Files
Encoding
iconv -f cp1251 -t utf8
file -bi
Determine file type
file file_name
Display file or file system information
stat <file path|filesystem path>
Display ELF-file information
readelf -a <file path|filesystem path>
Show header of file
cat /usr/bin/python3.9 | hexdump -C | head
Compare files
comm
Merge files
paste
Clean file
truncate -s 0 <file_name>
echo '' > <file_name>
> <file_name>
cat /dev/null > <file_name>
true | tee <file_name>
dd if=/dev/null of=<file_name>
shred <file_name>
shred -zu <file_name>
Translate or delete characters
tr
Show inodes
ls -i <file path>
Show file system where file
df file path>
Print the locate of binary
type -a command
whereis command
which command
Show all symbols
cat -A file_name