123123411計算機系統(tǒng)由硬件系統(tǒng)和軟件系統(tǒng)

機 22打開

/ 建

printworkingdirectory,[majorbio3@localhost~]$★makedirectory,創(chuàng) 用法：mkdir[參數] -p:若路徑中某些 如：mkdir–pdir1/dir2/dir3 ★remove,刪除文件用法：rm參數文件/rm–rf -r:逐級遞歸的將 ★changedirectory,改變當 cd/cd/home cd..切換到上 cd-回到上一次 ★copy,將指定文件 拷貝到另一文件 用法：cp參數cp -r:遞 ★list的簡寫，列 -aall顯示隱藏文件-rsequences.txttestll即lsl-rw-r--r1majorbio3train528772009:22-rw-r--r1majorbio3 972109:28drwxr-xr-x2majorbio3train409672109:28drwxr-xr-x8majorbio3train409672109:28-rw-r--r1majorbio3train528772009:22-rw-r--r1majorbio3 972109:28★ mv參數mv參數[majorbio3@localhostlinux]$mvsequences.txtseq.txt[majorbio3@localhostlinux]$lsseq.txt★VIsualLinux 光標所在的一行。nyy ★catenate,catcat–n-n由1開始對所有輸出行數編號[majorbio3@localhostlinux]$cat-ncatfile1file2file[majorbio3@localhostlinux]$catseq.txttest★less是moreless–S-S比較是否使用參數-S的區(qū)別：[majorbio3@localhostlinux]$less16s.silva.fasta[majorbio3@localhostlinux]$lessS16s.silva.fasta/★查找文件

用法：grep參數-i [majorbio3@localhostlinux]$grep'>'-l-w[majorbio3@localhostlinux]$wc-lseq.txt26seq.txt[majorbio3@localhostlinux]$wc-wseq.txt26seq.txt 265287★重定向通過在命令間command>catfile1file2>command>>catfile2>>|command1| [majorbio3@localhostlinux]$find./-name"*.fasta"| ★command&即 nohupcommand★top★ps mancpmancutls--help>| r:可讀w:可寫x:可執(zhí)行od權限od755od+x

打包：tarcvf

33 ssh cd cd cd cdcd ls- cd mkdirfolder1rm-rfolder1 cdcd cp/home/majorbio3/sequences.txt cpsequence.txtmvsequences1.txtvitest.txt;輸入內容;i寫入 :wq退cat-nmoresequences.txtlesshead-3sequences.txttail-5sequences.txt head-8sequences.txt|tail-5 find~/-namewc-lsequences.txtgrep">"sequences.txtgrep-c">"sequences.txtgrep-v">"sequences.txtcatsequences.txttest.txt>merge.txtcatse