commands with :! some_command. ...
1
vote
4answers
83 views

How to add an alias without directly editing the `bash_aliases` file?

Is there a way to add an alias from the command line without directly editing the bash_aliases file? To clarify, how can I make a bash script do it without having to enter something along the lines of ...
1
vote
0answers
46 views

Why is Apache not respecting aliased directories?

In ssl_default.conf where Apache serves as an SSL-adding proxy for Django Gunicorn, I have: ... Alias /admin/static/ "/usr/lib/python2.7/dist-packages/django/contrib/admin/static/" ...
2
votes
3answers
42 views

how to prevent alias expansion by `eval` to an arbitrary alias, and keep the endless loop protection on a function?

IMPORTANT: do not use eval! (I learned this later..) In a function, eval expands sleep to its alias, so I prevent the endless loop this way: function FUNCexecEcho() { echo "EXEC: $@"; shopt -u ...
2
votes
2answers
27 views

copying from a remote server to my hdd with alias or reducing long file paths

I want to copy files from a remote server to my desktop and vice versa. However, the issue is, my files to be copied from the server have quite long file paths with at least 7-8 subfolders which are ...
0
votes
1answer
31 views

create an alias that runs a command with string replacement from arguments [duplicate]

I'm trying to write a couple of shortcut aliases to quickly navigate to the httpdocs folders of the various domains and subdomains on my server. basically so I can type something like: $ pwd / $ # ...
1
vote
1answer
50 views

Alias for redirecting both standard output and standard error, as well as sending to background [duplicate]

I am trying to create an alias for redirecting both standard output and standard error of gedit to /dev/null, whilst sending the command to background. This works: $ alias gedit='gedit $1 > ...
1
vote
1answer
59 views

Getting sudo to work for an alias

I installed Sublime Text 3 in Fedora 20 which has got GNOME, as I couldn't get it being called from terminal I created a .bash_aliases file which a line like this: alias sublime='sublime_text' And ...
1
vote
1answer
69 views

.bash_profile alias escape quotes?

On the rare occasion I use the command line, I usually forget syntax. This is one of those times. I want to add a simple alias to my .bash_profile but no matter what quote method I use, I get an ...
20
votes
4answers
2k views

Automatically detect when I typed “vi” but meant “cd”?

Title says it all. About 5 times a day, I type "vi" when I meant "cd", and end up opening a directory in vi. It's making me NUTS. It seems like there should be a way to detect when I type in "vi + ...
5
votes
2answers
178 views

l, ls & la — what are the differences, and are there more of these commands?

So, through typing several commands I've found that there's not only ls, but l and la too. There doesn't appear to be any man entries on Ubuntu 12.14. They all appear to do similar things with minor ...
2
votes
1answer
74 views

BASH_ALIASES not equal to alias

I've just recognized that (in Debian 7, within Bash 4.2.37) the output of BASH_ALIASES isn't equal to that of alias – which, according to gnu.org's Bash Manual, should be the case: ...
3
votes
2answers
92 views

Command substitution interpreting spaces within quotes as argument separators

I'd like an alias that additionally appends itself to ~/.bashrc, e.g. function tailias { $(echo "alias $1='${*:2}'" | tee -a ~/.bashrc) } I'm using tee to split the command to ~/.bashrc while ...
2
votes
1answer
61 views

How to make an alias active in both current session and in .bashrc at same time?

I just found frequently I decide to add an alias for longer time use at the same time use it now. So I have to type the same thing twice, first in current bash session then .bashrc.
1
vote
1answer
67 views

how to check if the kernel support for ip alias?

it surprisingly that I get no explicit results when I googled "kernel ip alias support", and I have looked up the linux network administrator, 3rd edition, it says: check that you have a ...
3
votes
4answers
592 views

How to add system alias?

I have this alias in my .zshrc: alias grim='gvim --remote' But this is not seen from ranger file manager, I believe that ranger runs a 'generic' shell skipping my .zshrc. I want to make this alias ...
67
votes
6answers
2k views

Run a command that is shadowed by an alias

Let's say i have the following alias in bash - alias ls='ls --color=auto' - and i want to call ordinary ls without options. Is the only way to do that is to unalias, do the command and then alias ...
6
votes
2answers
455 views

What commands have -h human readable option, and how can I enable it by default w/env variable?

I'm tired of using aliases or typing -h. I want human readable output 24/7. Is there a way to enable it all the time for all commands that offer it?
7
votes
1answer
244 views

Can rm recursively remove empty directories?

In an old version of Unix, the rm command would delete directories if they were empty. From the Research Unix Eighth Edition man page for rm: "If an entry is a directory it is removed only if empty." ...
5
votes
2answers
145 views

Why does !! inside an alias not work?

I have this alias set in my system /etc/bashrc file: alias root="sudo !!" The intention of this being to run the last used command using sudo of course. When used, it of course appears to ...
1
vote
1answer
193 views

ssh into a server using .ssh/config alias & run an alias on the server in the same time

On my laptop Inside ~/.ssh/config file I have this: Host <serverAlias> HostName 127.0.0.1 #Server IP User <username> PreferredAuthentications publickey IdentityFile ...
1
vote
0answers
25 views

Use an alias with watch command [duplicate]

The post repeat command every x seconds shows that watch is the utility that is useful for the invoking a command at fixed interval repeatedly. Now, I have very long commands, and have used aliases ...
3
votes
1answer
69 views

code review: automatic completion for bash aliases

I was reading How do I get bash completion for command aliases? and I thought, that the answer Shawn J. Goff needed a little something: less user setup so I wrote a little script that is intended to ...
0
votes
1answer
97 views

Using alias in another script (ksh)

I'm writing a ksh script, and I'd like to use a command define by an alias in my .profile file, in my script. I tried this command in the folder containing my script, and it works. However, in my ...
1
vote
2answers
106 views

.bashrc execute command after “/bin/bash --login”

I have this alias in my .bashrc: alias s='cd ~/Documents/projects/s && /bin/bash --login && rvm use ruby-1.9' How can I execute the right part after it enters login shell (/bin/bash ...
1
vote
1answer
40 views

How to print a partial list of alias definitions in tcsh?

I'm working on Fedora 18 with tcsh on a network with a lot of pre-defined aliases. I'm adding my own personal aliases as well, but I want to be able to display these in a separate list. Right now I ...
1
vote
1answer
45 views

Making an alias which maps arguments to the middle of the command

I want to alias killapp X to pidof X | xargs kill or kill `pidof X`, but I can't think of a way to do this with just an alias on killapp. How could I do this so I don't have to do killapp X` ?
2
votes
3answers
93 views

How to create a function based on commands not defined yet?

I have some scripts (that are out of my control) that loads some environment settings to my session. So whenever I want to load I have to execute a series of commands: export ...
2
votes
2answers
31 views

alias for 'emacs /usr/local/nagios/etc/objects'

I'm trying to get the following working: alias banana='emacs /usr/local/nagios/etc/objects/' So i want to just type "banana firewall.cfg" to edit this ...