diff options
| -rw-r--r-- | chapter05/gzip-exp.xml | 16 | ||||
| -rw-r--r-- | chapter05/gzip.xml | 1 | ||||
| -rw-r--r-- | index.xml | 1 |
3 files changed, 18 insertions, 0 deletions
diff --git a/chapter05/gzip-exp.xml b/chapter05/gzip-exp.xml new file mode 100644 index 000000000..ceabd4d47 --- /dev/null +++ b/chapter05/gzip-exp.xml @@ -0,0 +1,16 @@ +<sect2> +<title>Command explanations</title> + +<para><userinput>cp $LFS/usr/bin/gunzip $LFS/usr/bin/gzip $LFS/bin && +rm $LFS/usr/bin/gunzip $LFS/usr/bin/gzip:</userinput> The reason we don't +simply use <quote>mv</quote> to move the files to the new location is +because gunzip is a hardlink to gzip. On older distributions you can't +move a hardlink to another partition (and it's very possible that $LFS and +$LFS/usr are seperate partitions). With more recent distributions this +isn't a problem. If you run mv to move hardlinks across partitions it'll +just do a regular <quote>cp</quote> and discard the hardlink. But, we +can't assume that every host distribution has a new enough kernel and +fileutils that works this way.</para> + +</sect2> + diff --git a/chapter05/gzip.xml b/chapter05/gzip.xml index 9ae7efa96..0155e02e1 100644 --- a/chapter05/gzip.xml +++ b/chapter05/gzip.xml @@ -6,6 +6,7 @@ Estimated required disk space: &gzip-compsize-static;</screen> &c5-gzip-inst; +&c5-gzip-exp; &aa-gzip-desc; &aa-gzip-dep; @@ -166,6 +166,7 @@ <!ENTITY c5-grep-inst SYSTEM "chapter5/grep-inst.xml"> <!ENTITY c5-gzip SYSTEM "chapter5/gzip.xml"> <!ENTITY c5-gzip-inst SYSTEM "chapter5/gzip-inst.xml"> +<!ENTITY c5-gzip-exp SYSTEM "chapter5/gzip-exp.xml"> <!ENTITY c5-kernel SYSTEM "chapter5/kernel.xml"> <!ENTITY c5-kernel-inst SYSTEM "chapter5/kernel-inst.xml"> <!ENTITY c5-kernel-exp SYSTEM "chapter5/kernel-exp.xml"> |