" 设置在状态行显示的信息setfoldenable " 开启折叠"set foldmethod=syntax "设置语法折叠***setfoldcolumn=0" 设置折叠区域的宽度 setlocal foldlevel=1" 设置折叠层数为"set foldclose=all "设置为自动关闭折叠 nnoremap<space>@=((foldclosed(line('.'))<0)?'zc':'zo')<CR>" 用空格键来开关折叠 "re...
--atime-preserve[=METHOD] preserve access times on dumped files, either by restoring the times after reading (METHOD='replace'; default) or by not setting the times in the first place (METHOD='system') --clamp-mtime only set time when the file is more recent than what was given with -...
sed -E 's/regular_expression/replace/g' filename - 【重要】Replace all occurrences of a string [i]n a file, overwriting the file (i.e. in-place): sed -i '' 's/find/replace/g' filename - 【重要】Replace only on lines matching the line pattern: sed '/line_pattern/s/find/replac...
fluttering and dancing in the breeze. Note that we can replace not only a character but also a string: $ sed -i 's/tree/TREE/g' text Replacing a string recursively (for all files including sub-directories): $ find . -type f -name "*.txt" -print0 | xargs -0 sed -i '' 's/a...
server = /usr/sbin/in.telnetd log_on_failure += USERID disable = yes } 将disable项屏蔽或者改为no: disable = no 3) 修改Fedora下另一个telnet配置文件 对于Red-Hat系统,修改到telnet文件就可以了,但是Fedora对权限的管理比Red-Hat严格,还需要修改同一个目录下的krb5-telnet,不然客户端会鉴权不通过而无...
替换每行第一个出现的z为replace sed –n‘1,3p’ comm.1.txt 只打印1-3行内容 5.系统信息操作fdisk、df、du——查看系统磁盘空间信息 fdisk 命令是root用户用来查看系统分区情况和修改分区的命令 df – report file system disk space usage,报告磁盘使用情况 du – estimate file space usage,估计文件空间使...
-R, -r, --recursive copy directories recursively --reflink[=WHEN] control clone/CoW copies. See below. --remove-destination remove each existing destination file before attempting to open it (contrast with --force) --sparse=WHEN control creation of sparse files. See below. ...
Useful options include -i for case-insensitive search, -R to recursively search directories, and –color to highlight matches. 23. What is an array in Linux shell scripting? Give an example. Arrays allow the storage of multiple data elements into a single variable. It stores elements as ...
file in the kernel source tree. mount --make-shared mountpoint mount --make-slave mountpoint mount --make-private mountpoint mount --make-unbindable mountpoint The following commands allows one to recursively change the type of all the mounts under a given mountpoint. ...
# Recursively search and list all files in directory containing 'word' grep -lr 'word' . # List number of files containing word grep -lr 'word' . | wc -l 计算包含单词或模式的总行数。 grep -c 'some_value' filename.csv # Same thing, but in all files in current directory by file ...