安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- What is the difference between ~ . profile and ~ . bash_profile?
bash will try to source bash_profile first, but if that doesn't exist, it will source profile 1 Note that if bash is started as sh (e g bin sh is a link to bin bash) or is started with the --posix flag, it tries to emulate sh, and only reads profile Footnotes: Actually, the first one of bash_profile, bash_login, profile; See also:
- What does :source % mean? - Unix Linux Stack Exchange
The :source % command, when used on the ~ vimrc configuration, will reload the config You can achieve the same effect by quitting and restarting Vim, but this is faster Note that your Vim configuration needs to be cleanly written for that to work
- when running activate on tcsh - Unix Linux Stack Exchange
source venv bin activate csh The various activate scripts are written for specific shells, and the variant without a suffix is for bash or sh-like shells The activate csh script is for csh and tcsh There is also an activate fish script for the fish shell and Activate ps1 for PowerShell users
- shell - What is the difference between sourcing (. or source) and . . .
$ file # that exact same file as above, now it is sourced $ source file # an equivalent (but longer) command Of course, if the directory is not set in the path (not starting dot), some searching will be involved to find the specific file to be sourced In bash:
- diagnosing chronyc sources unusable - time wont sync
# Record the rate at which the system clock gains losses time driftfile var lib chrony drift # Allow the system clock to be stepped in the first three updates # if its offset is larger than 1 second makestep 1 0 3 # Enable kernel synchronization of the real-time clock (RTC) rtcsync # Enable hardware timestamping on all interfaces that
- Is there a way to download pure Unix?
You can trace UNIX from there to either (closed-source) System V UNIX or BSD If you want to go down the BSD path, FreeBSD is a good option For a System V-like system, your only real free option would be OpenSolaris But nowadays, Linux is as pure a unix-like system as any, with its own, even messier heritage (You can get a taste of it here )
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