From 712acee81f0ecb40c8404e7c550b0294eaf55687 Mon Sep 17 00:00:00 2001 From: mudongliang Date: Mon, 24 Oct 2016 21:46:07 -0400 Subject: [PATCH] trivial fix --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 42f45d9..9cd79cb 100644 --- a/README.md +++ b/README.md @@ -113,7 +113,7 @@ Notes: - See also `lsof` for open sockets and files. -- See `uptime` or `w` to know the how long the system has been running. +- See `uptime` or `w` to know how long the system has been running. - Use `alias` to create shortcuts for commonly used commands. For example, `alias ll='ls -latr'` creates a new alias `ll`. @@ -193,7 +193,7 @@ Notes: - For running a command as another user, use `sudo`. Defaults to running as root; use `-u` to specify another user. Use `-i` to login as that user (you will be asked for _your_ password). -- For switching the shell to another user, use `su username` or `su - username`. Include the `-` to get an environment as if the user just logged in. Omitting the username defaults to root. You will be asked for the password _of the user you are switching to_. +- For switching the shell to another user, use `su username` or `su - username`. The latter with "-" gets an environment as if another user just logged in. Omitting the username defaults to root. You will be asked for the password _of the user you are switching to_. - Know about the [128K limit](https://wiki.debian.org/CommonErrorMessages/ArgumentListTooLong) on command lines. This "Argument list too long" error is common when wildcard matching large numbers of files. (When this happens alternatives like `find` and `xargs` may help.)