Bawo ni MO ṣe yi ọna asopọ aami pada ni Linux?

Lẹhinna, awọn ọna mẹta wa lati yi symlink pada:

  1. Lo ln pẹlu -f agbara ati paapaa fun awọn ilana -n (inode le tun lo): ln -sfn / diẹ ninu / tuntun / orukọ ọna asopọ.
  2. Yọ aami asopọ kuro ki o ṣẹda tuntun kan (paapaa fun awọn ilana): rm linkname; ln -s / diẹ ninu awọn / titun / ọna ọna asopọ.

Rara. Ipe eto symlink yoo da EEXIST pada ti ọna tuntun ba wa tẹlẹ. O le sopọ nikan lati oju ipade tuntun kan ninu eto faili naa.

What happens to symlink if we rename a file ? Once you move a file to which symlink points, symlink ti baje aka dangling symlink. You have to delete it and create new one if you want to point to the new filename.

Since symbolic links do not have modes chmod has no effect on the symbolic links. If file designates a directory, chmod changes the mode of each file in the entire subtree connected at that point. Do not follow symbolic links. Since symbolic links do not have modes chmod has no effect on the symbolic links.

Lati yọ ọna asopọ aami kuro, lo boya rm tabi pipaṣẹ asopọ kuro ni atẹle nipasẹ orukọ symlink bi ariyanjiyan. Nigbati o ba yọ ọna asopọ aami kan ti o tọka si itọsọna kan maṣe fi slash itọpa kan si orukọ symlink.

Idi ti awọn ilana ọna asopọ lile jẹ ko si aaye jẹ imọ-ẹrọ diẹ. Ni pataki, wọn fọ eto eto-faili naa. O yẹ ki o ko lo awọn ọna asopọ lile lonakona. Awọn ọna asopọ aami ngbanilaaye pupọ julọ iṣẹ ṣiṣe kanna lai fa awọn iṣoro (fun apẹẹrẹ ọna asopọ ibi-afẹde ln-s).

Lati ṣẹda ọna asopọ aami kan, lo aṣayan -s (-aami).. Ti a ba fun FILE ati LINK, ln yoo ṣẹda ọna asopọ kan lati faili ti a sọ pato gẹgẹbi ariyanjiyan akọkọ ( FILE ) si faili ti a pato gẹgẹbi ariyanjiyan keji ( LINK ).

If a symbolic link is deleted, its target remains unaffected. If a symbolic link points to a target, and sometime later that target is moved, renamed or deleted, the symbolic link is not automatically updated or deleted, but continues to exist and still points to the old target, now a non-existing location or file.

Lati wo awọn ọna asopọ aami ninu itọsọna kan:

  1. Ṣii ebute kan ki o gbe lọ si itọsọna yẹn.
  2. Tẹ aṣẹ naa: ls -la. Eyi yoo ṣe atokọ gigun gbogbo awọn faili inu ilana paapaa ti wọn ba farapamọ.
  3. Awọn faili ti o bẹrẹ pẹlu l jẹ awọn faili ọna asopọ aami rẹ.
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